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