Light waves

light waves travel with and without media

• True

• False

Tags

NGSS.MS-PS4-2

Do electromagnetic waves or mechanical waves always require a medium

• Electromagnetic

• Mechanical

Do mechanical waves (such as sound) travel faster through gasses or solids?

• Solids

• Gasses

Tags

NGSS.MS-PS4-2

If you can see a blurry or shadowy shape through a medium how is the medium described? (opaque,

transparent, translucent, transient

• Transparent

• Opaque

• Translucent

• Transient

Tags

NGSS.MS-PS4-2

What does it mean for light waves to be transmitted by a material?

• Light passes all the way through ( transparent)

• Light passes halfway through ( translucent)

• No light passes through ( opaque)

Tags

NGSS.MS-PS4-2

If light waves do not appear to be transmitted through a solid, what is happening to most of the waves?

(absorbed, reflected, refracted?)

• Reflected

• Absorbed

• Refracted

Tags

NGSS.MS-PS4-2

What is it called when light waves bend due to changing media?

• Refraction

• Reflection

• Absorption

Tags

NGSS.MS-PS4-2

If waves are smaller in amplitude after passing through a material, what happened to the waves?

(absorbed, reflected, refracted?)

• Absorbed

• Reflected

• Refracted

Tags

NGSS.MS-PS4-2

What is the difference between transparent and opaque materials?

• Opaque materials allow all light to be transmitted – transperent materials do not

• Transparent materials allow all light to be transmitted – opaque materials do not

• Transparent materials allow some light to be transmitted – opaque materials do not

Tags

NGSS.MS-PS4-2

Which colors are absorbed if a color appears white?

• None- all colors are reflected

• All colors are absorbed

• Some colors are absorbed

Tags

NGSS.MS-PS4-2