Matter & Energy Test

A fire has what kind(s) of energy?

• light

• heat

• light and heat

• electrical, light, and heat

A wire wrapped around a nail and connected to a battery is an example of a

• electromagnet

• circuit

• open circuit

• series circuit

Which of the following does NOT produce light energy

• the sun

• flashlight

• burning candle

• pair of eyeglasses

A boy is using a bow and arrow. What form of energy does a bow and arrow demonstrate?

• electrical

• mechanical

• sound

• thermal

What type of energy is used in an oven to bake a cake?

• mechanical

• sound

• light

• thermal

Students created a model using a battery, a wire, and a compass.

The needle on the compass will move because the flow of electricity can generate -

• friction

• vibrations

• heat and light

• a magnetic field

An object produces sound because it -

• reflects light from the sun

• generates electrical energy

• absorbs heat from water

• causes air to vibrate

Which of the following materials is used to cover electrical wires for safety because it is an insulator of electric energy?

• copper

• aluminum

• rubber

• iron

All of these objects are conductors of electricity EXCEPT

• nail

• rubber band

• penny

• steel fork

Electricity will flow in an electric circuit only if the circuit -

• has several batteries

• makes a complete path

• produces light energy

• has the right kind of insulators