Foundation Science Primary 6 Interactions

Which of the following is an effect of gravitational force on Earth?

A It prevents objects from having mass.
B It causes objects to float in the air.
C It causes a compass needle to point North.
D It keeps the atmosphere around the Earth.
Show Worked Solution

Worked Solution

Step 1: Gravity is a pulling force exerted by Earth. Step 2: It pulls everything, including air molecules, towards its centre. Step 3: This pull is what maintains the atmosphere.

Correct answer: It keeps the atmosphere around the Earth.

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