Unit 3 Science Review

Front

Bobby pushes his toy box across the room. What kind of energy is happening?

Back

mechanical

Front

What happens when Lillian turns on her desk lamp to read her book?

Back

The circuit is closed, turning the light on.

Front

What form of energy is produced by a light bulb when a lamp is turned on?

Back

light energy

Front

What is true about an insulator?

Back

It slows energy transfer.

Front

What form of energy is produced when guitar strings are plucked and vibrate?

Back

sound energy

Front

Look at the drawing of the electrical circuit and determine which of the following statements is true about the circuit?

Back

The electrical circuit is open

Front

What kind of energy is happening when the turbine rotates?

Back

mechanical energy

Front

Sam tries to build an electric current using a battery, a light bulb, a paper clip, and copper wire. She wants to demonstrate that an electric circuit travels in a closed path. The diagram shows what she builds. Which statement explains the problem with her circuit?

Back

The circuit lacks a wire connecting the bulb to the battery.

Front

In the diagram, what vocabulary word should be labeled at #2? Options: copper wire, load, positive terminal, power source

Back

load

Front

In the diagram, what should be labeled at #3? Options: negative terminal, load, power source, copper wire

Back

copper wire