8.6B CFU Speed, Velocity, and Acceleration

1. Which of the following examples accurately describes an object that is accelerating?

• A. A ball sitting motionless on the floor

• B. An airplane moving at 500 kilometers per hour

• C. A car slows down to turn a sharp corner

• D. A bike moving backward at 3 meters per second

Tags

NGSS.MS-PS2-2

2. In order to determine the speed of an object in motion, what two measurements are necessary?

• A. Distance and time

• B. Direction and displacement

• C. Distance and direction

• D. Direction and time

3. The diagram below shows three vehicles traveling on a highway. All three vehicles are traveling at 63 miles per hour. Which of the following vehicles has a changing velocity?

• A. Minivan

• B. Sedan

• C. Pickup Truck

• D. None of the above

4. “25 miles per hour northeast” is an example of –

• A. acceleration.

• B. velocity.

• C. speed.

• D. deceleration.

5. The following data describes the motion of a car over a three minute period. Which of the following statements regarding the car’s motion is true?

• A. The velocity of the car changed, but not the speed.

• B. The speed of the car changed, but not the velocity.

• C. The velocity and the speed of the car changed.

• D. The velocity and the speed of the car stayed the same.

Tags

NGSS.MS-PS3-1

6. A motorcycle slows as it approaches a stop sign. What kind of motion does the motorcycle have during this event?

• A. Acceleration

• B. Speed

• C. Velocity

• D. Displacement

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-5