8th Grade Ch.2 pretest
  • 1. Which of the following is TRUE?
A) All objects move in the same direction.
B) Pulling an object in motion will not affect its motion.
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) neither its speed nor its direction
C) its speed only
D) either its speed or its direction
  • 3. Which units can be used to measure distance?
A) meters
B) cubic centimeters
C) seconds
D) liters
  • 4. Which units can be used to measure time?
A) meters
B) liters
C) milligrams
D) seconds
  • 5. Hitting a ball can change its
A) speed and mass
B) speed and direction
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) force and direction
B) direction and size
C) speed and weight
D) distance and time
  • 7. Simplified, the fraction 15/5 equals
A) 65
B) 5
C) 1/3
D) 3
  • 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 x-axis is vertical and the y-axis is horizontal.
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 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 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 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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