Wheel and Axle System
Patterns of Motion
Twirly Birds
Magnetism
Random
100
An object that is a circle in one direction and can fall over
A circle
100
An object placed on a ramp will roll _______________
Down
100
The force that pulls a twirly bird down.
Gravity
100
The two sides of a magnet are called _____________
Poles
100
In science, to guess what might happen is called _______________________
A prediction
200
A surface that is higher on one end
Slope
200
A wheel and axle system that has two small wheels on each end and one large wheel in the middle will roll _______________________
Wobbly
200
To make a twirly bird spin faster, you can ____________________ the wings.
Shorten
200
Magnets are attracted to objects made of ______________
Iron
200
A push or pull is called ____________________
A force
300
An object that has slope.
A ramp
300
In an uneven wheel and axle system, when the small wheel is placed on the right, the system rolls to the _______________
Right
300
The original twirly bird is called _________________
The standard
300
When an object sticks to a magnet we say it is __________________
Attracting
300
Adding a second paperclip to a twirly bird system will make the twirly bird fall _________________
Faster
400
To turn or spin means to ______________
Rotate
400
A wheel and axle system that has two of the same sized wheels will roll __________________ down a ramp
Straight
400
A twirly bird spins because there is ___________ under the wings that pushes against them.
Air
400
The invisible area around a magnet
The magnetic field
400
When an object does not move, the forces are __________________
Balanced
500
A wheel and axle system rotates on its
Axis
500
Two wheels will roll straight down only if they are connected by an axle, also known as __________________
A shaft
500
Anything you change that is different from the standard is called ______________________
The variable
500
When the south pole of a magnet is facing the south pole of another magnet, the two magnets will _____________
Repel
500
A force that slows an object down. ex. a soccer balls slows down as it rolls across grass
Friction
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