SCIENCE 8-ELECTROMAGNETIC
NAME: aniyah boyd
3)
Vocabulary
Electromagnetic radiation
Electromagnette spectrum-
Frequency
5)
Gamma-raye.
Infrared-waves
Microwaves
1) The electromagnetic spectrum
electromagnetic radiation.
2) Light is classified as
magnetic fields vibrate in a light wave.
Use your notes from pages 9-10 and the terms in the vocabulary box to fill in the blanks for the
following nine questions. You will not need to use every term.
represents the different forms of
example of this is light.
4) Heat radiation, also known as infrared
your eyes but can be felt by your skin.
Microwaves are one type of.
Radio waves
Radiant energy
Radio waves
-Ultraviolet rays
9) An overexposure to
skin cancer.
Visible light
Wavelength
X rays
waves
because electrical and
is energy that travels by radiation. An
6)
7) Because gamma rays
electromagnetic radiation, they are the most damaging to human tissue.
cannot be seen by
can be used to communicate with satellites.
have the highest energy of all
8) Compared to all other types of electromagnetic radiation, radio waves have the lowest
frequency
ultraviolet rays
10) Why does an empty plate not heat up in the microwave?
Microwaves heat food by water moclues, an a
-plate lacks those moclues.'
can result in sunburns and
a empty
1) Why should you use sunscreen and a hat when you are out in the Sun?
Sunscreen and hats protect againt harmful UV
radiation, reducing the risk of suhburn and
skin cancer.