Grade 2 Physics Quiz: Heat Energy and Heat Flow

What is the main source of heat on Earth?

• Lightning

• Sun

• Volcano

What is a man-made source of heat that is used for cooking?

• Microwave

• Refrigerator

• Dishwasher

• Stove or cooktop

What is a source of heat that is used to keep us warm in cold weather?

• ice cream

• heater or fireplace

• air conditioner

• swimming pool

Types of heat sources: What is a source of heat that is used to produce electricity?

• Wind turbine

• Thermal power plant

• Hydroelectric dam

• Solar panel

Heat flow in everyday objects: What happens to ice when it is left outside on a hot day?

• It will melt and turn into water.

• It will remain frozen forever

• It will evaporate into thin air

• It will turn into a solid rock

Heat flow in everyday objects: What happens to a cup of hot chocolate when it is left on the table for a long time?

• It turns into ice cream

• It freezes solid

• It cools down

• It catches fire

Heat flow in everyday objects: What happens to a metal spoon when it is left in a hot bowl of soup?

• It becomes hot

• It becomes magnetic

• It turns into ice

• It starts to glow

Heat flow in everyday objects: What happens to a cold glass of water when it is left outside on a hot day?

• The water will turn into ice

• The water will turn into steam

• The water will warm up

• The water will evaporate

Heat flow in everyday objects: What happens to a piece of bread when it is toasted in a toaster?

• It becomes crispy and brown

• It becomes hard and black

• It shrinks and turns green

• It turns blue and soft

Heat flow in everyday objects: What happens to a cold can of soda when it is left outside on a hot day?

• The soda will turn into ice

• The soda will turn into steam

• The soda will warm up

• The soda will evaporate