Energy & Astronomy Review

Place the astronomical objects from largest to smallest
Star, Planet, Moon, Galaxy
Galaxy, Star, Planet, Moon
Asteroid, Planet, Star
How many total digits in a number with the order of magnitude 10^8?
8
10
9
I have to see the number first
The products of Nuclear Fusion are:
Heat and Hydrogen
Thermal Energy
Helium and Boron
Heat and a heavy element like Helium
An atom has these particles at its center:
protons, neutrons, electrons
protons and neutrons
electrons and protons
2 possible endings in a star's life:
A heavy star ends as a Black hole, a light star ends as a Supernova
A heavy star ends as a Black hole, a light star ends as a comet
It can go through Nuclear Fusion or Nuclear Fission
What type of energy is the energy of light?
chemical
electromagnetic
thermal
kinetic
Walking up steps increases your _____________ energy.
Nuclear
Thermal
Gravitational potential
chemical
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