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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) 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) neither its speed nor its direction
B) either its speed or its direction
C) its speed only
D) its direction only
  • 3. Which units can be used to measure distance?
A) liters
B) meters
C) seconds
D) cubic centimeters
  • 4. Which units can be used to measure time?
A) liters
B) seconds
C) milligrams
D) meters
  • 5. Hitting a ball can change its
A) mass and size
B) speed and mass
C) speed and direction
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) speed and weight
B) direction and size
C) distance and time
D) force and direction
  • 7. Simplified, the fraction 15/5 equals
A) 65
B) 5
C) 3
D) 1/3
  • 8. Simplified, the fraction 10/15 equals
A) 1/3
B) 3
C) 1.5
D) 2/3
  • 9. Which statement about a line graph is TRUE?
A) The scale of both axes must begin at zero.
B) The intervals on the x-axis are usually different sizes in the same graph.
C) The x-axis is vertical and the y-axis is horizontal.
D) The y-axis is vertical and the x-axis is horizontal
  • 10. If you push or pull a moving object,
A) its motion will change
B) its mass will change
C) it will not accelerate
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 rolling on a flat table
C) a ball spinning in place
D) a ball thrown straight up into the air
  • 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 walking on a sidewalk
D) a person standing on one foot
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