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) Pulling an object in motion will not affect its motion.
D) All objects move in the same direction.
  • 2. The motion of an object changes when you change
A) either its speed or its direction
B) neither its speed nor its direction
C) its speed only
D) its direction only
  • 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) liters
B) meters
C) seconds
D) milligrams
  • 5. Hitting a ball can change its
A) speed and direction
B) size and direction
C) speed and mass
D) mass and size
  • 6. A ball moves 5 meters in 10 seconds. What does this information tell you about the motion of the ball?
A) direction and size
B) force and direction
C) speed and weight
D) distance and time
  • 7. Simplified, the fraction 15/5 equals
A) 3
B) 5
C) 65
D) 1/3
  • 8. Simplified, the fraction 10/15 equals
A) 3
B) 2/3
C) 1/3
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 intervals on the x-axis are usually different sizes in the same graph.
C) The scale of both axes must begin at zero.
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 rolling on a flat table
B) a ball that is still
C) a ball thrown straight up into the air
D) a ball spinning in place
  • 12. Which of the following is an example of vertical movement?
A) a person turning in circles
B) a person walking on a sidewalk
C) a person jumping straight up and down
D) a person standing on one foot
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