The Electromagnetic Spectrum (P1.2) Flashcards
1
Q
What are ultraviolet waves?
A
Invisible rays just beyond violet.
2
Q
What is infrared?
A
Electromagnetic radiation which we can feel as heat.
3
Q
What is electromagnetic radiation?
A
A form of energy transfer including the spectrum waves
4
Q
What speed do electromagnetic waves travel at?
A
300,000 km/s
5
Q
What is the electromagnetic spectrum?
A
The full range of electromagnetic waves.
6
Q
What can too much infrared radiation do?
A
Damage or destroy cells, causing burns to skin.
7
Q
What can too much exposure to UV do?
A
Damage skin cells so much it leads to skin cancer.
8
Q
What does radioactive mean?
A
Any material that gives out radiation.
