8th Grade Ch.2 pretest
  • 1. Which of the following is TRUE?
A) Pulling an object in motion will not affect its motion.
B) Pushing on an object will change how it moves.
C) Most objects move at the same speed.
D) All objects move in the same direction.
  • 2. The motion of an object changes when you change
A) its speed only
B) its direction only
C) neither its speed nor its direction
D) either its speed or its direction
  • 3. Which units can be used to measure distance?
A) liters
B) meters
C) cubic centimeters
D) seconds
  • 4. Which units can be used to measure time?
A) liters
B) milligrams
C) meters
D) seconds
  • 5. Hitting a ball can change its
A) speed and mass
B) speed and direction
C) size and direction
D) mass and size
  • 6. A ball moves 5 meters in 10 seconds. What does this information tell you about the motion of the ball?
A) speed and weight
B) force and direction
C) distance and time
D) direction and size
  • 7. Simplified, the fraction 15/5 equals
A) 1/3
B) 3
C) 65
D) 5
  • 8. Simplified, the fraction 10/15 equals
A) 3
B) 2/3
C) 1.5
D) 1/3
  • 9. Which statement about a line graph is TRUE?
A) The x-axis is vertical and the y-axis is horizontal.
B) The intervals on the x-axis are usually different sizes in the same graph.
C) The scale of both axes must begin at zero.
D) The y-axis is vertical and the x-axis is horizontal
  • 10. If you push or pull a moving object,
A) its velocity will remain the same
B) it will not accelerate
C) its mass will change
D) its motion will change
  • 11. Which of the following is an example of horizontal movement?
A) a ball thrown straight up into the air
B) a ball spinning in place
C) a ball that is still
D) a ball rolling on a flat table
  • 12. Which of the following is an example of vertical movement?
A) a person turning in circles
B) a person jumping straight up and down
C) a person standing on one foot
D) a person walking on a sidewalk
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