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Katie Day

Free Technology for Teachers: 10 Resources for Teaching & Learning About WWII - 0 views

www.freetech4teachers.com/...for-teaching-and-learning.html

history technology free WWII teacher_resources war G5_conflict

shared by Katie Day on 25 Jun 10 - No Cached
  • Katie Day on 25 Jun 10
     
    "Next week my US History students will be beginning their studies of World War II. I spent some time this week going through some of the resources that I've used in the past and the resources that I've mentioned in the past on Free Technology for Teachers. "
Lucy C

The Food Chain - 0 views

library.thinkquest.org/...food.htm

5LWh rain forest animals

shared by Lucy C on 16 Sep 09 - Cached
  • Lucy C on 16 Sep 09
     
    The Food Chain RealAudio Click here to be joined by your audio host! What is the difference between the 'Food Chain' and 'Food Web?' A popular misnomer, the 'food chain' is not actually a linear chain but a complex web. Energy is passed from one organism to another in a complex network like a spider's web. The food chain consists of four main parts: * The Sun, which provides the energy for everything on the planet. * Producers: these include all green plants. These are also known as autotrophs, since they make their own food. Producers are able to harness the energy of the sun to make food. Ultimately, every (aerobic) organism is dependent on plants for oxygen (which is the waste product from photosynthesis) and food (which is produced in the form of glucose through photosynthesis). They make up the bulk of the food chain or web. * Consumers: In short, consumers are every organism that eats something else. They include herbivores (animals that eat plants), carnivores (animals that eat other animals), parasites (animals that live off of other organisms by harming it), and scavengers (animals that eat dead animal carcasses). Primary consumers are the herbivores, and are the second largest biomass in an ecosystem. The animals that eat the herbivores (carnivores) make up the third largest biomass, and are also known as secondary consumers. This continues with tertiary consumers, etc. * Decomposers: These are mainly bacteria and fungi that convert dead matter into gases such as carbon and nitrogen to be released back into the air, soil, or water. Fungi, and other organisms that break down dead organic matter are known as saprophytes. Even though most of us hate those mushrooms or molds, they actually play a very important role. Without decomposers, the earth would be covered in trash. Decomposers are necessary since they recycle the nutrients to be used again by producers. This table shows the relational biomass of each of the major g
jack parker

Rainforest Destruction - 0 views

www.savetherainforest.org/savetherainforest_006.htm

rainforest destruction tourism G5_help

shared by jack parker on 16 Sep 09 - Cached
  • The immediate causes of rainforest destruction are clear. The main causes of total clearance are agriculture and in drier areas, fuelwood collection. The main cause of forest degradation is logging. Mining, industrial development and large dams also have a serious impact. Tourism is becoming a larger threat to the forests.
    • Gurupranav G
      Gurupranav G on 25 Sep 09
       
      A little useful for my Q4
    • jack parker
      jack parker on 04 May 10
       
      useful for my exibition
    • Shaian R
      Shaian R on 16 Sep 09
       
      How can we save the rainforest from destrution
  • The creation of national parks has undoubtedly helped to protect rainforests. Yet, as national parks are open to the public, tourism is damaging some of these areas. Often, national parks are advertised to tourists before adequate management plans have been developed and implemented. Inadequate funding is allocated for preservation of forests by government departments. Governments see tourism as an easy way to make money, and therefore tourism is encouraged whilst strict management strategies are given far less government support. Ecotourism, or environmentally friendly tourism, should educate the tourists to be environmentally aware. It should also be of low impact to its environment. Unfortunately, many companies and resorts who advertise themselves as eco-tourist establishments are in fact exploiting the environment for profit. In Cape Tribulation, Australia, for example, the rainforest is being threatened by excessive tourism. Clearing for roads and pollution of waterways are two of the major problems in this area. The Wet Tropics Management Authority which oversees the surrounding World Heritage Area is promoting tourism to the area before any management plans have been formulated, before any effective waste management strategy has been devised and before any ecofriendly power alternatives have been fully explored.
    • Gurupranav G
      Gurupranav G on 25 Sep 09
       
      Possibly useful for my Q4
  • ...2 more annotations...
  • The immediate causes of rainforest destruction are clear. The main causes of total clearance are agriculture and in drier areas, fuelwood collection. The main cause of forest degradation is logging. Mining, industrial development and large dams also have a serious impact. Tourism is becoming a larger threat to the forests.
  • 5 Large Dams In India and South America, hundreds of thousands of hectares of forests have been destroyed by the building of hydro-electric dams. It was the dominant view that new dams had to be built or otherwise these countries would suffer an energy crisis. However, a recent study by the World Bank in Brazil has shown that 'sufficient generating capacity already exists to satisfy the expected rise in demand for power over the medium term, provided that the energy is used more efficiently' (WRM). The construction of dams not only destroys the forest but often uproots tens of thousands of people, destroying both their land and their culture. The rates of waterborne diseases increase rapidly. Downstream ecosystems are damaged by dams which trap silt, holding back valuable nutrients. Reduced silt leads to coastal erosion. The sheer weight of water in dams has in Chile, Zimbabwe, and Greece led to earthquakes. The irrigation and industrial projects powered by dams lead to further environmental damage. Irrigation leads to salination of soils and industry leads to pollution. Solutions: Aid organisations like the World Bank have traditionally favoured spectacular large-scale irrigation and hydro-electric projects. In all cases when such projects are proposed, there has been massive opposition from local people. Reform of the World Bank and other such organisations, and support for campaigns against large-scale dams is needed.
Shardul B

Medicinal Plants of the Amazon Rain forest - 0 views

library.thinkquest.org/...amaz.htm

5lwh

shared by Shardul B on 16 Sep 09 - Cached
    • Kengo M
      Kengo M on 16 Sep 09
       
      For Q1
  • The cocoa tree produces more than 150 chemicals in its leaves, seeds, fruit, and bark.
    • Shardul B
      Shardul B on 05 Oct 09
       
      it is important we don't use it in acsees
  • Annatto/Lipstick tree has a wide variety of uses. For centuries, rainforest peoples have used the plant for things from insect repellant to lowering blood
  • Kengo M on 16 Sep 09
     
    These are some plant that can be used as medicines.
  • Shardul B on 05 Oct 09
     
    the plant which smells like anticipant
Kengo M

World Builders: A Food Pyramid in the Hot Desert Biome - 0 views

www.world-builders.org/...hot-despy.html

5lwh deserts

shared by Kengo M on 14 Sep 09 - Cached
  • A Food Pyramid in the Hot Desert Biome      Here we see a food pyramid that shows how the Kilocalories pass up the food chain.      The first trophic level is occupied by the primary producers, which are the plants.  Plants make food through photosynthesis. The limiting factor for these plants is the shortage of water, so they produce fewer than 200 Kilocalories of food for the animals for each square meter each year.     The primary consumers, who eat the plants, occupy the second trophic level. These animals have very little to eat, and are small. Many are insects, or reptiles, who are cold blooded and who use less energy to maintain their bodies than mammals and birds do. As food for predators, they provide about 20 Kilocalories per square meter per year for predators.      The predators are the secondary consumers. They occupy the third trophic level. Again we see cold-blooded animals, such as snakes, insect-eating lizards, and tarantualas. Only about 2 Kilocalories per square meter per year are stored in their bodies. In the harsher desert environments, they are the top predators.     In areas where deserts get more rain, more plant material is produced and a few tertiary consumers may be able to survive. They form a fourth trophic level.      This diagram shows the energy available at each trophic level in the hot desert biome. These numbers tell about the numbers of Kilocalories per square meter per year.  Cold Desert Energy Pyramid  Introduction to Desert Biomes  Return to Introduction to Biomes © Elizabeth Anne Viau, 1999. This material may be used freely for instructional purposes but not sold for a price beyond the cost of reproduction. Please inform the author if you use it at eviau@earthlink.net
    • Kengo M
      Kengo M on 14 Sep 09
       
      Can use this for powerpoint
  • Kengo M on 14 Sep 09
     
    the food pyramid in hot desert
Hannah J

"SOS Amazon": every second we lose 1.5 acres of rainforests once covering 14% of earth ... - 0 views

www.worldculturepictorial.com/...ring-14-earth-land-surface-now

shared by Hannah J on 23 Sep 09 - Cached
    • Zoe P
      Zoe P on 23 Sep 09
       
      This would be great for a paragragh on "what will we lose if we lose the rainforest?"
    • Zoe P
      Zoe P on 23 Sep 09
       
      i should say that rainforest gives us products
    • Zoe P
      Zoe P on 23 Sep 09
       
      this is an interesting fact for my info.
  • ...9 more annotations...
    • Zoe P
      Zoe P on 23 Sep 09
       
      i should make a paragragh on this subject
    • Zoe P
      Zoe P on 23 Sep 09
       
      this is good for another subject
  • * Experts estimates that we are losing 137 plant, animal and insect species every single day due to rainforest deforestation. That equates to 50,000 species a year. As the rainforest species disappear, so do many possible cures for life-threatening diseases. Currently, 121 prescription drugs sold worldwide come from plant-derived sources. While 25% of Western pharmaceuticals are derived from rainforest ingredients, less that 1% of these tropical trees and plants have been tested by scientists.
  • There were an estimated ten million Indians living in the Amazonian Rainforest five centuries ago. Today there are less than 200,000
    • Zoe P
      Zoe P on 23 Sep 09
       
      this is an interesting fact for my info.
  • * The Amazon Rainforest has been described as the "Lungs of our Planet" because it provides the essential environmental world service of continuously recycling carbon dioxide into oxygen. More than 20 percent of the world oxygen is produced in the Amazon Rainforest.
  • * At least 80% of the developed world's diet originated in the tropical rainforest. Its bountiful gifts to the world include fruits like avocados, coconuts, figs, oranges, lemons, grapefruit, bananas, guavas, pineapples, mangos and tomatoes; vegetables including corn, potatoes, rice, winter squash and yams; spices like black pepper, cayenne, chocolate, cinnamon, cloves, ginger, sugar cane, tumeric, coffee and vanilla and nuts including Brazil nuts and cashews. * At least 3000 fruits are found in the rainforests; of these only 200 are now in use in the Western World. The Indians of the rainforest use over 2,000
  • * Currently, 121 prescription drugs currently sold worldwide come from plant-derived sources. And while 25% of Western pharmaceuticals are derived from rainforest ingredients, less than 1% of these tropical trees and plants have been tested by scientists.
  • * In 1983, there were no U.S. pharmaceutical manufacturers involved in research programs to discover new drugs or cures from plants. Today, over 100 pharmaceutical companies and several branches of the US government, including giants like Merck and The National Cancer Institute, are engaged in plant research projects for possible drugs and cures for viruses, infections, cancer, and even AIDS
    • Hannah J
      Hannah J on 23 Sep 09
       
      fantastic information
  • Zoe P on 23 Sep 09
     
    This is a great website because it covers a lot of info. on importance of the rainforest ~ Zoe
Kengo M

Effect of cutting the rainforest on Earth - 0 views

www.newton.dep.anl.gov/...ENV040.HTM

5lwh

shared by Kengo M on 09 Sep 09 - Cached
  • Author: barry a bieda How does the cutting of the rainforest affect Earth? Response #: 1 of 1 Author: mortis Well, we have been cutting rainforests for thousands of years with no permanent damage to the earth at all. Forest people who cut small patches for growing gardens do not hurt the forest because the small plots recover their original growth very quickly: think of the pictures of Mayan ruins in Mexico that are completely covered by forest - these used to be open, active cities! So on a small scale, slash and burn agriculture has no effect whatever on the rain-forest- it is a sustainable use of the forest. However, on a large commercial scale, where bulldozers and flame-throwers are use to convert huge tracts of land into pasture for cattle, the ability of the forest to recover is seriously impaired, destroying the forest for a very long time, if not forever. This kind of unsustainable destructive use affects the earth by taking a large portion of the biosphere out of production - which interrupts the carbon and oxygen cycles, affects local water and soil quality, and causes a decline in the global gene pool by making many species extinct.
    • Kengo M
      Kengo M on 09 Sep 09
       
      This what some people say but some don,t
  • Kengo M on 09 Sep 09
     
    So this is the affect. Of cutting down the prise
Yen Yu C

Rainforest Concern - Why are they being destroyed? - 0 views

www.rainforestconcern.org/...why_being_destroyed

ChangQ3

shared by Yen Yu C on 25 Sep 09 - No Cached
  • Cattle ranching Many rainforests in Central and South America have been burnt down to make way for cattle farming, which supplies cheap beef to North America, China and Russia. It is estimated that for each pound of beef produced, 200 square feet of rainforest is destroyed. In the past 20 years Costa Rica has lost the majority of its forests to beef cattle ranching. This is known as slash and burn farming and is believed to account for 50% of rainforest destruction. However, the land cannot be used for long: the soil is of poor quality and, without the forest, quickly becomes very dry. The grass often dies after only a few years and the land becomes a crusty desert. The cattle farmers then have to move on and destroy more rainforest to create new cattle pastures. Indigenous Indians also use "slash and burn" farming techniques, but on a small scale. For centuries they have used a sustainable system where, when they finish using one small patch of land, they move away to a different area and allow the forest to regenerate. Since the area cleared is small, the soil does not dry out and therefore the forest clearance is localized and temporary rather than extensive and permanent.
    • Yen Yu C
      Yen Yu C on 25 Sep 09
       
      good for my third questison.good for people who are searching for why are rainforest being destroyed
Katie Day

Simple Machines: MIKIDS for YOUR KIDS! - 0 views

www.mikids.com/Smachines.htm

G5_machines simple_machines

shared by Katie Day on 05 Dec 09 - Cached
  • Katie Day on 05 Dec 09
     
    "Simple machines make work easier for us by allowing us to push or pull over increased distances. There are SIX simple machines: "
Katie Day

Simple Machines - 0 views

atlantis.coe.uh.edu/...finalhome.htm

G5_machines physics simple_machines

shared by Katie Day on 05 Dec 09 - Cached
  • Katie Day on 05 Dec 09
     
    "Purpose: The purpose of this web site is to teach elementary students about the six simple machines. Each of the machine pages below contain information and activities for the students to use. Teachers may use the links at the bottom for ideas, resources, and lesson plans. Enjoy! About this site... What is a simple machine?"
Kengo M

Amazon Rainforest Products - 0 views

www.amazon-rainforest.org/amazon-products.html

rainforest 5LWH fruit

shared by Kengo M on 05 Oct 09 - Cached
  • •  Natural rubber (or latex): used to make many rubber products from electronic components to condoms. Rubber was responsible for the first economic cycle of development in the Amazon rainforest. Natural rubber is extracted from tall trees called "Seringueiras" and still today is a major activity for many families. •  Brazil-nut: the nut is actually a seed. The Brazil-nut is one of the biggest nuts of the world and is exported all over the planet. Local populations use this nutritious seed to make all sort of food and condiments; •  Guarana: is a small berry-like fruit that is very sweet and juicy. You can taste it in natural refreshments anywhere in Brazil , they are also used to make sodas. Brazilians are very fond of their guarana sodas and it's something they usually miss when living outside Brazil . Because of that you can find it in any city that has a Brazilian community like Miami , New York or Paris. People use Guarana to stay awake and active in parties and raves, since guarana has an effect similar to caffeine without the problems related to it. Nowadays some companies sell Guarana as a weigh loss substance, although its value for weight loss has not been proven.
    • Kengo M
      Kengo M on 05 Oct 09
       
      for Q1
  • Kengo M on 05 Oct 09
     
    This is about rainforest products mainly fruits.
Katie Day

Crayon Physics Deluxe - 0 views

jayisgames.com/...crayon_physics_deluxe.php

G5_machines physics games motion creativity

shared by Katie Day on 28 Nov 09 - Cached
  • Each stage in Crayon Physics Deluxe features at least two objects: a ball and one or more stars. Your goal is to move the ball to collect the stars and finish the stage. It's that simple. Using the left mouse button you can draw using crayon-style lines. Click, drag, and when you release, the shape you made comes alive and is given mass. You can draw wild shapes, plain shapes, lines, hearts, stars, bacon, monkeys, and everything in-between, it all interacts using realistic physics. You can even build rudimentary machines that are powered by gravity, attach shapes using hinges, and give the ball a little boost by clicking on it. Don't let typical gaming conventions limit yourself, as creativity is the key to enjoying Crayon Physics Deluxe.
  • Katie Day on 28 Nov 09
     
    Interactive, drawing game -- create objects that will move a ball across a screen... Read more: Walkthrough Guide, Review, Discussion, Hints and Tips at Jay is Games
Marius S

Tropical Rainforest- Trivia & Facts on Saving - 0 views

www.globio.org/...article.aspx

5LWh Rainforest Trivia

shared by Marius S on 07 Sep 09 - Cached
Jean Luc L liked it
  • Today, we know that the soil of the tropical rainforests is thin and very low in nutrients. Decomposers like leaf-cutter ants, termites, bacteria, and fungi quickly turn falling leaves and dead organisms into nutrients. Plants take up these nutrients the moment they are available, so they don’t get a chance to enrich the soil. Keeping Tropical Rainforests Healthy Conservation of tropical rainforests should be easy. They have survived for millions of years. The trick to keeping them healthy is to not take too much too fast. This gives the rainforests time to recover from human activities like logging. But many countries that have tropical rainforests are poor. They can make money by cutting down and developing the rainforests. But uncontrolled development results in deforestation
    • Marius S
      Marius S on 07 Sep 09
       
      About the rainforest cycle. (First Paragraph)
  • Rainforests have 170,000 of the world's 400,000 known plant species. The United States has 81 species of frogs, while Madagascar (which is smaller than Texas) may have 300 species. Europe has 321 butterfly species, while Manu National Park in the tropical rainforest of Peru has 1,300 species! The world’s only species of flying snake and lizard live in the Borneo rainforest. The largest catfish in the world lives in a tropical rainforest river in Vietnam. It weighs over 300 kg. About one-quarter of all the medicines we use come from rainforest plants. Curare comes from a tropical vine. It is used as an anesthetic and to relax muscles during heart surgery. Quinine, from the cinchona tree, is used to treat malaria. A person with leukemia has a 99% chance that the disease will go into remission because of the rosy periwinkle. More than 1,400 varieties of tropical plants might be potential cures for cancer.
  • Some traditional rainforest cultures still live in the forests. They travel as a group to collect and hunt food. As rainforests are destroyed, so are the homes of these interesting and amazing people.
    • Marius S
      Marius S on 09 Sep 09
       
      Interesting facts on rainforest people.
  • ...7 more annotations...
  • More than half the species on Earth are found in tropical rainforests. Many species living in these forests have never before been seen or studied by scientists. Most of these unknown species are insects, like moths.
  • Tropical rainforests are wet nearly all the time. They get lots of rain all year long, but they also help make rain through evaporation. Tropical rainforests help regulate weather all over the world.
  • Tropical rainforests are found in a narrow region around the equator that is known as the tropics. The climate is rainy and the temperatures are warm and nearly the same every day. The sun and the rain combine to create an environment that is very humid. This climate is ideal for the growth of many kinds of green plants.
  • Many different frog species live in the canopy of the rainforest. Most spend their entire lives in the canopy. They lay their eggs in little pools of water held in leaves instead of in ponds or streams.
  • Tropical rainforest plants have many adaptations for living in the forest. Some collect all their water from the air. For this reason, many of them have very large leaves. Others have flexible stems that allow them to bend and follow the sunlight so they can carry out photosynthesis all day.
  • which is part of a conservation effort known as ecotourism. People also are trying to help wildlife survive by creating protected areas and rehabilitation centers.
  • Decomposers like leaf-cutter ants, termites, bacteria, and fungi live on the forest floor. These decomposers quickly turn fallen leaves and dead organisms into nutrients. This creates food for trees and other plants and animals.
    • Marius S
      Marius S on 22 Sep 09
       
      Decomposers
Satvik S

Rhinoceros - 0 views

www.globio.org/...article.aspx

this is how rhinos are seen on tv

shared by Satvik S on 14 Sep 09 - Cached
  • The smallest rhinos are found in the tropical rainforests on the islands of Sumatra, Java and Borneo.  These two species are very rare and extremely difficult to find.  Only a few photographs of them in the wild have been taken.
    • Thomas C
      Thomas C on 14 Sep 09
       
      Those are the rhinos i'm intrested in.
  • Sumatran and Javan rhinos—use their speed to disappear to safety in the thick grass or jungle.
    • Thomas C
      Thomas C on 14 Sep 09
       
      I didn't know rhinos were fast.
  • For the rarest rhinos, the Sumatran and Javan rhinos, their survival may depend on how well we learn to breed them in captivity while we work to protect their wild tropical rainforest home from destruction.
  • ...2 more annotations...
  • o study the behavior of animals so large and potentially dangerous can be difficult. Too close and you could get killed. Too far away and you can’t learn anything. So what to do?  Technology can help. First, the rhino can be carefully shot with a small dart containing a sleeping drug.  A few minutes later, after the rhino falls asleep, scientists can move in and attach a small radio transmitter. The transmitter will send back information about the rhino’s movements after it wakes up. Using computers and GPS signals, scientists can track a rhino in thick bush, over hilly country and even at night.  Over time, the rhino’s travels will build a map telling scientists where it wanders in the habitat—its territory.
    • Satvik S
      Satvik S on 16 Sep 09
       
      this is good stuff I never new how animals are seen on tv
  • Too close and you could get killed. Too far away and you can’t learn anything. So what to do?  Technology can help. First, the rhino can be carefully shot with a small dart containing a sleeping drug.  A few minutes later, after the rhino falls asleep, scientists can move in and attach a small radio transmitter. The transmitter will send back information about the rhino’s movements after it wakes up. Using computers and GPS signals, scientists can track a rhino in thick bush, over hilly country and even at night.  Over time, the rhino’s travels will build a map telling scientists where it wanders in the habitat—its territory.
  • Satvik S on 16 Sep 09
     
    this is nice info
Kengo M

FastFacts, Respecting Our Wood Resource - 0 views

www.idahoforests.org/nowaste1.htm

5lwh

shared by Kengo M on 16 Sep 09 - Cached
  • Respecting and ExtendingOur Wood Resource Today's near-zero-waste sawmills use computers and sophisticated equipment such as laser-guided saws to get the most lumber out of each log. In fact, today's mill recover about twice as much lumber from each log as did mills at the turn of the century. The wood fiber that is not usable as lumber is recovered and processed into other valuable products. These "by-products" of lumber manufacturing can become particleboard , oriented strandboard paneling, or other engineered-wood products. Byproducts are also used to fuel cogeneration plants which produce electricity for the sawmills. And wood fiber also is used to make such products as plastic filler, shoe polish, toothpaste, varnish, foam rubber, and much more!
    • Kengo M
      Kengo M on 16 Sep 09
       
      For Q1
  • Kengo M on 16 Sep 09
     
    We have to respect the things in the rain forest and things that are made because they are precious
Kengo M

Plants in Desert - 0 views

library.thinkquest.org/...plant.htm

5lwh

shared by Kengo M on 10 Sep 09 - Cached
  • Desert plants have developed various ways to get as much water as possible and to reduce water loss.Some plants have long roots to get water deep in the soil, or branched roots to get water over a wide area. With thick waxy layer on the stems and leaves, water can be retained and the tissues are protected from strong sunshine. Some plants have pin-like leaves to reduce water loss.        Barrel Cactus             Many desert plants are succulents and they store water in their swollen stems or leaves.  
    • Kengo M
      Kengo M on 14 Sep 09
       
      plants in the deserts How they survive. Can use for power point.
  • Kengo M on 14 Sep 09
     
    Plants in the deserts use in power point
Billie C

jagua fruit - 0 views

www.jagua-tattoo.com

culture art people

shared by Billie C on 10 Sep 09 - Cached
  • If It's Been Around So Long, Why Have I never Heard Of It Before Now? I guess there are still a lot of secrets in the South American Rainforests. The recent explosion in the popularity of Jagua body art just goes to show that there are many possibilities still out there that the outside world has not even noticed. More importantly it goes to show that local traditional knowledge is incredibly important to the whole world, not just the local people of the Rainforest. So every effort should be made to help preserve it.
  • If It's Been Around So Long, Why Have I never Heard Of It Before Now? I guess there are still a lot of secrets in the South American Rainforests. The recent explosion in the popularity of Jagua body art just goes to show that there are many possibilities still out there that the outside world has not even noticed. More importantly it goes to show that local traditional knowledge is incredibly important to the whole world, not just the local people of the Rainforest. So every effort should be made to help preserve it.
  • Where Can I Get Hold Of Some Jagua Then? Well you could take a trip out to the rainforests and search it out yourself. But if your going to paint from an unripe fruit, you only have a short time to do it, before the stain stops working. But recently Jagua Body Art products like Jagua Paint and Jagua Gel have been made readily available to you so you can create your own jagua tattoos whenever you like.
  • ...1 more annotation...
  • Jagua is a tropical fruit that is used for traditional body art. The unripe jagua fruit juice is painted on the skin making elaborate and striking jagua body art. It's a really great type of body paint because it can last for a few weeks, just like henna body art. So technically jagua is actually a stain and not a paint.
  • Billie C on 10 Sep 09
     
    they use this to do art in the tropical rain forest.
  • ...1 more comment...
  • Ameya R on 10 Sep 09
     
    really cool facts
  • Ameya R on 10 Sep 09
     
    interesting
  • Lucy C on 14 Sep 09
     
    What is a jagua furit?
Jean Luc L

Simple machine - Wikipedia, the free encyclopedia - 0 views

en.wikipedia.org/...Simple_machine

simple machines wikipedia 5RTo

shared by Jean Luc L on 24 Feb 10 - Cached
  • A simple machine is a mechanical device that changes the direction or magnitude of a force.[2] In general, they can be defined as the simplest mechanisms that use mechanical advantage (also called leverage) to multiply force.[3] A simple machine uses a single applied force to do work against a single load force. Ignoring friction losses, the work done on the load is equal to the work done by the applied force. They can be used to increase the amount of the output force, at the cost of a proportional decrease in the distance moved by the force. The ratio of the output to the input force is called the mechanical advantage. Usually the term refers to the six classical simple machines which were defined by Renaissance scientists:[4]
  • Jean Luc L on 24 Feb 10
     
    A good description of simple machines
Katie Day

Picturing the Story: Narrative Arts and the Stories They Tell - 0 views

mag.rochester.edu/PicturingTheStory

G5_voices art museums stories narrative images lesson teacher_resources

shared by Katie Day on 06 Jan 10 - Cached
  • Picturing the Story uses works of art as a springboard for an interdisciplinary approach to culture, environment, language, and learning. It was developed for classroom use, using selected narrative works of world art from the permanent collection of the Memorial Art Gallery.
Antara V

Kite - Wikipedia, the free encyclopedia - 0 views

en.wikipedia.org/Kite

afghanistan

shared by Antara V on 05 Nov 09 - Cached
  • A kite is a flying tethered aircraft that depends upon the tension of a tethering system.[1] The necessary lift that makes the kite wing fly is generated when air (or in some cases water)[2][3][4] flows over and under the kite's wing, producing low pressure above the wing and high pressure below it. This deflection also generates horizontal drag along the direction of the wind. The resultant force vector from the lift and drag force components is opposed by the tension of the one or more lines or tethers.[5] The anchor point of the kite line may be static or moving (e.g., the towing of a kite by a running person, boat,[6] or vehicle).[7][8] Kites are usually heavier-than-air, but there is a second category of lighter-than-air kite called a helikite which will fly with or without wind. Helikites work on a different stability principle to normal kites as helikites are helium-stabilised as well as wind stabilised. They are a stable combination of a helium balloon and kite-sail to create a single aerodynamically sound kite. When flown in wind a helikite will lift far more than its helium alone, and it will fly very well if weighted down to be considerably heavier than air. Kites may be flown for recreation, art or other practical uses. Sport kites can be flown in aerial ballet, sometimes as part of a competition. Power kites are multi-line steerable kites designed to generate large forces which can be used to power activities such as kite surfing, kite landboarding,kite buggying and a new trend snow kiting. Kites towed behind boats can lift passengers[9] which has had useful military applications in the past.[10]
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