Waves Behavior & Properties

Refraction occurs when waves enter a new ​ (a)   and change ​ (b)   .

• medium
• speed
• obstacle
• air
• solid
• liquid
• gas

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

What type of wave behavior is pictured above?

• Refraction
• Reflection
• Absorption
• Diffraction

Tags

NGSS.MS-PS4-2

What type of wave behavior is pictured above?

• Refraction
• Reflection
• Absorption
• Diffraction

Tags

NGSS.MS-PS4-2

What type of wave behavior is pictured above?

• Refraction
• Reflection
• Absorption
• Diffraction

Tags

NGSS.MS-PS4-2

What is the definition reflection?

• The bending of waves as they enter a new medium

• Bouncing back of waves from a surface that it can’t pass through

• The bending of waves as they pass through openings or around corners

• When two interfering waves have a displacement in the same direction, two crests and two troughs overlap. Increased amplitude.

Tags

NGSS.MS-PS4-2

What is the definition of Refraction?

• The bending of waves as they enter a new medium

• When two interfering waves have a displacement in the opposite direction, crest and trough overlap. Zero amplitude.

• When two interfering waves have a displacement in the same direction, two crests and two troughs overlap. Increased amplitude.

Tags

NGSS.MS-PS4-2

What is the definition of Diffraction?

• The bending of waves as they enter a new medium

• Bouncing back of waves from a surface that it can’t pass through

• When two interfering waves have a displacement in the opposite direction, crest and trough overlap. Zero amplitude.

• The bending of waves as they pass through openings or around corners

Give an example of Diffraction.

• Water droplets act as prisms to separate white light into the ROYGBIV spectrum

• Decreased amplitude of the sound wave means softer sound

• the smaller the opening the more diffraction, light waves are so small you will have little diffraction.

• hearing the bass of the music through the openings in a car (longer wavelengths)

Tags

NGSS.MS-PS4-2

Which of the following represents refraction?

• A
• B
• C
• D

Tags

NGSS.MS-PS4-2

Refraction occurs when _____________

• the wave's speed changes by entering a new medium
• a wave bounces off of a boundary
• waves parts meet each other
• waves bend around a barrier

Tags

NGSS.MS-PS4-2