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Questions and Answers
Which of the following statements is true about mass?
Which of the following statements is true about mass?
- It is a measure of the amount of matter in an object (correct)
- It changes with location
- It is measured in pounds or kilograms
- It varies depending on the gravitational pull
What does weight measure?
What does weight measure?
- The amount of matter in an object
- The force of gravity acting on an object (correct)
- The volume of an object
- The inertia of an object
Why do astronauts weigh less on the moon than on Earth?
Why do astronauts weigh less on the moon than on Earth?
- Their body composition changes in space
- The moon's atmosphere affects weight
- Their mass decreases in space
- The moon has less gravitational pull than Earth (correct)
Which of the following is a physical property of a substance?
Which of the following is a physical property of a substance?
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Which property is an example of a physical property of an object?
Which property is an example of a physical property of an object?
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Which of the following is considered a physical property of matter?
Which of the following is considered a physical property of matter?
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Study Notes
Mass and Weight
- Mass is a measure of the amount of matter in an object and does not change, regardless of location.
- Weight, on the other hand, measures the force of gravity acting on an object and can change depending on the gravitational field.
Weight on the Moon
- Astronauts weigh less on the moon than on Earth because the moon has a weaker gravitational field than the Earth.
Physical Properties of a Substance
- Examples of physical properties of a substance include mass, weight, volume, density, and melting point.
- These properties can be observed and measured without changing the composition of the substance.
Physical Property of an Object
- An example of a physical property of an object is its color, which can be observed and measured without changing the composition of the object.
Physical Property of Matter
- Mass is a physical property of matter, as it is a characteristic of the amount of matter in an object and can be measured.
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