Science Unit 4 Flashcards
In the visible spectrum, which color has the longest wavelength and shortest wavelength?
longest - red
shortest - violet/blue
What can ultraviolet light cause?
sunburn and cancer
_______ is a source of heat and used to discover heat differences.
Infrared light
Which part of the electromagnetic spectrum would you use to reheat leftover pizza?
Microwave
Which part of the electromagnetic spectrum do you use to see different colors around you?
Visible light
Which part of the electromagnetic spectrum is used to treat cancer with radiation therapy?
Gamma Ray
What kind of waves do cellphones use?
Radio Waves
We protect ourselves from these waves using sunscreen and sunglasses to avoid getting skin cancer and cataracts.
UV rays
Which waves are emitted from tv remote controllers and heaters?
infrared
______ make pictures of the inside of solid objects.
X- ray waves
The waves in order.
Radio, Microwave, Infrared, Visible light, Ultra violet, X-ray, Gamma rays
The highest part of a wave is called a ___________ .
The Crest
The lowest part of a wave is called the _________ .
Trough
waves used for night vision and heat
infrared
What happens to the wavelength as the frequency wave increases?
The wavelength decreases
