Magnetism and Electromagnetism

How many different kinds of photoreceptors do we have in our eyes?

• 1

• 2

• 3

• 4

What do we call the part of the electromagnetic spectrum that we can see?

• Gamma waves

• UV waves

• Microwaves

• Visible light waves

How many different categories are there in the electromagnetic spectrum?

• 2

• 5

• 7

• 9

Which photoreceptor detects color?

• Rod photoreceptors

• Cone photoreceptors

• Periferie photoreceptors

• Lense photoreceptors

How would you measure a wavelength of light?

• Crest to crest

• Trough to trough

• crest to trough

• trough to crest

What would happen if you place the north pole of a magnet next to another north pole of a different magnet?

• They would attract

• They would repel

• There would be no affect

• One magnet would break

Tags

NGSS.MS-PS2-3

True or False

In the northern hemisphere, you if allow a magnet to swing freely it will always point north.

• True

• False

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

How many magnetic poles does every magnet have?

• 1

• 3

• 4

• 2

The two magnetic poles on any magnet are always ______ and ______.

• North and West

• South and East

• North and South

• South and South

True or False.

If you place a south magnetic pole next to a north magnetic pole they will repel one another.

• True

• False

Tags

NGSS.MS-PS2-3