McGraw Hill Energy

Which is kinetic energy?

• energy that is stored in the position, or structure, of an object

• energy that is increasing

• energy that is decreasing

• the energy of a moving object

Which is potential energy?

• energy that is stored in the position, or structure, of an object

• energy that is increasing

• energy that is decreasing

• the energy of a moving object

What is the law of conservation of energy?

• energy cannot be created, but can be destroyed

• energy cannot be created, or destroyed

• once energy is used, it will be wasted

• energy is heated, then frozen

What do you call the ability to do work?

• motion

• energy

• force

• momentum

What type of energy does a roller coaster car at the top of a hill have?

• kinetic energy

• energy of motion

• heat energy

• potential energy

The amount of kinetic energy an object has is related to its _______ & _______ .

• mass & speed

• heat & sound

• height & size

• name & looks

Which is an example of unbalanced forces? (CHOOSE ALL THAT APPLY)

• a skateboarder suddenly stopping

• two teams playing tug of war, the rope does NOT move

• a person pushing a wall

• an elevator on its way to the top floor

Which is an example of balanced forces? (CHOOSE ALL THAT APPLY)

• a skateboarder suddenly stopping

• two teams playing tug of war, the rope does NOT move

• a person pushing a wall

• an elevator on its way to the top floor

Which is an example of velocity?

• 25 mph

• 25 mph heading south

• 25 ft

• 25 gallons

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The more friction between colliding objects, the ________ heat is produced.

• less

• slightest

• worst

• more

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