An insulator.
What is rubber, foam, an eraser, a pencil, wood, etc. ?
A push or a pull.
What is a force?
A change in position.
What is motion?
The layer of soil that is only rock.
What is bedrock?
Hard pieces of the earth's surface.
What are rocks?
A conductor.
What is metal, silver, paper clip, etc. ?
An invisible force.
What is friction, gravity, or magnetism?
The pathway along with electric charges can flow.
What is a circuit?
The part of the soil plants grow in.
What is topsoil?
Any remaining part of a living thing that died long ago.
What is a fossil?
A circuit with only one pathway.
What is a series circuit?
The force that pulls objects towards the center of earth.
What is gravity?
Make work easier.
What is a simple machine?
What is soil made of?
The breaking down of rocks into smaller pieces.
What is weathering?
A circuit with more than one pathway.
What is a parallel circuit?
The force that slows motion.
What is friction?
A way to describe the motion of an object.
What is the direction, distance, or speed.
Remains of living things that have died and decayed.
Solid material in nature that was never alive.
What is a mineral?
What is heat, sound, and light?
This is done when a force moves something.
What is work?
The type of energy that is riding a bicycle.
What is mechanical energy?
The soil layer that has large pieces of rock and contains no humus.
What is subsoil?
Rock that is formed by going through intense heat or pressure.
What is metamorphic?