8th Grade Ch.2 pretest
  • 1. Which of the following is TRUE?
A) Pulling an object in motion will not affect its motion.
B) Pushing on an object will change how it moves.
C) All objects move in the same direction.
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) meters
B) liters
C) seconds
D) cubic centimeters
  • 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 mass
B) mass and size
C) speed and direction
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) speed and weight
D) distance and time
  • 7. Simplified, the fraction 15/5 equals
A) 1/3
B) 5
C) 65
D) 3
  • 8. Simplified, the fraction 10/15 equals
A) 3
B) 1/3
C) 2/3
D) 1.5
  • 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 x-axis is vertical and the y-axis is horizontal.
C) The y-axis is vertical and the x-axis is horizontal
D) The scale of both axes must begin at zero.
  • 10. If you push or pull a moving object,
A) its mass will change
B) its velocity will remain the same
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 jumping straight up and down
B) a person turning in circles
C) a person walking on a sidewalk
D) a person standing on one foot
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