Motion and Force Review

Which one shows the first law of motion? (something in motion stays in motion)

• people in the car moving forward when the brakes are hit

• bouncing backwards in a bumper car

• using a seesaw

Which shows the 2nd law of motion? (mass affects how much force is needed)

• people moving forward in a car when the brakes are hit

• going backwards after you crash a bumper car

• using a seesaw with someone a different weight as you

Tags

NGSS.MS-PS2-2

Which demonstrates the 3rd law of motion? (equal and opposite reactions)

• people moving forward in a car when the brakes have been applied

• using a seesaw

• bumper cars crashing into each other and moving backwards

Tags

NGSS.MS-PS2-1

Which is true about gravity?

• Gravity pulls everything towards the earth

• Gravity is a forced that is stretched

• Gravity is a force that creates heat

Tags

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Which is false about friction?

• Friction is a force that pulls things to the ground

• Friction creates heat

• Friction slows things down

Tags

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Which has more friction?

• car on grass

• car on smooth hallway

• car on desk

Which would have less friction?

• car on the carpet

• car on a hallway

• car on gravel

Which needs more force to move?

• 100 lbs of bricks

• 75 lbs of bricks

• 150 lbs of bricks

Tags

NGSS.MS-PS2-2

a rubber band that is stretched (not let go yet)

• kinetic

• potential

Tags

NGSS.MS-PS3-2

a glass of water sitting on a table

• kinetic

• potential

Tags

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