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8th Grade Ch.2 pretest - Skyndipróf
Sent inn af: 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) Pulling an object in motion will not affect its motion.
D) Most objects move at the same speed.
  • 2. The motion of an object changes when you change
A) its speed only
B) either its speed or its direction
C) neither its speed nor its direction
D) its direction only
  • 3. Which units can be used to measure distance?
A) cubic centimeters
B) liters
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 mass
B) speed and direction
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) speed and weight
B) force and direction
C) distance and time
D) direction and size
  • 7. Simplified, the fraction 15/5 equals
A) 65
B) 5
C) 1/3
D) 3
  • 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 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 mass will change
B) its motion will change
C) its velocity will remain the same
D) it will not accelerate
  • 11. Which of the following is an example of horizontal movement?
A) a ball rolling on a flat table
B) a ball spinning in place
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 turning in circles
B) a person walking on a sidewalk
C) a person standing on one foot
D) a person jumping straight up and down
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