Unit 4 Checkpoint Makeup

How are speed and velocity different?

• Speed includes direction

  
  

• Speed indicates momentum

  
  

• Velocity includes momentum

  
  

• Velocity includes direction

Which way would the object move based on the forces displayed?

• Left

• Right

• Up

• Down

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Which way would the object move based on the forces displayed?

• Left

• Right

• Up

• Down

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Melanie is running around the track at 6 mi/h. At what point(s) is she accelerating?

• point B only

  
  

• point C only

  
  

• points B & D

  
  

• points A & C

  
  

Assuming that the bus is traveling in the same direction, all of the following lines on the graph represent acceleration of the Life Size Science bus, except __________ ?

• B to C

  
  

• O to A

  
  

• D to E

  
  

• A to B

Tags

NGSS.MS-PS3-1

A student is pushing a 50 kilogram box across a smooth floor with a net force of 80 N. If the student wants to calculate the approximate acceleration of the box, the student should do which of the following?

• Divide the force by the mass ( F / M ).

  
  

• Divide the mass by the force ( M / F ).

  
  

• Add the mass and the force ( F + M ).

  
  

• Multiply the mass and the force ( F x M ).

  
  

Tags

NGSS.MS-PS2-2

A student is pushing a 50 kilogram box across a smooth floor with a net force of 80 N. What is the approximate acceleration of the box?

• 1.6 m/s²

  
  

• 130 m/s²

  
  

• 0.625 m/s²

  
  

• 4,000 m/s²

  
  

Tags

NGSS.MS-PS2-2

The graph represents the movement of a car over the span of 8 seconds. What is the average acceleration of the car from 0-6 seconds?

• 10 m/s²

  
  

• 0 m/s²

  
  

• 1.67 m/s²

  
  

• 1.67 m/s

  
  

Tags

NGSS.MS-PS3-1

Energy transformation occurs when a splitting atom releases energy to heat water, producing steam. How would this energy transfer be described?

• nuclear energy to heat energy

  
  

• heat energy to chemical energy

  
  

• electrical energy to nuclear energy

  
  

• chemical energy to heat energy 

  
  

Tags

NGSS.HS-PS1-8

Which of the following statements accurately describe the acceleration of each box? Select TWO correct answers.

• Box A would have a greater acceleration than Box D but less acceleration than Box B.

  
  

• Box C would have a greater acceleration than Box B but less acceleration than Box D.

  
  

• Box B would have the greatest acceleration and Box D would have the least acceleration.

  
  

• Box A would have a greater acceleration than Box B but less acceleration than Box D.

  
  

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2