Light Behavior

What are the two types of waves mentioned in the video?

• Longitudinal and circular

• Transverse and longitudinal

• Light and sound

• Radio and sound

Tags

NGSS.MS-PS4-1

What is reflection?

• When waves change direction

• When waves are absorbed

• When waves bounce off an object

• When waves pass through a material

Tags

NGSS.MS-PS4-2

Why do we hear echoes?

• 
  Sound waves travel in a straight line

• Sound waves bounce off walls

• Sound waves are absorbed by soft surfaces

• Sound waves travel twice the distance

Tags

NGSS.MS-PS4-2

What happens to light when it hits a white object?

• It is absorbed

• It is reflected

• It disappears

• It refracts

Tags

NGSS.MS-PS4-2

What determines how waves behave when they hit different materials?

• The color of the materials

• The speed of the waves

• The type of waves

• The material's density

Tags

NGSS.MS-PS4-2

What is the result of waves changing speed at the boundary between two substances?

• Reflection

• Refraction

• Absorption

• Diffraction

Tags

NGSS.MS-PS4-2

What phenomenon explains why a straw looks bent in a glass of water?

• Reflection

• Refraction

• Diffraction

• Absorption

What effect does adding curtains and furniture have on sound waves?

• It amplifies the sound waves

• It reflects sound waves

• It absorbs sound waves

• It refracts sound waves

Tags

NGSS.MS-PS4-2

What causes diffraction?

• When waves bounce back

• When waves pass through a gap

• When waves change their speed

• When waves scatter

Tags

NGSS.MS-PS4-2

The blue color of the sky is due to which wave behavior?

• Absorption

• Reflection

• Diffraction

• Scattering