Land and Water
Different shapes of Earth
landforms
Ice can do this to rocks over a long period of time.
Break large rocks into smaller pieces
Plant and animal parts do this when they rot.
decompose
To make new items out of old items
recycle
Tell the difference between fresh water and oceans.
Fresh water is water that isn't salty. It is found in lakes, ponds, rivers, and streams. An ocean is a large body of water that is salty.
Wind does this to sand dunes.
shapes the sand dunes
A mix of soil and rotting parts of plants and animals
compost
To use something again
reuse
Name two different landforms and describe each.
mountain--high area of land; pointed tops; steep sides
valley--low land between mountains or hills
plain--flat and wide
hill--small mound of land
Fast moving water can do this to rocks.
Wear them away
Two things found in soil
rocks, minerals, plant and animal parts, nutrients
To cut back on how much you use something
reduce
Name each layer of Earth and tell about each layer.
crust--outer layer; thinnest layer
mantle--thickest layer
core--center of Earth; hottest part
Name two ways Earth changes quickly and what happens during those changes.
Earthquake: Earth's crust shakes.
Volcano: an opening in the Earth's crust; hot liquid comes out of opening.
Flood: a lot of rain falls quickly
Landslide: rocks and soil slide from higher ground to lower ground
Give three examples of natural resources and why they are important.
accept variety of responses; rocks, soil, air, water, etc.
Give one example of reducing, reusing, and recycling.
Accept various responses.