Electricity & Waves Review

Electricity and Magnetism are governed by the same principle:

• Opposites and like charges attract

• Likes attract, opposites repel

• Opposites attract, like charges repel

• Sparky sparky

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Electricity is caused when these negatively charged particles are transferred from atom to atom, creating a charge.

• Protons

• Electrons

• Neutrons

• Bon bons

True or False: Alternating currents are better and more useful than Direct currents

• True

• False

Parallel circuits have ____ pathway, meaning they can keep lights running so long as one pathway is closed.

• Interlocking

• More than one

• Confusing

True or False: Magnets can be natural, you can find them in the ground.

• True: They're called lodestones

• False: All magnets are man-made

Waves are...

• Made up models and don't exist in real life

• Never transverse

• Fun ways to greet your friends

• Energy being transferred from place to place

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What's A (the top part of a transverse wave)?

• Peak

• Crest

• Peek

• Crown

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What's D (the distance between two crests)?

• Wavelength

• Amplitude

• Frequency

• Pitch

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What happens when light hits a surface and it disappears from our sight?

• It was reflected

• It was absorbed, and turned into a different type of energy

• It was refracted

• It was destroyed

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Electricity and magnetism are forces that can act on objects without touching them. This is due to electric and magnetic _____.

• Laws

• Particles

• Magic

• Fields

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