8th Grade Ch.2 pretest
  • 1. Which of the following is TRUE?
A) Most objects move at the same speed.
B) Pulling an object in motion will not affect its motion.
C) Pushing on an object will change how it moves.
D) All objects move in the same direction.
  • 2. The motion of an object changes when you change
A) its direction only
B) its speed only
C) neither its speed nor its direction
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) meters
B) milligrams
C) seconds
D) liters
  • 5. Hitting a ball can change its
A) mass and size
B) speed and direction
C) speed and mass
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) force and direction
B) direction and size
C) distance and time
D) speed and weight
  • 7. Simplified, the fraction 15/5 equals
A) 65
B) 1/3
C) 5
D) 3
  • 8. Simplified, the fraction 10/15 equals
A) 1/3
B) 3
C) 2/3
D) 1.5
  • 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 motion will change
C) its velocity will remain the same
D) its mass will change
  • 11. Which of the following is an example of horizontal movement?
A) a ball rolling on a flat table
B) a ball thrown straight up into the air
C) a ball that is still
D) a ball spinning in place
  • 12. Which of the following is an example of vertical movement?
A) a person walking on a sidewalk
B) a person turning in circles
C) a person jumping straight up and down
D) a person standing on one foot
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