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8th Grade Ch.2 pretest
Con il contributo di: Howard
  • 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) 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) its speed only
B) its direction 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) cubic centimeters
B) meters
C) liters
D) seconds
  • 4. Which units can be used to measure time?
A) seconds
B) liters
C) milligrams
D) meters
  • 5. Hitting a ball can change its
A) speed and direction
B) mass and size
C) speed and mass
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) direction and size
B) speed and weight
C) distance and time
D) force and direction
  • 7. Simplified, the fraction 15/5 equals
A) 3
B) 65
C) 1/3
D) 5
  • 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 x-axis is vertical and the y-axis is horizontal.
B) The y-axis is vertical and the x-axis is horizontal
C) The intervals on the x-axis are usually different sizes in the same graph.
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) it will not accelerate
C) its velocity will remain the same
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 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 jumping straight up and down
B) a person turning in circles
C) a person standing on one foot
D) a person walking on a sidewalk
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