A
What is the breaking down of rocks called?
Weathering.
If you throw an apple up into the air, it will fall back down. It happens because of .....
gravity
Where is a place we can find humus?
Topsoil
What is magnetism?
The force of magnet.
What are two precious metals?
Gold and silver.
Why do we eat food?
To get energy stored in it.
What is a force that slows or stops motion?
Friction
What is the large, unbroken rock under the subsoil?
Bedrock
What is the loose material on the earth's surface, called?
Soil
What kind of rock forms when hot, melted rock cools?
Igneous rock
When is work done?
When the force moves something.
a push or a pull.
Mention 3 ways to describe the motion of an object!
How does the melted rock get out to the surface?
Through a volcano.
What is sometimes found in sedimentary rock?
Fossil
What treasures do rocks have?
Minerals
Mention 2 kinds of minerals that we often eat!
Iron and calcium
What do rocks look like when the melted rock cools slowly?
They are rough and speckled.
What energy does it change when a student eats and the student does something after that?
Chemical energy from food changes into mechanical energy.
How can a seed weather a rock?
If a seed falls into a crack in the rock and starts to grow, the growing plant will push the rock apart.
What is mechanical energy?
The energy is caused by an object’s motion or position.
Mention 3 groups of rocks.
Igneous rocks, sedimentary rocks, metamorphic rocks
Mention five things that can do work.
What is a fossil?
Any part or mark of a living thing that is naturally preserved after it dies./ any remaining parts of a living thing that died long ago.
How should we respond as we use the energy and abilities God has given us?
Be grateful for it.