Standard Science Primary 6 Interactions

An astronaut travels from Earth to the Moon. Which of the following is true about his mass and weight?

A Both Mass and Weight decrease
B Both Mass and Weight stay the same
C Mass stays the same, Weight decreases
D Mass decreases, Weight stays the same
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Worked Solution

Step 1: Mass is the amount of matter in an object; it is constant. Step 2: Weight is the gravitational pull on an object. Step 3: Gravity on the Moon is weaker than on Earth, so weight decreases.

Correct answer: Mass stays the same, Weight decreases

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