Earth Science
Water breaks rocks and moves dirt away. This is called ...
Erosion
This makes its own food.
Producer
Energy from the sun that helps plants grow.
Solar Energy
A push or pull is called this.
Force
This pumps blood.
Heart
Rocks breaking into smaller pieces is called...
Weathering
This eats plants.
Herbivore
Energy from moving air.
Wind Energy
This is an example of a push.
Pushing a door.
This system helps you think.
Nervous System
When it is dark outside, Earth is facing away from the sun. This is called...
Night
This eats animals
This type of energy will not run out (Sun and Wind).
Renewable Energy
This is an example of pull.
Pulling a wagon
This system helps you move.
Muscular System
When it is light outside and we see the sun, this is called...
Day
Energy in a food chain starts here.
The Sun
This kind of energy can run out (gas and oil).
Nonrenewable Energy
This makes objects start moving.
Force
This system breaks down food.
Digestive System
Earth spins to make day and night. What is this called?
Rotation
This breaks down dead things.
Decomposer
A solar panel uses this to make energy.
Sunlight
Force can change this (how fast something moves)
Speed
This system protects your organs.
Skeletal System