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4th Grade Energy - pgs 32 - 123

Not all words are used , and there are not review ones on here this time.  Thanks.
Across
A property of sound that Bell used this and the idea of telegraph to create the telephone
Distance between the center of two troughs
Standard unit of force
The motion of a wave going up and down
Magnet that can be turned on or off
Take in
The height of a sound wave
Using force to change how fast or slow something goes
Wave ____ is the top of the wave
Travel faster and faster
Pulling force that pulls towards the center of the earth
High or lowness of the electrical pulses sent
Energy that is motion
Bending of light
Light bouncing off a surface
Down
When magnets push away and the two poles are the same that are facing each other
Electric current to produce motion
Wave ____ is the bottom of the wave
Oil, coal, and natural gases that started as living organisms and died and got buried deep underground
A way to make electricity speak
Translates clicks into words
An object that attracts or sticks to magnetic objects
Energy of position
A action that causes an object to move or be in motion like a push or a pull
When magnets pull towards each other and have opposite poles
The metal that magnets are attracted to
Switch for a telegraph