8th Grade Ch.2 pretest
  • 1. Which of the following is TRUE?
A) All objects move in the same direction.
B) Pushing on an object will change how it moves.
C) Pulling an object in motion will not affect its motion.
D) Most objects move at the same speed.
  • 2. The motion of an object changes when you change
A) its speed only
B) neither its speed nor its direction
C) its direction only
D) either its speed or its direction
  • 3. Which units can be used to measure distance?
A) liters
B) cubic centimeters
C) meters
D) seconds
  • 4. Which units can be used to measure time?
A) milligrams
B) liters
C) seconds
D) meters
  • 5. Hitting a ball can change its
A) size and direction
B) mass and size
C) speed and direction
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) 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) 1/3
C) 3
D) 65
  • 8. Simplified, the fraction 10/15 equals
A) 1.5
B) 3
C) 2/3
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 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 spinning in place
B) a ball thrown straight up into the air
C) a ball that is still
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 jumping straight up and down
C) a person walking on a sidewalk
D) a person turning in circles
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