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8th Grade Ch.2 pretest
  • 1. Which of the following is TRUE?
A) All objects move in the same direction.
B) Pulling an object in motion will not affect its motion.
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 direction only
B) neither its speed nor its direction
C) its speed only
D) either its speed or its direction
  • 3. Which units can be used to measure distance?
A) seconds
B) meters
C) cubic centimeters
D) liters
  • 4. Which units can be used to measure time?
A) meters
B) seconds
C) liters
D) milligrams
  • 5. Hitting a ball can change its
A) speed and mass
B) size and direction
C) mass and size
D) speed and direction
  • 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) direction and size
C) force and direction
D) distance and time
  • 7. Simplified, the fraction 15/5 equals
A) 65
B) 1/3
C) 5
D) 3
  • 8. Simplified, the fraction 10/15 equals
A) 2/3
B) 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 y-axis is vertical and the x-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) it will not accelerate
B) its mass will change
C) its motion will change
D) its velocity will remain the same
  • 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 rolling on a flat table
D) a ball spinning in place
  • 12. Which of the following is an example of vertical movement?
A) a person jumping straight up and down
B) a person standing on one foot
C) a person walking on a sidewalk
D) a person turning in circles
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