8th Grade Ch.2 pretest - اختبار
  • 1. Which of the following is TRUE?
A) Pulling an object in motion will not affect its motion.
B) Most objects move at the same speed.
C) Pushing on an object will change how it moves.
D) All objects move in the same direction.
  • 2. The motion of an object changes when you change
A) neither its speed nor its direction
B) either its speed or its direction
C) its direction only
D) its speed only
  • 3. Which units can be used to measure distance?
A) liters
B) cubic centimeters
C) meters
D) seconds
  • 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) size and direction
B) speed and mass
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) distance and time
B) direction and size
C) force and direction
D) speed and weight
  • 7. Simplified, the fraction 15/5 equals
A) 1/3
B) 3
C) 5
D) 65
  • 8. Simplified, the fraction 10/15 equals
A) 3
B) 1.5
C) 1/3
D) 2/3
  • 9. Which statement about a line graph is TRUE?
A) The y-axis is vertical and the x-axis is horizontal
B) The intervals on the x-axis are usually different sizes in the same graph.
C) The x-axis is vertical and the y-axis is horizontal.
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 mass will change
C) its velocity will remain the same
D) its motion will change
  • 11. Which of the following is an example of horizontal movement?
A) a ball thrown straight up into the air
B) a ball that is still
C) a ball rolling on a flat table
D) a ball spinning in place
  • 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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