Test

Which wave has the largest wavelength?

• A
• B
• C
• None (same wavelength)

Which wave has the largest frequency?

• A
• B
• C
• None (same frequency)

how fast do electromagnetic waves travel through the vacuum of space?

• they don't

• 250,000,000 m/s

• the speed of light

• 100mph

what affects the speed of a wave?

• the medium it travels through

• amplitude

• plasma

what is a wave?

• A disturbance that transfers energy from one place to another

• A disturbance that transfers matter from one place to another

• energy that makes particles move

• any type of matter that vibrates back and forth

the top or high point of a wave is called?

• crest

• crown

• trough

• gutter

the bottom or low point of a wave is called?

• crest

• crown

• trough

• gutter

what kind of waves need a medium to travel through?

• electromagnetic waves

• mechanical waves

• surface waves

• particle waves

what kind of waves do NOT need a medium to travel through?

• electromagnetic waves

• mechanical waves

• surface waves

• particle waves

sound is caused by

• vibrations

• magic

• the speed of light

• reflection