Science | Acceleration Review
Name Date
Acceleration Review
Identify each of the following as having either positive acceleration (+a), negative acceleration (-a), or
not acceleration (na).
1.
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A car moving away from a stop sign
2. A car coming to a stop
3. A car moving at constant speed on a straight road
Short Answer
4. What can be changing if an object is accelerating?
5. Explain why an object accelerates when it comes to a stop.
6. Planets are constantly accelerating as they orbit the sun, even when they are not changing
speed. Explain.
Fill in the blank for Questions 6-8. Use the following word list. You may not use all of the words on the
list. Do not use any of the words more than once.
speed
zero
positive
velocity
acceleration
negative
direction
7. In order for an object to be accelerating, its must be changing.
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© 2006 K12 Inc. All rights reserved.
Copying or distributing without K12’s written consent is prohibited.
Science | Acceleration Review
8. An object that moves at a constant speed in a constant direction has acceleration.
9. A graph of velocity vs. time depicts
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