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8th Grade Ch.2 pretest
Hauen laguntzarekin: Howard
  • 1. Which of the following is TRUE?
A) Pushing on an object will change how it moves.
B) All objects move in the same direction.
C) Most objects move at the same speed.
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) its direction only
D) neither its speed nor its direction
  • 3. Which units can be used to measure distance?
A) cubic centimeters
B) meters
C) seconds
D) liters
  • 4. Which units can be used to measure time?
A) liters
B) meters
C) milligrams
D) seconds
  • 5. Hitting a ball can change its
A) mass and size
B) speed and direction
C) size and direction
D) speed and mass
  • 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) force and direction
D) speed and weight
  • 7. Simplified, the fraction 15/5 equals
A) 3
B) 1/3
C) 5
D) 65
  • 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 x-axis is vertical and the y-axis is horizontal.
B) The scale of both axes must begin at zero.
C) The y-axis is vertical and the x-axis is horizontal
D) The intervals on the x-axis are usually different sizes in the same graph.
  • 10. If you push or pull a moving object,
A) its velocity will remain the same
B) its mass will change
C) its motion 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 jumping straight up and down
D) a person turning in circles
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