| A | B |
| Where does the Sun use nuclear fusion to make energy? | In the Core |
| What is the fuel that all stars use for energy? | Hydrogen |
| What is the process called where the Sun makes energy? | Fusion (nuclear fusion) |
| What happens in a fusion reaction? | Hydrogen + Hydrogen go together to make Helium (fusion) |
| What is product that is made in fusion? | Helium |
| If you see a star with a lot of helium, what do know about that star? | That star is about out of energy |
| Is our Sun best called a planet, a star or a Moon? | Our Sun is a star |
| What are the darker, colder spots on the Sun called? | Sunspots |
| What do you call large loops of gas on the surface of the Sun? | Prominences or solar flares |
| What part of the solar system has 99.8% of the mass? | The Sun |
| What body is the true center of our solar system? | The Sun (that's why it's called the SOLAR system!) |