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8th Grade Ch.2 pretest
Contribuido por: Howard
  • 1. Which of the following is TRUE?
A) All objects move in the same direction.
B) Most objects move at the same speed.
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) its direction only
B) its speed only
C) either its speed or its direction
D) neither its speed nor its direction
  • 3. Which units can be used to measure distance?
A) liters
B) seconds
C) cubic centimeters
D) meters
  • 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) speed and mass
B) speed and direction
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) direction and size
B) distance and time
C) speed and weight
D) force and direction
  • 7. Simplified, the fraction 15/5 equals
A) 1/3
B) 5
C) 3
D) 65
  • 8. Simplified, the fraction 10/15 equals
A) 3
B) 2/3
C) 1.5
D) 1/3
  • 9. Which statement about a line graph is TRUE?
A) The y-axis is vertical and the x-axis is horizontal
B) The scale of both axes must begin at zero.
C) The intervals on the x-axis are usually different sizes in the same graph.
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 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 that is still
B) a ball spinning in place
C) a ball thrown straight up into the air
D) a ball rolling on a flat table
  • 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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