Energy, Forces and Motion Lesson 1 and 2 Review

What is energy?

• The ability to play sports

• The ability to do work or cause a change

• A type of machine

• A measurement of distance

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What are the two broad categories of energy?

• Static and dynamic energy

• Thermal and electric energy

• Kinetic and potential energy

• Chemical and nuclear energy

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What is a force?

• The speed of an object

• The color of an object

• A push or a pull between objects

• The shape of an object

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What is mass a measure of according to the text?

• The amount of space an object occupies

• The amount of matter in a body

• The amount of force applied to an object

• The amount of energy an object has

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What does the mass of a body determine?

• The color and shape of the body

• The temperature of the body

• How much it will accelerate when unbalanced forces act on it and its weight at Earth's surface

• The volume of the body

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In the metric system, how is mass measured?

• In meters or centimeters

• In liters or milliliters

• In kilograms or grams

• In newtons or joules

Based on the diagram, what is the weight of a 1 kg mass on Earth?

• 9.81 N

• 3.72 N

• 1 N

• 1 kg

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Based on the diagram, what is the weight of a 1 kg mass on Mars?

• 9.81 N

• 3.72 N

• 1 N

• 1 kg

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What is gravity?

• A force of repulsion between two bodies that have mass.

• A force of attraction between two bodies that have mass, even though the bodies may not be touching.

• The force that a body experiences when it is in motion.

• The force that keeps planets rotating around the sun.

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What is speed a measure of?

• How slow something is moving.

• How fast something is moving.

• The direction in which something is moving.

• The weight of a moving object.

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