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8th Grade Ch.2 pretest
Beigesteuert von: 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) Pushing on an object will change how it moves.
D) Pulling an object in motion will not affect its motion.
  • 2. The motion of an object changes when you change
A) its direction only
B) neither its speed nor its direction
C) either its speed or its direction
D) its speed only
  • 3. Which units can be used to measure distance?
A) seconds
B) meters
C) cubic centimeters
D) liters
  • 4. Which units can be used to measure time?
A) liters
B) milligrams
C) meters
D) seconds
  • 5. Hitting a ball can change its
A) size and direction
B) speed and direction
C) speed and mass
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) direction and size
C) speed and weight
D) force and direction
  • 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) 3
C) 1.5
D) 2/3
  • 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 scale of both axes must begin at zero.
D) The y-axis is vertical and the x-axis is horizontal
  • 10. If you push or pull a moving object,
A) its velocity will remain the same
B) its motion will change
C) its mass will change
D) it will not accelerate
  • 11. Which of the following is an example of horizontal movement?
A) a ball thrown straight up into the air
B) a ball rolling on a flat table
C) a ball that is still
D) a ball spinning in place
  • 12. Which of the following is an example of vertical movement?
A) a person walking on a sidewalk
B) a person standing on one foot
C) a person turning in circles
D) a person jumping straight up and down
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