Standard Science Primary 6 Interactions

An astronaut travels from Earth to the Moon. Which of the following statements about her mass and weight is correct?

A Both her mass and weight will decrease.
B Both her mass and weight will remain the same.
C Her mass remains the same but her weight decreases.
D Her mass decreases but her weight remains the same.
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Worked Solution

Step 1: Mass is the amount of matter in an object and is constant regardless of location. Step 2: Weight is the gravitational pull on an object. Step 3: The Moon has weaker gravity than Earth. Step 4: Thus, mass remains the same, but weight decreases.

Correct answer: Her mass remains the same but her weight decreases.

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