Grade 4 Science Quiz

Which of the following is an example of energy transfer?

• Turning off a light switch

• A hot stove heating a pot of water

• Leaving a fan turned off

• Closing a refrigerator door

True or False: Heat always flows from cold objects to hot objects.

• True

• False

Materials that allow heat to flow through them easily are called:

• Insulators

• Conductors

• Reflectors

• Absorbers

Which of these materials is a good conductor of heat?

• Plastic

• Wood

• Copper

• Rubber

Fill in the blank: Heat flows from _______ objects to _______ objects.

• hot, cold

• cold, hot

• light, dark

• dark, light

Which of the following is NOT a conductor?

• Iron

• Glass

• Aluminum

• Steel

Electricity flows in a path called a(n):

• Circle

• Conductor

• Circuit

• Insulator

True or False: An open circuit allows electricity to flow.

• True

• False

In a simple electric circuit, which of the following parts is necessary to complete the circuit?

• Light bulb, wire, and plastic

• Battery, wire, and light bulb

• Battery, plastic, and rubber

• Wire, rubber, and light bulb

What will happen if there is a break in the circuit?

• Electricity will still flow

• The circuit will be closed

• The device connected will not work

• The battery will explode