Tuesday, November 15, 2011
Monday, November 14, 2011
Earth's Land
- Land can be smooth, rocky, or flat
- Land can be high or low
- Earth's land has many shapes, called landforms
- Mountains-pointed tops, rocky, steep sides
- Valley-low land between mountains or hills
- Plain-flat and wide land
- Hills-like small, round mountains
- A globe is like a ball that shows earth's continents (land) and oceans
- A map is like a globe but it is flat
- On a map and globe, low land is shown with green, high land with brown, and water with blue
- An island is small land with water on all sides
- The earth has three parts, or layers (Crust, Mantle, Core)
- Crust-where plants and animals live, thin layer
- Mantle-very hot "middle" layer
- Core-very hot, part solid like rock, part liquid like water
Wednesday, November 9, 2011
Wednesday, November 2, 2011
Oceans and Ponds
- ocean is a large body of salt water
- beds of kelp (seaweed) are like forests in the ocean (provide food and shelter for animals)
- body shapes of animals help them swim (fins, flippers, tails)
- ocean animals stay safe (sea turtles have shells, some animals have spines)
- whales, sharks and dolphins stay in deep water
- pond- small body of fresh water that does not flow
- fresh water has little or no salt
- frogs, fish, and turtles eat insects that live in ponds
- snakes live in grass near ponds and eat frogs
- pond plants grow up through the water to get sunlight
- some insects breathe through tubes to the water's surface
- salamanders breathe through skin
- fish breathe through gills
A Harbor Pup Seal Grows Up
- Harbor seal families lie in the warm sun
- Sidney is a seal pup
- her mother is hungry, so she dives in the water to go fishing
- the mother hunts fish for 4 days
- people come to rescue the pup
- Peter is a scientist who cares for rescued seal pups
- the scientists feed milk to the hungry pup
- Sidney is 3 weeks old, she is small for her age
- a child's ply pool becomes the pups new home
- the scientists try for many days to get the pup to eat fish, then she eats it
- when the pup is 5 weeks old, she has a thick layer of fat and is ready to be on her own
- Sidney is returned to her ocean home
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