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8th Grade Ch.2 pretest
Contribuição de: Howard
  • 1. Which of the following is TRUE?
A) Pushing on an object will change how it moves.
B) Most objects move at the same speed.
C) All objects move in the same direction.
D) Pulling an object in motion will not affect its motion.
  • 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) seconds
B) liters
C) meters
D) cubic centimeters
  • 4. Which units can be used to measure time?
A) seconds
B) milligrams
C) liters
D) meters
  • 5. Hitting a ball can change its
A) speed and mass
B) size and direction
C) speed 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) force and direction
B) speed and weight
C) direction and size
D) distance and time
  • 7. Simplified, the fraction 15/5 equals
A) 1/3
B) 65
C) 3
D) 5
  • 8. Simplified, the fraction 10/15 equals
A) 1/3
B) 1.5
C) 2/3
D) 3
  • 9. Which statement about a line graph is TRUE?
A) The y-axis is vertical and the x-axis is horizontal
B) The x-axis is vertical and the y-axis is horizontal.
C) The intervals on the x-axis are usually different sizes in the same graph.
D) The scale of both axes must begin at zero.
  • 10. If you push or pull a moving object,
A) it will not accelerate
B) its velocity will remain the same
C) its mass will change
D) its motion will change
  • 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 standing on one foot
B) a person turning in circles
C) a person walking on a sidewalk
D) a person jumping straight up and down
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