Astronomy
What is the term given to an exploding star?
Supernova
What causes stuff to hit the ground?
Gravity
What are the different colors of visible light?
Red, orange, yellow, green, blue, indigo, and violet light
What's the charge of a proton, neutron, and electron?
positive, neutral, and negative
Of the four Galilean moons, which orbits Jupiter the closest?
IO
What is the name of a light particle?
Photon
What are the units of frequency?
hertz or 1/sec
What particles make up a nucleus?
protons and neutrons
How many zodiacs are there?
12 or 13
What is newton's second law?
F=ma, the sum of all forces equals mass times acceleration
What are x-rays used for?
View internal structures, open-ended.
How many electrons are in the first orbital?
2
How long does it take the Earth to complete one revolution?
approx. 365 days
What is momentum?
mass of motion
What color is the highest wavelength frequency? (In visible light)
violet light
What is the most abundant atom in the universe?
hydrogen
What is the name of the only moon with liquid lakes on its surface?
Titan
Where does sound travel faster; water or air?
water
If you mix all colors of light do you get black, white, or a rainbow?
White
If there are two forces going in the same direction how would you find the net force?
Add the forces together