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8th Grade Ch.2 pretest
Contribué par: 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) All objects move in the same direction.
D) Pushing on an object will change how it moves.
  • 2. The motion of an object changes when you change
A) neither its speed nor its direction
B) its speed only
C) either its speed or its direction
D) its direction 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) liters
B) seconds
C) milligrams
D) meters
  • 5. Hitting a ball can change its
A) mass and size
B) size and direction
C) speed and mass
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) force and direction
B) direction and size
C) distance and time
D) speed and weight
  • 7. Simplified, the fraction 15/5 equals
A) 3
B) 5
C) 1/3
D) 65
  • 8. Simplified, the fraction 10/15 equals
A) 1.5
B) 2/3
C) 3
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 scale of both axes must begin at zero.
C) The y-axis is vertical and the x-axis is horizontal
D) The x-axis is vertical and the y-axis is horizontal.
  • 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 rolling on a flat table
B) a ball thrown straight up into the air
C) a ball spinning in place
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 turning in circles
D) a person walking on a sidewalk
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