Motion

If a car travels 60 kilometers in 1 hour and a second car travels 80 kilometers in the same time, what statement about the cars is true?

• The first car is going faster than the second car.

• The cars are traveling at the same speed.

• The second car is traveling faster than the first car.

• The second car is newer than the first car.

The diagram shows the movement of a ball on three ramps. Each ramp is made of the same material, and the same ball is pushed with the same force each time on each ramp. What best describes the motion of balls 1, 2, and 3?

• Ball 1 will travel further than balls 2 or 3.

• Ball 2 will travel further than balls 1 or 3.

• Balls 1 and 3 will travel further than balls 1 and 2.

• Balls 2 and 3 will travel further than balls 1 and 2.

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NGSS.MS-PS2-2

What is the reason the car travels down the ramp?

• the ramp is magnetic
  

• the car has wheels

• the force of gravity pulls the car

• the car is a very weak magnet

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

A push or pull that causes an object to move, stop, or change direction.

• force

• friction

• gravity

• weight

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NGSS.MS-PS2-1

NGSS.MS-PS2-2

A force that acts against motion when 2 or more substances rub together.

• motion

• work

• gravity

• friction

What form of energy is being used when a person hits a tennis ball with a tennis racket?

• thermal energy

• sound energy

• light energy

• mechanical energy

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NGSS.MS-PS2-1

NGSS.MS-PS2-2

NGSS.MS-PS3-1

NGSS.MS-PS3-5

What happens to particles as they cool down?

• They slow down

• Nothing

• They don't move

• They speed up

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What happens to particles as they heat up?

• They slow down

• Nothing

• They don't move

• They speed up

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NGSS.MS-PS1-4

Looking at the picture, what type of energy is being used?

• light

• thermal

• mechanical

• sound

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NGSS.MS-PS3-1

NGSS.MS-PS3-5

If these boys are pulling with the same amount of force.  What will happen?

• The boy in blue will win.

• They will not move at all.

• The boy in red will win.

• Both will fall down.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2