light and color

Amplitude affects what aspect of light?

• color

• frequency

• brighness

What type of wave is light?

• electromagnetic

• mechanical

Why does a banana look yellow?

• it reflects yellow wavelengths of light and absorbs most other wavelengths

• it absorbs yellow wavelengths of light and reflects most other wavelengths

Which electromagnetic wave is most harmful?

• radio

• gamma

• ultraviolet

• microwave

High frequency EM waves equals____________

• more danger to humans

• less danger to humans

• does change amount of danger

Electromagnetic waves can travel through

• space

• a medium

• both

what is the correct order of the visible light spectrum?

• red, yellow, green, orange, blue, violet and indigo

• indigo, blue, violet, orange, yellow, green and red

• violet, blue, indigo, green, yellow, orange and red

• red, orange, yellow, green, blue, indigo and violet

When you see the color black...

• All colors are reflecting

• All colors are absorbed

• The color blacl is reflecting

• the color black is absorbed

Which of the following shirts would make you feel the warmest on hot, sunny day?

• red

• blue

• white

• black

Which of these EM is the least dangerous to humans?

• Radio

• MIcrowaves

• X-rays

• Gamma rays