Light & Sound REVIEW

_____ are back-and-forth movements of an object.

• sounds

• vibrations

• lights

_____ is the highness or lowness of a sound

• pitch

• sound

• a wave

Volume is measured in _____.

• pitch

• high pitch

• decibels

Define frequency:

• the number of vibrations that happen over time

• waves that move side to side

• how loud a sound is observed

Tags

NGSS.MS-PS4-1

Which kind of matter does sound travel through the slowest?

• solid

• liquid

• gas

Tags

NGSS.MS-PS4-2

What type of material is pictured?

• opaque

  (oh, no you CAN'T see through it)

• transparent

  (your parent lets you see through it)

• translucent

  (you can loosely see through it - blurry/fuzzy)

A _____ is a transparent material that separates white light into its component colors (something that makes a RAINBOW and it is NOT Lucky Charms).

Tags

NGSS.MS-PS4-2

What is being pictured?

• reflection

  (bounces back at you)

• refraction

  (bent or broken)

• rainbow

  (ROY G BIV)

Tags

NGSS.MS-PS4-2

What type of material is pictured?

• opaque

  (oh, no you CAN'T see through it)

• transparent

  (your parent lets you see through it)

• translucent

  (you can loosely see through it - blurry/fuzzy)

Tags

NGSS.MS-PS4-2

When light shines through a prism it creates a ________________

• colors

• spectrum

• electromagnetic wave

Tags

NGSS.MS-PS4-2