Unit 1.4 - Sound and LIGHT Waves REVIEW

SOUND waves travel fastest through___________(solids, liquids, gases, or vacuum (no air))

• Liquids

• Solids

• Gases

• Vacuum (no air)

Tags

NGSS.MS-PS4-2

LIGHT waves travel fastest through___________(solids, liquids, gases, or vacuum (no air))

• Vacuum (no air)

• Solids

• Liquids

• Gases

Tags

NGSS.MS-PS4-2

Light is ____________________ when it BOUNCES off of a substance.

• Reflected

• Refracted

• Absorbed

Tags

NGSS.MS-PS4-2

When light BENDS after entering a different substance it is  ___________________________. 

• Reflected

• Refracted

• Absorbed

Tags

NGSS.MS-PS4-2

When light does not leave a substance it is  ________________________ by that substance.

• Reflected

• Refracted

• Absorbed

Tags

NGSS.MS-PS4-2

COLORS are visible when they are __(1)___ off of a substance.  Any colors that we do not see are __(2)___

• (1) REFLECTED

  (2) REFRACTED

• (1) REFLECTED

  (2) ABSORBED

• (1) ABSORBED

  (2) REFLECTED

• (1) REFRACTED

  (2) ABSORBED

Tags

NGSS.MS-PS4-2

Look at the example picture below.  It shows all 7 colors of the spectrum interacting with a solid opaque object:  (Red, Orange, Yellow, Green, Blue, Indigo, Violet)

Based on this diagram of light hitting an object which color or colors would you see?

• Yellow, Blue and Violet

• Orange, Yellow, Green, Blue, Indigo, Violet

• No colors would be visible

• Red only

Tags

NGSS.MS-PS4-2

Look at the example picture below.  It shows all 7 colors of the spectrum interacting with a solid opaque object:  (Red, Orange, Yellow, Green, Blue, Indigo, Violet)

Based on this diagram of light hitting an object Which color or colors would you NOT see?

• Yellow, Blue and Violet

• Orange, Yellow, Green, Blue, Indigo, Violet

• No colors would be visible

• Red only

Tags

NGSS.MS-PS4-2

The image shows what we did in class with the object in the cup of water.  Why does it appear this way?

Light travels _______________  (faster,slower) in the water compared to the air. 

• FASTER

• SLOWER

Tags

NGSS.MS-PS4-2

The image shows what we did in class with the object in the cup of water.  Because of the different speed light is ______________ (absorbed, reflected, refracted) and the pencil looks different.

• Reflected

• Absorbed

• Refracted

Tags

NGSS.MS-PS4-2