Balance and Motion
 1. Something is _______ when it stays in a position on its own without being held there.A) pullB) balancedC) forceD) spinning2. 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 pointB) counterweightsC) stable positionD) air resistance3. The part that an object balances on is called the _______.A) counterbalancedB) forceC) stable positionD) balance point4. We learned to place the _______ below the balance point to get something to balance.A) counterweightsB) spinningC) rotateD) zoomers5. Something is _______ when you use counterweights. It doesn't fall over.A) twirlersB) axisC) balance pointD) counterbalanced6. You need a ________ to get something moving.A) axleB) counterweightC) balance pointD) force7. A force can be a _______ or a _______.A) wheel, axleB) push, pullC) spin, rotateD) balance point, counterbalance8. Twirlers work because air pushes against the wings. This is called _________A) spinningB) air resistanceC) rotatingD) balancing9. A top spins on its ____________.A) counterweightB) forceC) axisD) axle10. ________ is a force on earth that is caused by two things rubbing together.A) spinningB) motionC) frictionD) inertia11. The _______ is a rod or shaft that wheels can be attached.A) axleB) axisC) forceD) friction12. Bill Nye taught us that _______ is what makes an object stay sitting still or keep moving until a force acts upon it.A) forceB) inertiaC) counterweightD) friction13. To ______ means to go around and move forward or backward.A) pushB) pullC) spinD) roll14. To ______ means to go around and stay in the same spot.A) pullB) pushC) spinD) roll
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