Show:
Electromag.
Spectrum
Ozone
Solar Ovens
Electromag.
Radiation
This and That
100
The Longest waves on the electromagnetic spectrum.
What is Radio Waves
100
Each molecule of ozone contains __________ atoms of oxygen.
What is 3
100
This color is put inside a solar oven to help absorb heat.
What is black
100
Can heat food.
What is microwaves
100
Energy that comes from the sun
What is solar energy
200
These are the shortest waves on the spectrum.
What is Gamma Rays
200
The ozone layer _____________ the UV rays thus keeping them from harming us.
What is absorbs
200
The lid of a good solar oven does what with heat.
What is holds the heat in
200
These have the most energy.
What is gamma rays
200
All things you can see give off or _________ light waves
What is reflect
300
The part of the spectrum that we can see.
What is Visible.
300
Each ______ molecule can destroy as many as 10,000 ozone molecules.
What is CFC
300
Aluminum foil is placed on the open flap of the solar oven to what.
What is reflect or bounce the light into the box or oven
300
can cause sunburn
What is ultraviolet rays (UV)
300
The first people to use glass in homes to let in light and heat were the
What is ancient Romans
400
The number of different waves or rays on the spectrum.
What is 6
400
Ozone is odd because it can protect people when it's high in the atmosphere, yet ozone ___________ people when it's near the ground.
What is harms (kills)
400
What material is the lid of the solar oven made out of.
What is glass or plastic
400
have the longes wavelengths
What is radio waves
400
Scientists think that an increase inthe greenhouse effect will change the Earth's C____________
What is climates
500
The shorter the wavelength the ___________ energy there is.
What is more
500
Scientists and government leaders are working to _______ the use of CFCs because they destroy our ozone layer.
What is ban
500
The temperature needed to kill the bacteria present in foods we eat.
What is 75 C, or 167 F
500
made of different colors
What is visible light
500
During prehistoric times, early people probably lived near the mouths of caves because
What is sun keeping them warm