Light & Sound Quiz

All sound is made by _____________

• electricity

• vibrations

• reflections

• refractions

Mrs. Finn is plucking a rubber band to make sounds. How can she change the pitch?

• pluck the rubber band harder

• pluck the rubber band faster

• stretching the rubber band or less tightly

• move farther away from the rubber band

True or False

Light and sound both are forms of energy and travel in waves.

• True

• False

The frequency of sound waves determine_________

• Pitch

• Amplitude

• Energy

• Volume

What is the distance between sound waves called?

• Trough

• Crest

• Wavelength

• reflection

Sound travels the FASTEST through _______

• solids

• liquids

• gas

What do troughs in sound waves measure?

• the wavelength

• the amplitude

• the wave height

What is reflection?

• Light waves that bend or refract

• a curved lens

• Light waves that bounce or reflect

• refers to how tightly the string is

What is refraction?

• light waves that bend or refract

• the thickness of a string

• light waves that bounce or reflect

• the height of a sound wave

Which object reflects the most light?

• piece of paper

• mirror

• table

• glass