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