Question 1

What are hot materials?

Accepted Answer

B. Firewood

Answer

C. Chair

Answer

A. Ice cube

Question 2

What are cold materials?

Accepted Answer

A. Ice candy

Answer

C. Flame

Answer

B. Balloon

Question 3

How heat affects the physical properties of air?

Accepted Answer

C. All of the above

Answer

A. When air is heated the molecules of air move farther away, then, they occupy more space.

Answer

B. When air is heated the air expands and becomes less dense (lighter).

Question 4

What is the importance of heat in our life?

Accepted Answer

A. Heat is important in our life in order to survive, such as cooking our food, sunlight, etc.

Answer

B. The heat has no importance in human life.

Answer

C. Heat is important in our life because it damaged our skin

Question 5

Why is temperature important in our daily life?

Accepted Answer

C. Both A and B

Answer

B. Monitoring your body temperature, even when you're healthy, can help detect disease early and help you know if it's okay to go to work or school.

Answer

A. Temperature is important in our daily life. It affects our daily activities. We sometimes need to increase or decrease the temperature of a material depending on the need of activity or the situation.

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