Sounds
Lights
Electricity
Magnets
Electromagnetism
100
To move rapidly back and forth
What is Vibrate
100
Small bundle of energy that make up light
What is Photons
100
The flow of Electrons
What is Electricity
100
To push apart
What is Repel
100
The relationship between magnetism and electricity
What is Electromagnetism
200
A unit that measures the intensity of a sound
What is Decibel
200
A mirror that curves in the middle
What is Concave mirror
200
The unit used to describe how much electric current flows through a wire
What is Ampere
200
The end of the magnet, where magnetic forces are greatest
What is Magnetic pole
200
A temporary magnet made by passing a current through a wired wrapped around an iron core
What is Electromagnet
300
The number of vibrations per second of a sound wave
What is Frequency
300
The band of colors that make up white light: the colors in the rainbow
What is Visible spectrum
300
An incomplete or broken path for electric current
What is Open current
300
Area around a magnet in which magnetic forces can act
What is Magnetic field
300
A device that converts electrical energy to mechanical energy
What is Motor
400
A method of using sound to measure distances under water
What is Sonar
400
The bending of a light wave as it moves from one material to another
What is Refraction
400
A circuit in which all current flows through a single path
What is Series circuit
400
Lines that show a magnetic field
What is Lines of force
400
When the current is turned on, the electromagnets picks up pieces of what from piles of scrap
What is Metal
500
A technique that uses sound waves to study organs inside the human body
What is Ultrasound
500
A lens that is thick in the middle and thin at the edges
What is Convex lens
500
A unit to measure how much electric energy is used; it is 1,000 watts used in one hour
What is Kilowatt-hour
500
An object that attracts certain kinds of metals, such as iron
What is Magnet
500
when current is supplied to the electromagnet, each pole of the electromagnet is attracted to what pole of the permanent magnet
What is opposite
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