8th Grade Ch.2 pretest
  • 1. Which of the following is TRUE?
A) Pulling an object in motion will not affect its motion.
B) All objects move in the same direction.
C) Pushing on an object will change how it moves.
D) Most objects move at the same speed.
  • 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) meters
C) cubic centimeters
D) liters
  • 4. Which units can be used to measure time?
A) liters
B) milligrams
C) seconds
D) meters
  • 5. Hitting a ball can change its
A) size and direction
B) mass and size
C) speed and mass
D) speed 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) 65
B) 1/3
C) 3
D) 5
  • 8. Simplified, the fraction 10/15 equals
A) 3
B) 2/3
C) 1.5
D) 1/3
  • 9. Which statement about a line graph is TRUE?
A) The intervals on the x-axis are usually different sizes in the same graph.
B) The scale of both axes must begin at zero.
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) 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 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 walking on a sidewalk
C) a person jumping straight up and down
D) a person turning in circles
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