Vocabulary
Earth: Outside and In
Earth's Water
Landforms
How Earth Moves
100
What is a landform?
A landform is one of the different shapes of Earth's land.
100
What is the outside layer of the Earth?
The crust
100
What is salt water?
Water with salt in it
100
On what layer of Earth are all landforms found?
On the crust
100
True or False: All changes to Earth happen slowly.
False: Many changes happen quickly.
200
What is a plain?
A wide, flat area covered with grass.
200
What layer is at the center of the Earth?
The core.
200
Where is fresh water found?
In rivers, ponds, lakes, streams, and rain.
200
What landform is not as high as a mountain?
A hill
200
How can water and wind change the Earth?
Water and wind can erode rock, sand and soil.
300
What is a valley?
A low area between two mountains
300
What is between the crust and the core?
The mantle
300
Where is salt water found?
In oceans.
300
What landform is flat and wide?
A plain
300
How does ice change the Earth?
Ice can break up and remove rocks over a long time.
400
What is fresh water?
Water that is not salty
400
What is the landform where the magma from inside the Earth comes out?
A volcano
400
True or False: There is more land than water on Earth.
False: Oceans cover most of Earth.
400
What landform surrounds a valley?
Mountains
400
What happens during an earthquake?
During an earthquake, the Earth's crust shakes.
500
What is a continent?
A very large piece of land surrounded by oceans.
500
What is the thickest layer of the Earth?
The mantle
500
List two reasons we need fresh water to live.
Humans and animals need water to drink, keep clean and stay healthy. Plants use water to make their own food.
500
What landform can explode??
A volcano!
500
Name one way the Earth can be built up and one way the Earth can be destroyed.
It can be built up with volcanoes and destroyed with earthquakes, landslides, floods, and erosion.
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