Balance
Spinners
Rollers
Forces
100
TRUE or FALSE - Objects can be balanced in many ways.
TRUE - Objects can be balanced in many ways.
100
TRUE or FALSE - Tops and Zoomers both spin the same way.
FALSE - Tops and Zoomers both spin, but in different ways.
100
TRUE or FALSE - If two cups are taped together so the ends are the same size, it will roll straight.
TRUE - If two cups are taped together so the ends are the same size, it will roll straight.
100
What force was acting on the rollers as they rolled down the ramp?
Gravity was acting on the rollers as the rolled down the ramp.
200
How do you know when something is in a stable position?
Something is in a stable position if you give it a little push and it wobbles, but does not fall over.
200
A __________ is needed to start an object spinning.
A force is needed to start an object spinning.
200
A runway must be __________ at the start and __________ at the finish for a sphere to roll the complete length.
A runway must be high at the start and low at the finish for a sphere to roll the complete length.
200
What force acts on every object on earth?
Gravity acts on every object on earth.
300
What can help balance an object?
Counterweights can help balance an object.
300
Draw the axis of the twirlers.
The axis of the twirlers is up and down, vertical.
300
TRUE or FALSE - The amount and location of an added weight will never change the way a system rolls.
FALSE - The amount and location of an added weight can change the way a system rolls.
300
What force was acting on the spheres in the runway?
Gravity was acting on the spheres in the runway.
400
The way an object balances can be changed by __________.
The way an object balances can be changed by counterweighting.
400
The amount and position of __________ affects how an object rotates.
The amount and position of mass affects how an object rotates.
400
TRUE or FALSE - Wheel and axle systems with wheels of different sizes roll toward the larger wheel.
FALSE - Wheel and axle systems with wheels of different sizes roll toward the smaller wheel.
400
What force were you applying to the Zoomers?
You were applying a pushing and pulling force to the zoomers.
500
What is the place where an object balances called?
The place where an object balances is called the balance point.
500
Objects and systems that turn around a central axis exhibit _________ ________.
Objects and systems that turn around a central axis exhibit rotational motion.
500
Draw a wheel and axle system that will roll in a curve.
A wheel and axle system with one large wheel and one small wheel will roll in a curve.
500
What force was making the twirlers spin?
Air resistance was making the twirlers spin.
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