Chemistry
The first element on the periodic table
Hydrogen
Coal is a ___ resource
Non-renewable
The type of energy when something is moving
Kinetic
Energy that travels through space in the form of waves
Radiation
The theory that explains that the universe was made 13 billion years ago and still expanding
The Big Bang Theory
What is the category with the most of it on the periodic table?
Metals
What does almost all of our energy come from?
The sun
A rubber band is what kind of energy
Elastic (potential)
The shortest wavelengths are ____waves
Radio
The process of molecules combining, such as in the sun, to produce energy
Fusion
What is the category for the 8th row in the periodic table?
Nobel gases
What is solar wnergy used for
Watches, calculators, solar panels, etc.
An apple has ___ energy
Chemical/Caloric
The distance between two crests on a light wave is
Wavelengths
What stage is our sun in
Main sequence
Bond of two elements combining
Covalent
What is a carbon footprint?
The impact our activities have on the enviornment
How are frequency and wavelength related?
They are inversely proportional (opposites)
The only wavelengths we can see are
Visible light
What comes after the main sequence in stars
Red giants
Sodiums abbreviation on the periodic table
Na
FREE POINTS
500
What is the hottest color when reffering to light waves on a star?
blue-white
Refraction
The chart that shows a stars heat, luminosity, and age
The Hertzprung-Dussel diagram