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touche5839

How Do Birds Fly? | ASU - Ask A Biologist - 0 views

  • Birds use their strong breast muscles to flap their wings and give them the thrust to move throught the air and fly. In a way, birds use a swimming motion to get the lift needed to fly.
Regina Cantu

Why are Oceans Salty? - EnchantedLearning.com - 0 views

  • As water flows in rivers, it picks up small amounts of mineral salts from the rocks and soil of the river beds.
  • but the salt remains dissolved in the ocean - it does not evaporate. So the remaining water gets saltier and saltier as time passes.
  • This very-slightly salty water flows into the oceans and seas. The water in the oceans only leaves by evaporating (and the freezing of polar ice),
touche5839

How Birds Fly: An In-Depth Journey North Lesson - 0 views

  • A bird's center of gravity is the balance point between its two wings and between its head and tail. I
  • To fly well, birds must have most of their weight in their center of gravity, and very little weight in front of or behind it.
  • un into the wind, and the rush of air beneath their wings lifts them up. Others, like puffins and Peregrine Falcons, jump off cliffs and other high perches. Chimney Swifts simply let go of their chimney or other vertical perch, and fall into the air. Hummingbird wingbeats are so powerful that they can go straight up from a perched position without jumping. Songbirds, cranes, and many other species leap up on strong legs while flapping their wings, and there they go.
  • ...1 more annotation...
  • The reason birds can is because of the special shape of their wings. The bones of bird wing are in front, covered with a smooth layer of feathers that taper toward the back.
garzat5774

Nature vs Nurture: How do baby birds learn how to fly? | Bio-Aerial Locomotion - 1 views

    • garzat5774
       
      birds learn to fly with practice but it is a natural instinct like how hummans learn to walk and talk, bird parent help them by pushing them out of the nest and for them to try to fly.
Regina Cantu

Why is the ocean salty? - 2 views

  • The rain that falls on the land contains some dissolved carbon dioxide from the surrounding air. This causes the rainwater to be slightly acidic due to carbonic acid (which forms from carbon dioxide and water).
  • As the rain erodes the rock, acids in the rainwater break down the rock.
lopez5891

Samuel de Champlain Biography for Kids « - 0 views

  • Champlain returned to Quebec in 1604 on Pierre de Mont’s expedition. For the next three years, Champlain explored much of the coast of Nova Scotia, the Bay of Fundy and the coasts of Maine, Rhode Island and Massachusetts.
trevino5824

Parenting and Child Health - Health Topics - Nightmares - 0 views

    • trevino5824
       
      When little kids wake up the feel upset and scared because they dream bad things that they don't like
  • Children who are having a lot of bad dreams are often very worried about going to bed, and may refuse to stay in bed by themselves.
    • trevino5824
       
      People who dream bad things don't want to go to bed because they would dream bad things.
garza6544

Do Cats Have a Sense of Taste? - 0 views

  • The sense of smell is extremely important in attracting cats (and us) to food and also in aiding tasting food. Cat’s noses are many times more sensitive than our own, so it is believed that their heightened sense of smell assists a great deal in their tasting of different flavors.
    • garza6544
       
      the sence of smell is very important for cats and us and also tastig food. heir nose is like 100 times more sensitive than ours, that helps for taste too.
Eugenio Ferrara

Journey North Bald Eagles - 0 views

    • Eugenio Ferrara
       
      Eagles have very big wings they can carry their big body and some fish.
  • It takes a lot of energy to flap such large wings, just like it's a lot of work running with a large kite until it takes off!
    • Eugenio Ferrara
       
      all eagles have trouble flapping that bi giant wings they need a lot of sterngth and energie 
marino5856

What does AM and PM stand for? - 0 views

  • So you ask yourself, what does AM and PM stand for? What are the acronyms for AM and PM? What do the initials a.m. and p.m. mean? Both AM and PM come from Latin. AM stands for Ante Meridiem and PM stands for Post Meridiem. Furthermore, Ante Meridiem means before midday (before Noon), and Post Meridiem means after midday (after noon).
    • marino5856
       
      PM and AM  is a latin name. PM stand for post meridiem (after noon) and AM stands for ante meridiem (Before noon) 
    • marino5856
       
      But it is easier to remember by AM stands for after midnight and PM pre-midnight or prior to midnight
  • Although not the correct acronym, for easy remembering, you could say that AM stands for After Midnight and PM stands for Pre-Midnight or prior to midnight.
marino5856

Why Do We Change the Clocks Twice a Year? | Wonderopolis - 0 views

  • it’s Daylight Saving Time! Daylight Saving Time (or “Summer Time,” as it’s known in many parts of the world) was created to make better use of the long sunlight hours of the summer. By “springing” clocks forward an hour in March, we move an hour of daylight from the morning to the evening. On the first Sunday in November, we “fall back” and rewind our clocks to return to Standard Time.
    • marino5856
       
      the hour changes to save daylight and light because like we have the sun light we don't need to waste la light. It changes in summer to have more light when it is getting night and in october again so that it is more dark because in winter we don't need so much the light.
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