November 29th Weekly Science Quiz

In Monday's inquiry activity, what happened when you plucked the rubber band with a lot of force?

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How do you think the device makes a sound?

• The rubber band vibrates when you pluck it.

• The cup shakes and moves the rubber band.

• The ruler and cup make the rubber band move.

The substance through which waves travel is called the medium. Which of these are examples of a medium? (Choose all that are correct)

• solids

• liquids

• gases

What does a solar cell do?

• It makes electricity from sunlight.

• It makes sound from the sun.

• It stores water.

What are sound waves made from?

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Which of these is an example of vibration that produces sound?

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Which of these is an example of a longitudinal sound wave?

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Read this passage from page 32:
"Although light is a wave of energy, it also consists of particles. Light travels as tiny particles of energy. It can travel with or without a medium. Nothing travels faster than light in a vacuum. Light moves slowly in media like air and gas."

True or false: Light needs a medium to travel.

• True

• False

What do you call the different forms of radiation all together (p. 33)

• the electromagnetic spectrum

• solar cells

• radio waves

How much of the electromagnetic spectrum can we see with our eyes?

• all of it

• none of it

• a small part of it