Energy Test Review

What unit is used to measure energy?

• Newtons (N)

• Joules (J)

• Meters per Second Squared (m/s²)

• Kilograms

Which of the following best describes the law of conservation of energy?

• Energy cannot be created but can be destroyed and can change form.

• Energy cannot be created or destroyed and cannot change form.

• energy can be crated but it cannot be destroyed and cannot change form.

• Energy cannot be created or destroyed, but energy can change form.

Tags

NGSS.HS-PS3-2

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What is kinetic energy?

• Energy of motion.

• Stored energy

• Energy that comes from the stretching of objects

• A type of potential energy

Tags

NGSS.MS-PS3-1

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What two factors determine an object's gravitational potential energy?

• Mass and Speed

• Mass and Height Above the Ground

• Speed and Height Above the Ground

• Mass and Weight

What is elastic potential energy?

• The energy stored in an object based on it's height above the ground.

• Energy stored in the bonds between atoms

• Energy stored in the stretching of an elastic object

• The total of an object's kinetic energy and potential energy.

Which of the following is an example of kinetic energy?

• the energy of a ball at the top of a hill

• the energy of a glass on a table

• the energy of a roller coaster rolling down a hill

• the energy of a slingshot pulled back

Tags

NGSS.MS-PS3-1

1. Due to the force of gravity, if an object is located in a position off the ground, is has _____________

• gravitational potential energy

• chemical potential energy

• radiant energy

• elastic potential energy

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NGSS.MS-PS3-2

Calculate the potential energy of a 2 kg cat perched 10 meters above the ground.

• 20 J

• 200 J

• 2.04 J

• 200 W

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NGSS.MS-PS3-2

Calculate the work needed to raise a 3 kg cat up to a height of
4 m.

• 12 J
• 0 J
• 120 J
• 1.22 J

When my velocity triples, my kinetic energy increases by ______ times.

• 9
•  3 
• 1.5
• 4.5

Tags

NGSS.MS-PS3-1