Physics Review for 6th Graders

What is the equation for average speed?

• time * distance

• time / distance

• distance / time

What is Kinetic Energy?

• The opposite of Potential Energy

• The energy of being high and heavy.

• The energy of stretching a rubber band or spring.

• The energy of having mass and being fast.

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What is Gravitational Potential Energy?

• The opposite of Kinetic Energy

• The energy of being high and heavy

• The energy of stretching a rubber band or spring

• The energy of having mass and being fast

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If I am driving a car with a speed of 50 ft/second, how much time will I need in order to go 1000 ft?

• 50 seconds

• 20 seconds

• 10 seconds

• 5 seconds

What is the best description of the motion shown in this graph?

• The object is moving forward at a constant speed.

• The object is moving forward and getting faster and faster.

• The object is not moving whatsoever.

• The object is moving diagonally.

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What is the difference between velocity and speed?

• There is no difference. They are exactly the same thing.

• Velocity means getting faster and faster.

• Velocity is speed, but with a positive or negative indicating the direction of the object.

• Speed is how fast, and velocity is where you are going.

What is the object motion doing?

• Speeding up for 6 seconds and then going a constant speed.

• Moving forward at a constant speed for 6 seconds and then stopping.

• Speeding up for 6 seconds straight and then coming to rest.

• Moving diagonally and then walking straight.

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What does Force do?

• Force is what keeps thing moving at a speed.

• Force changes an objects speed or direction.

• Opposes motion.

• Force is an object's "momentum".

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What is Inertia?

• A property of matter that keeps objects moving they way they were without force.

• An object's tendency to fall.

• An object's internal friction.

• A property of matter that prevents motion.

A bullet is shot straight up into the air. What happens to the energy of the bullet.

• Kinetic Energy transforms into Gravitational Potential Energy

• Gravitational Potential Energy transforms into Kinetic Energy

• Energy is destroyed as gravity pulls it down.

• Elastic Potential Energy transforms into Thermal Energy

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