Electricity
Forces
Motion
Soil
Rocks
100

An insulator.

What is rubber, foam, an eraser, a pencil, wood, etc. ?

100

A push or a pull.

What is a force?

100

A change in position.

What is motion?

100

The layer of soil that is only rock.

What is bedrock?

100

Hard pieces of the earth's surface. 

What are rocks?

200

A conductor.

What is metal, silver, paper clip, etc. ?

200

An invisible force.

What is friction, gravity, or magnetism?

200

The pathway along with electric charges can flow.

What is a circuit?

200

The part of the soil plants grow in.

What is topsoil?

200

Any remaining part of a living thing that died long ago.

What is a fossil?

300

A circuit with only one pathway.

What is a series circuit?

300

The force that pulls objects towards the center of earth.

What is gravity?

300

Make work easier.

What is a simple machine?

300
Broken rock, humus, air, and water.

What is soil made of?

300

The breaking down of rocks into smaller pieces.

What is weathering?

400

A circuit with more than one pathway.

What is a parallel circuit?

400

The force that slows motion.

What is friction?

400

A way to describe the motion of an object.

What is the direction, distance, or speed.

400

Remains of living things that have died and decayed.

What is humus?
400

Solid material in nature that was never alive.

What is a mineral?

500
The three types of energy that electricity can be changed to. 

What is heat, sound, and light?

500

This is done when a force moves something.

What is work?

500

The type of energy that is riding a bicycle.

What is mechanical energy?

500

The soil layer that has large pieces of rock and contains no humus. 

What is subsoil?

500

Rock that is formed by going through intense heat or pressure. 

What is metamorphic?

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