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8th Grade Ch.2 pretest
Поширений: Howard
  • 1. Which of the following is TRUE?
A) Pushing on an object will change how it moves.
B) Pulling an object in motion will not affect its motion.
C) Most objects move at the same speed.
D) All objects move in the same direction.
  • 2. The motion of an object changes when you change
A) its speed only
B) either its speed or its direction
C) its direction only
D) neither its speed nor its direction
  • 3. Which units can be used to measure distance?
A) meters
B) seconds
C) liters
D) cubic centimeters
  • 4. Which units can be used to measure time?
A) milligrams
B) seconds
C) liters
D) meters
  • 5. Hitting a ball can change its
A) speed and direction
B) size 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) speed and weight
C) force and direction
D) direction and size
  • 7. Simplified, the fraction 15/5 equals
A) 5
B) 65
C) 3
D) 1/3
  • 8. Simplified, the fraction 10/15 equals
A) 1/3
B) 1.5
C) 3
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 scale of both axes must begin at zero.
C) The y-axis is vertical and the x-axis is horizontal
D) The x-axis is vertical and the y-axis is horizontal.
  • 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 that is still
B) a ball rolling on a flat table
C) a ball thrown straight up into the air
D) a ball spinning in place
  • 12. Which of the following is an example of vertical movement?
A) a person jumping straight up and down
B) a person turning in circles
C) a person walking on a sidewalk
D) a person standing on one foot
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