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Wheel and Axle System
Patterns of Motion
Twirly Birds
Magnetism
Random
100
Describe how a wheel and axle system, with the same size wheels, will roll down a slope.
It will roll straight down a slope.
100
An object placed on a ramp will roll down because of ________.
gravity
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, and may be called a ramp, is a ___________.
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
A wheel and axle system that has different size wheels will a) roll straight down a ramp b) wobble down a ramp c) turn toward the smaller wheel
c) turn toward the smaller wheel
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
Axle/Axis
500
Two wheels will roll straight down only if they are connected by an axle, also known as an axis or __________________
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