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Charlie R

Great Barrier Reef - Simple English Wikipedia, the free encyclopedia - 0 views

  • It is difficult to work out the age of the Great Barrier Reef. This is because of the way a reef can grow and shrink as the sea level changes. A coral reef can grow in diameter, that is how wide they are, from 1 to 2 cm per year. They can also grow upwards from 1 to 15 cm per year. Coral can not grow if the water is too deep (150 metres or more) because it needs light from the sun. They cannot grow out of the water (above sea level).[5]
  • n not grow if the water is too deep (150 metres or more) because it needs light from the sun. They cannot grow out of the water (above sea leve
  • The Great Barrier Reef Marine Park Authority and Australian Institute of Marine Science say the current, living reef started growing about 20,000 years ago. It started to grow on an older reef.[4] This makes the beginning of the reef during the Last Glacial Maximum. At that time,
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  • Six species of sea turtles come to the reef to breed. These are the green sea turtle, leatherback sea turtle, hawksbill turtle, loggerhead sea turtle, flatback turtle, and the olive ridley. There are two different groups of green sea turtles on the Great Barrier Reef. One group lives in the northern part of the reef and the other in the south.[15] Fifteen species of seagrass attract the dugongs and turtles.[13] They also provide a food and shelter for fish.[16] The most common kinds of seagrasses are Halophila and Halodule.[17]
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    this is a good website with tons of info!
Charlie R

Coral reef - Simple English Wikipedia, the free encyclopedia - 0 views

  • Most present-day coral reefs were formed after the last ice age when melting ice caused the sea level to rise and flood the continental shelves. This means they are less than 10,000 years old. As coral reef communities were established on the shelves, they built reefs that grew upwards, keeping pace with the rise in sea level. Reefs that did not keep pace became drowned reefs, covered by so much water that there was insufficient light for further survival.[2] Coral reefs are also found in the deep sea away from the continental shelves, around oceanic islands and as atolls. The vast majority of these ocean coral islands are volcanic in origin. The few exceptions have tectonic origins where plate movements have lifted the deep ocean floor on the surface.[3] [change]
  • Coral reefs are fragile ecosystems. Because corals need warm, sunlit water to live, they often grow close to the top of the water. Sadly, being so close to land makes them often be damaged by poisons and dirt that can come from boats and the land nearby. Dirt makes the water more cloudy, which makes the sunlight less. Poisons can bleach and kill corals. Also, they are hard for ships to see, but easy to hit, which makes ships often run into the coral, damaging both the boats and coral. Because of this, many countries are trying to lessen the kinds of building that usually happen near beaches that have coral reefs nearby, and be more careful about the boats that go around reefs.[4]
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    great site with tons of info!
Saul M

Life Cycle - 0 views

  • Mating season for wild snow leopards is between January and mid-March. During this time, a male and a female will travel together for a few days and copulate. The cats will then part ways and become solitary once again, with the female taking full responsibility of raising any offspring.
  • The female is typically pregnant for 93-110 days before her litter is born in June or July.
  • In captivity, snow leopards have been known to live for as long as 22 years.
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    Lots of info on mating
Andreas M

Black hole - Simple English Wikipedia, the free encyclopedia - 0 views

  • According to the general theory of relativity, a black hole is a region of space from which nothing, including light, can escape
  • It is called "black" because it absorbs all the light that hits it, reflecting nothing, just like a perfect black body
  • Despite its undetectable interior, a black hole
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  • ternatively, when gas falls into a stellar black hole from a companion star or nebula, the gas spirals inward, heating to very high temperatures and emitting large amounts of radiation that can be detected from earthbound and Earth-orbiting telescopes
  • can be observed through its interaction with matter. A black hole can be inferred by tracking the movement of a group of stars that orbit a region in space. Al
    • Andreas M
       
      read the high lighted stuff first
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    this sight has lots of info and is a good reasorce
Andreas M

How to Escape from a Black Hole: Scientists Study Energy Jets | TIME.com - 0 views

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    this has to be read soon because we need to finish this and this has sooooooo much info about black holes
Piper M

What is all the Mystery behind Black Holes? - 0 views

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    there is lots of information.
Nicholas M

BBC Nature - Snow leopard videos, news and facts - 0 views

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    AWESOME!!!!!!!!!!!!
Nicholas M

Snow Leopards, Snow Leopard Pictures, Snow Leopard Facts - National Geographic - 0 views

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    guys check out this sick picture
Andreas M

Can we create black holes here on Earth? - 0 views

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    this has every thing about but it dosen't say that in the title
Piper M

Q: Is it possible to destroy a black hole? | Ask a Mathematician / Ask a Physicist - 0 views

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    this site tells you how to destroy a black hole and how to make one bigger
Andreas M

Black Holes | Picture | Stephen Hawking | Facts | Space | Astromomy | Physics | Science - 0 views

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    this needs to read will lots of info about how a black hole is made and soooooooooo much more.
Piper M

Black holes may be 'missing dark matter' › News in Science (ABC Science) - 0 views

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    this site has loads of info and some pics
Piper M

Black Hole Pictures : Discovery Channel - 0 views

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    this site has tons of pics and info.
Saul M

Facts about the Snow Leopard - 0 views

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    very presise facts
Amelia P

NG KIDS - Creature feature - cool chameleons! - 0 views

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    some info + video
Ruby N

BBC News - China ship 'seriously damaged' Great Barrier Reef - 0 views

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    tells how ships damage the great barrier reef
Nicholas M

Snow Leopard - Simple English Wikipedia, the free encyclopedia - 0 views

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    The leopard is related to the linx (or more commonly known as the mountain lion) panther, cheetah and the puma.
Liam C

Storms, Starfish and Warmer Waters Wiped out Half of Great Barrier Reef Coral | PBS New... - 0 views

  • Researchers at the Australian Institute of Marine Science say the reef has lost half of its coral cover over the past 27 years. There are multiple causes, including a destructive kind of starfish, shown here.
  • The starfish is about 42 percent. Typhoons, big strong storms another 48 percent, and then coral bleaching is the remaining 10 percent which is caused whenever the water gets too hot.
  • GWEN IFILL: So when you say it's human-caused, do you mean what we do with our waters, what we do with our fishing, what we do with our runoff from agricultural causes?
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    Storms, Starfish and Warmer Waters Wiped out Half of Great Barrier Reef Coral.
Nicholas M

Snow leopard photo - Panthera uncia - G112389 - ARKive - 0 views

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    leopards are able to jump as far as 50 feet (15 metres).
Amelia P

Chameleon Facts For Kids | Chameleon Habitat & Diet - 0 views

  • The length of the chameleon measures at 15 mm (0.6 inches) in males however certain males are 68.5 cm (30 inches) long which makes them the smallest reptiles on the planet earth.
  • The average lifespan of these reptiles is about 3 – 5 years.
  • The chameleon’s tongue is almost 2 times the length of its body (not including tail).
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  • These reptiles are predominantly found in the sub-Sahara Africa as well as on the Madagascar, with certain species reside in the southern Europe, northern Europe, southern India, Sri Lanka, and Middle East. Some population also lives in the islands of western Indian Ocean. In some parts chameleons have also been introduced especially Jackson’s and veiled chameleons; these types are introduced in Hawaii from Florida and California. They are known to survive in all types of tropical and mountain rainforests and for a while deserts and steppes. On the negative side, the chameleon’s population is facing sudden decline due to the excessive pollution and deforestation.
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    has lots of info about chameleons l
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