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Types of wheels
Concepts
Wind and water
Vocabulary
Vocabulary
100
A bearing is an example of what type of wheel?
What is ball-shaped wheel
100
What is traction?
It is uses friction to propel an object forward
100
What is the source of power in the windmill?
What is wind
100
A factor that can change in an experiment
What is a variable
100
an act of exerting force on someone or something in order to move them away from oneself
What is a push
200
A circular saw blade is an example of what type of wheel?
What is a toothed wheel
200
How can you increase the amount of force transmitted in a wheel & axle?
Increase the difference between the wheel & axle
200
What is the source of power in the waterwheel?
What is water
200
Collected body of data from observations and experiments
What is evidence
200
A push or pull exerted on an object
What is force
300
A frisbee is an example of what type of wheel?
What is a disc wheel
300
How do wheels reduce friction?
By allowing objects to roll instead of slide
300
What is an advantage to both wind and water power sources?
They are inexhaustible
300
The recording of data and refer to any data collected during an experiment.
What is observation
300
What is a device that reduces the amount of force needed to perform a task or changes the direction of a force.
What is a simple machine
400
A washer is an example of what type of wheel?
What is ring wheel
400
How does a wheel & axle multiply force?
A small force over a long distance transfers to a large force over a small distance
400
What is a disadvantage to using wind as a power source?
The wind is not always present.
400
Observe, study, or make an examination, in order to establish facts and reach new conclusions.
What is investigate
400
an act of taking hold of something and exerting force to draw it toward one
What is a pull
500
A rolling pin is an example of what type of wheel?
What is tube wheel
500
How does a wheel & axle work?
A force applied to the wheel is transferred to the axle, and the axle transmits the force down its length.
500
What is a disadvantage to using water power.
You must live close to a source of water.
500
A set of controlled observations that test the hypothesis.
What is experiment
500
An object's change in position relative to a reference point.
What is motion