Understanding Heat Energy

Which sounds were easiest and hardest to guess? Why? Did the category of the sound (household and animal) make a difference?

How can different sounds create different moods or emotions? For example, how does a plate smashing on the floor make you feel different from that of a running faucet?

Where do you feel heat in your daily life?

What do these objects have in common?

Why do you think the food coloring spreads out so much faster in the hot water than the cold water?

Which of the following is the BEST example of heat energy?

• A ball rolling down a hill

• A light bulb glowing brightly

• A pot of water boiling on a stove

• A fan blowing cool air

Which of the following is one way that heat is used in our homes?

• To power the TV

• To run the refrigerator

• To cook food on the stove

• To light up the room

Which sentence is not true about heat (thermal energy)?

• Heat can only move from a warm to a cool place.

• Heat energy can be felt as warmness.

• Heat moves from a cool to a warm place.

• Heat can change states of matter.

When we feel cold, we sometimes wear warm clothes. How do warm clothes help us feel warmer?

• They create heat energy.

• They absorb heat energy from the air.

• They trap our body heat.

• They reflect heat energy back to our body.

When you touch a hot pan, heat energy moves from ________.

• the pan to your hand

• your hand to the pan

• the air to your hand

• the air to the pan