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8th Grade Ch.2 pretest
Con il contributo di: Howard
  • 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) neither its speed nor its direction
B) either its speed or its direction
C) its speed only
D) its direction only
  • 3. Which units can be used to measure distance?
A) seconds
B) cubic centimeters
C) liters
D) meters
  • 4. Which units can be used to measure time?
A) meters
B) milligrams
C) seconds
D) liters
  • 5. Hitting a ball can change its
A) size and direction
B) mass and size
C) speed 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) force and direction
B) distance and time
C) speed and weight
D) direction and size
  • 7. Simplified, the fraction 15/5 equals
A) 3
B) 5
C) 65
D) 1/3
  • 8. Simplified, the fraction 10/15 equals
A) 2/3
B) 1/3
C) 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 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 motion will change
B) its velocity will remain the same
C) its mass will change
D) it will not accelerate
  • 11. Which of the following is an example of horizontal movement?
A) a ball rolling on a flat table
B) a ball that is still
C) a ball spinning in place
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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