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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) All objects move in the same direction.
C) Pulling an object in motion will not affect its motion.
D) Pushing on an object will change how it moves.
  • 2. The motion of an object changes when you change
A) either its speed or its direction
B) its speed only
C) neither its speed nor its direction
D) its direction only
  • 3. Which units can be used to measure distance?
A) cubic centimeters
B) meters
C) seconds
D) liters
  • 4. Which units can be used to measure time?
A) liters
B) meters
C) milligrams
D) seconds
  • 5. Hitting a ball can change its
A) speed and mass
B) size and direction
C) mass and size
D) speed and direction
  • 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) direction and size
C) speed and weight
D) force and direction
  • 7. Simplified, the fraction 15/5 equals
A) 5
B) 3
C) 65
D) 1/3
  • 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 scale of both axes must begin at zero.
B) The x-axis is vertical and the y-axis is horizontal.
C) The y-axis is vertical and the x-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) its motion will change
B) its mass will change
C) its velocity will remain the same
D) it will not accelerate
  • 11. Which of the following is an example of horizontal movement?
A) a ball spinning in place
B) a ball rolling on a flat table
C) a ball that is still
D) a ball thrown straight up into the air
  • 12. Which of the following is an example of vertical movement?
A) a person turning in circles
B) a person jumping straight up and down
C) a person walking on a sidewalk
D) a person standing on one foot
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