Reflection of Waves

What are echoes?

Sounds that are _______ from a hard surface.

• absorbed

• reflected

• propagate

Tags

NGSS.MS-PS4-2

Tick ALL areas where echoes can be heard.

• Cave

• Field

• Tunnel

• A closed hall

Tags

NGSS.MS-PS4-2

When a wave bounces off a surface.

• Crest

• Transverse

• Reflection

• Wavelength

Tags

NGSS.MS-PS4-2

____________occurs when a wave bounces off a surface that it cannot pass through.

• Reflection

• Refraction

• Constructive Interference

• Destructive Interference

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

​ (a)   is the return of a wave from a surface.

• reflection

• refraction

• opaque

Tags

NGSS.MS-PS4-2

When a wave bounces off of something and moves in a different direction (a)  

• reflection

• refraction

• absorption

• propagation

Tags

NGSS.MS-PS4-2

The law of reflection states that the​ (a)   is ​ (b)   the ​ (c)  

• angle of reflection

• equal to

• angle of incidence

• angle of refraction

• greater than

• less than

Tags

NGSS.MS-PS4-2

According to the Law of reflection, a light ray striking a mirror

• continues moving through the mirror in the same direction

• moves into the mirror at a slightly different angle

• bounces off the mirror toward the direction it came from

• bounces off the mirror at the same angle it hits.

Tags

NGSS.MS-PS4-2

What's the relationship between the angle of incidence and the angle of reflection?

• The angle of incidence is greater.

• 
  

  The angle of reflection is greater.

• 
  They are the same.

When Mr. Sunshine yells his name in a cave, the sound reflects off the walls of the cave and travels back to his ears. What is this called?

• absorption

• echo

• frequency

• refraction

Tags

NGSS.MS-PS4-2