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8th Grade Ch.2 pretest
Con il contributo di: 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) 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) 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) liters
B) meters
C) cubic centimeters
D) seconds
  • 4. Which units can be used to measure time?
A) meters
B) seconds
C) milligrams
D) liters
  • 5. Hitting a ball can change its
A) size and direction
B) speed and mass
C) speed and direction
D) mass and size
  • 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) direction and size
D) speed and weight
  • 7. Simplified, the fraction 15/5 equals
A) 65
B) 5
C) 1/3
D) 3
  • 8. Simplified, the fraction 10/15 equals
A) 2/3
B) 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 y-axis is vertical and the x-axis is horizontal
C) The x-axis is vertical and the y-axis is horizontal.
D) The scale of both axes must begin at zero.
  • 10. If you push or pull a moving object,
A) its motion will change
B) it will not accelerate
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 standing on one foot
B) a person walking on a sidewalk
C) a person turning in circles
D) a person jumping straight up and down
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