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8th Grade Ch.2 pretest
נתרם על ידי: Howard
  • 1. Which of the following is TRUE?
A) Most objects move at the same speed.
B) Pulling an object in motion will not affect its motion.
C) Pushing on an object will change how it moves.
D) All objects move in the same direction.
  • 2. The motion of an object changes when you change
A) its direction only
B) either its speed or its direction
C) its speed only
D) neither its speed nor its direction
  • 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) liters
D) milligrams
  • 5. Hitting a ball can change its
A) speed and direction
B) speed and mass
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) speed and weight
B) distance and time
C) force and direction
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) 1.5
B) 3
C) 1/3
D) 2/3
  • 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 scale of both axes must begin at zero.
C) The x-axis is vertical and the y-axis is horizontal.
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) it will not accelerate
D) its mass will change
  • 11. Which of the following is an example of horizontal movement?
A) a ball thrown straight up into the air
B) a ball spinning in place
C) a ball rolling on a flat table
D) a ball that is still
  • 12. Which of the following is an example of vertical movement?
A) a person standing on one foot
B) a person jumping straight up and down
C) a person walking on a sidewalk
D) a person turning in circles
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