3rd Six Weeks Science Review

__________ will break down or decay living things.

• Weathering

• Erosion

• Decomposition

• Bedrock

What is weathering?

• When the weather starts to turn bad.

• What the person on TV does

• When material is moved from one place to another.

• When rock is broken up by water, wind, ice and frost.

Erosion is when weathered material is moved from one place to another.

• True

• False

What causes the needle in a compass to always point north?

• Magnetism

• Gravity

• Magic

• Pushing

What is force?

• Something used by the Jedi and Sith

• Pushing or pulling to move or stop objects.

What force is causing the ball to go down the slope?

• Magentism

• Magic

• Gravity

• Nothing

What will happen to the 2 magnets when they come close to each other?

• The push away from each other.

• Nothing

• They will melt.

• They will pull toward each other.

A magnet is slowly moved towards an object on a table. The object then moves away from the magnet The object is probably

• A coin

• A piece of glass

• A piece of wood

• An iron nail.

A table lamp with a light bulb is plugged into an electrical outlet and turned on. What type of energy is produced?

• Light and electrical energy.

• Electrical Energy only.

• Electrical and mechanical energy.

• Light and thermal energy.

What kind of energy is Miss Gulch using to ride her bicycle?

• Electrical

• Mechanical

• Thermal

• Light