Ball and Ramp

Students rolled a ball down a ramp, changing the starting position for each run. They timed each run to see how long it took the ball to go from the bottom of the ramp to the barrel at the end of the runway. In which run did the ball start at position 1?

• A

• B

• C

• D

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Students investigate balls as they roll down ramps and discover the higher the ramp, the more energy the ball is given. Which observation would be evidence for the idea that rolling balls that contain more energy travel faster?

• balls that roll down ramps 20 centimeters high go faster than balls that roll down ramps 10 centimeters high

• balls that roll down ramps 30 centimeters high go fast at first, but then they slow down and stop

• balls that roll down ramps 10 centimeters high go faster on a tile floor than on a carpeted floor

• balls that roll down ramps 20 centimeters high never travel any farther than 250 centimeters

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

The diagram shows a marble rolling down an inclined plane (ramp). The position of the ball is labeled for each second it travels. Which of the following BEST describes the motion of the marble?

• The speed of the marble increases every second.

• The speed of the marble decreases every second.

• The marble maintains a constant speed every second.

• The marble is changing direction every second.

Tags

NGSS.MS-PS2-4

NGSS.MS-PS3-1

NGSS.MS-PS3-5

What causes these cars to move down the ramps?

• Electricity

• A force that pulls

• Magnets

• A force that lifts

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

NGSS.MS-PS2-4

A ball is released from the top of a ramp. Which factor will most likely increase the speed of the ball as it reaches the bottom?

• Increasing the height of the ramp

• Decreasing the mass of the ball

• Using a rougher surface on the ramp

• Shortening the length of the ramp

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1

What is the primary form of energy conversion when a ball rolls down a ramp?

• Potential energy to kinetic energy

• Kinetic energy to potential energy

• Thermal energy to kinetic energy

• Chemical energy to potential energy

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

If a ball rolls down a ramp and then up another ramp, what happens to its speed as it climbs the second ramp?

• It increases

• It decreases

• It remains constant

• It becomes zero

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-2

Which of the following best explains why a ball slows down as it rolls up a ramp?

• Friction between the ball and the ramp

• Conversion of kinetic energy to potential energy

• Air resistance acting on the ball

• The mass of the ball increases

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-2

NGSS.MS-PS3-5

A ball is rolled down a ramp with a smooth surface and then with a rough surface. What is the expected outcome?

• The ball rolls faster on the smooth surface

• The ball rolls faster on the rough surface

• The ball rolls at the same speed on both surfaces

• The ball does not roll on the rough surface

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Which of the following graphs best represents the relationship between the height of a ramp and the speed of a ball at the bottom?

• A linear graph with a positive slope

• A linear graph with a negative slope

• A horizontal line

• A curve that peaks and then declines

Tags

NGSS.MS-PS3-2