Heat

What action can produce heat?

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Which action do not produce heat?

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What can produce heat?

• Swimming

• Burning

• Cleaning

What can produce heat?

• Rubbing

• Singing

• Mopping

Which action does not produce heat?

• Singing

• Rubbing

• Burning

Rubbing hands will produce heat.

Is it ture?

• Yes

• No

Eating ice cream will produce heat.

Is it true?

• Yes

• No

Wearing a sweater will make us warm and thus produce heat .

Is it true?

• Yes

• No

Playing with dolls will produce heat.

Is it true?

• Yes

• No

What can you wear if you feel cold?

• sweater

• sleeveless shirt

• Short pants

• Swimming suit