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8th Grade Ch.2 pretest
Contribué par: 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) Most objects move at the same speed.
D) Pushing on an object will change how it moves.
  • 2. The motion of an object changes when you change
A) its direction only
B) either its speed or its direction
C) neither its speed nor its direction
D) its speed only
  • 3. Which units can be used to measure distance?
A) liters
B) cubic centimeters
C) seconds
D) meters
  • 4. Which units can be used to measure time?
A) milligrams
B) meters
C) seconds
D) liters
  • 5. Hitting a ball can change its
A) speed and direction
B) speed and mass
C) size 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) speed and weight
C) direction and size
D) force and direction
  • 7. Simplified, the fraction 15/5 equals
A) 5
B) 1/3
C) 3
D) 65
  • 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 x-axis is vertical and the y-axis is horizontal.
C) The y-axis is vertical and the x-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 mass will change
D) its velocity will remain the same
  • 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 standing on one foot
B) a person turning in circles
C) a person jumping straight up and down
D) a person walking on a sidewalk
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