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