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) Most objects move at the same speed.
D) Pulling an object in motion will not affect its motion.
  • 2. The motion of an object changes when you change
A) neither its speed nor its direction
B) its direction only
C) either its speed or its direction
D) its speed only
  • 3. Which units can be used to measure distance?
A) seconds
B) meters
C) cubic centimeters
D) liters
  • 4. Which units can be used to measure time?
A) meters
B) liters
C) seconds
D) milligrams
  • 5. Hitting a ball can change its
A) speed and direction
B) speed and mass
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) distance and time
D) force and direction
  • 7. Simplified, the fraction 15/5 equals
A) 5
B) 1/3
C) 65
D) 3
  • 8. Simplified, the fraction 10/15 equals
A) 1/3
B) 2/3
C) 3
D) 1.5
  • 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 y-axis is vertical and the x-axis is horizontal
D) The x-axis is vertical and the y-axis is horizontal.
  • 10. If you push or pull a moving object,
A) its velocity will remain the same
B) its mass will change
C) it will not accelerate
D) its motion will change
  • 11. Which of the following is an example of horizontal movement?
A) a ball thrown straight up into the air
B) a ball that is still
C) a ball spinning in place
D) a ball rolling on a flat table
  • 12. Which of the following is an example of vertical movement?
A) a person walking on a sidewalk
B) a person jumping straight up and down
C) a person standing on one foot
D) a person turning in circles
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