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