Wednesday light and sound energy review

When a rainbow is formed outside naturally, what causes the light to refract?

• A. Small raindrops
• B. Sunlight rays
• C. Tiny mirrors
• D. Glass prisms

Which explains why the fork looks different under water?

• light can't pass through the glass
• the wavelength of light lengthens
• the amount of light increases when going through water
• light is refracted at an angle

Tags

NGSS.MS-PS4-2

Which term means to bounce off the surface of something?

• Refract
• Absorb
• Reflect
• prism

Tags

NGSS.MS-PS4-2

You will see a flash of lightening before you hear the thunder that goes with it because-

• the eye is quicker than the ear
• thunder occurs much later than lightening
• sound travels faster through the  atmosphere than light
• light travels faster through the atmosphere than sound

How are light and sound ALIKE?

• Both travel as rays
• Both can vary in pitch
• Both depend on vibrations in air
• Both are forms of energy that travel as waves

The frequency of a sound wave determines it _________.

• amplitude
• energy
• pitch
• volume

_________materials allow some light to pass through, but some light is scattered.

• transparent
• translucent
• opaque
• concave

Tags

NGSS.MS-PS4-2

______materials do not allow light to pass through.

• opaque
• transparent
• translucent
• convex

Tags

NGSS.MS-PS4-2

A __________ separates white light into all the colors of the spectrum.

• concave lens
• convex lens
• prism
• mirror

When people speak their ________ vibrate.

• ear drums

• vocal chords

• ears

• tongue