Question 1

What is force?

Accepted Answer

B. a push or a pull

Answer

C. throw and catch

Answer

A. kick and run

Question 2

2. During summer vacation, infer how the wind affects children’s leisure time.

Accepted Answer

A. The wind pushes the kite to fly.

Answer

C. The wind produces a cool breeze at night.

Answer

B. The wind dries away the wet pavement.

Question 3

3. Infer how important the force of gravity is to our planet?

Accepted Answer

C. The sun's gravity keeps Earth in orbit, keeping us at a comfortable distance to enjoy the sun's light and warmth.

Answer

B. The sun’s gravity towards the Earth keeps us healthy.

Answer

A. The force of gravity on Earth pulls human to be tall.

Question 4

4. What kind of objects are attracted by magnets?

Accepted Answer

A. metals

Answer

B. plastics

Answer

C. stones

Question 5

5. Which of the sources of force comes from the power station, wind turbine, solar, water, and battery?

Accepted Answer

A. electricity

Answer

C. water

Answer

B. magnetism

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