- 1. Something is _______ when it stays in a position on its own without being held there.
A) spinning B) balanced C) force D) pull
- 2. A ______ means that something doesn't fall over. When you give it a little push, it wobbles back and forth, but it doesn't fall.
A) counterweights B) stable position C) air resistance D) balance point
- 3. The part that an object balances on is called the _______.
A) counterbalanced B) force C) balance point D) stable position
- 4. We learned to place the _______ below the balance point to get something to balance.
A) spinning B) zoomers C) counterweights D) rotate
- 5. Something is _______ when you use counterweights. It doesn't fall over.
A) twirlers B) balance point C) axis D) counterbalanced
- 6. You need a ________ to get something moving.
A) counterweight B) axle C) balance point D) force
- 7. A force can be a _______ or a _______.
A) wheel, axle B) balance point, counterbalance C) push, pull D) spin, rotate
- 8. Twirlers work because air pushes against the wings. This is called _________
A) air resistance B) spinning C) rotating D) balancing
- 9. A top spins on its ____________.
A) axle B) force C) counterweight D) axis
- 10. ________ is a force on earth that is caused by two things rubbing together.
A) inertia B) spinning C) motion D) friction
- 11. The _______ is a rod or shaft that wheels can be attached.
A) axle B) force C) axis D) friction
- 12. Bill Nye taught us that _______ is what makes an object stay sitting still or keep moving until a force acts upon it.
A) counterweight B) inertia C) force D) friction
- 13. To ______ means to go around and move forward or backward.
A) pull B) roll C) spin D) push
- 14. To ______ means to go around and stay in the same spot.
A) pull B) spin C) roll D) push
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