8th Grade Ch.2 pretest
  • 1. Which of the following is TRUE?
A) Pushing on an object will change how it moves.
B) Most objects move at the same speed.
C) All objects move in the same direction.
D) Pulling an object in motion will not affect its motion.
  • 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) cubic centimeters
C) meters
D) liters
  • 4. Which units can be used to measure time?
A) liters
B) seconds
C) meters
D) milligrams
  • 5. Hitting a ball can change its
A) speed and mass
B) speed and direction
C) mass and size
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) force and direction
D) distance and time
  • 7. Simplified, the fraction 15/5 equals
A) 5
B) 65
C) 3
D) 1/3
  • 8. Simplified, the fraction 10/15 equals
A) 1/3
B) 2/3
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 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 scale of both axes must begin at zero.
  • 10. If you push or pull a moving object,
A) its mass will change
B) its motion 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 rolling on a flat table
B) a ball that is still
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 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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