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8th Grade Ch.2 pretest
Beigesteuert von: Howard
  • 1. Which of the following is TRUE?
A) Pushing on an object will change how it moves.
B) Pulling an object in motion will not affect its motion.
C) Most objects move at the same speed.
D) All objects move in the same direction.
  • 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) liters
B) milligrams
C) meters
D) seconds
  • 5. Hitting a ball can change its
A) mass and size
B) speed and direction
C) size and direction
D) speed and mass
  • 6. A ball moves 5 meters in 10 seconds. What does this information tell you about the motion of the ball?
A) distance and time
B) force and direction
C) speed and weight
D) direction and size
  • 7. Simplified, the fraction 15/5 equals
A) 65
B) 3
C) 1/3
D) 5
  • 8. Simplified, the fraction 10/15 equals
A) 2/3
B) 1.5
C) 3
D) 1/3
  • 9. Which statement about a line graph is TRUE?
A) The y-axis is vertical and the x-axis is horizontal
B) The scale of both axes must begin at zero.
C) The x-axis is vertical and the y-axis is horizontal.
D) The intervals on the x-axis are usually different sizes in the same graph.
  • 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 that is still
C) a ball rolling on a flat table
D) a ball thrown straight up into the air
  • 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 turning in circles
D) a person standing on one foot
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