The Sun & Comets

This is the final layer of the sun's atmosphere. It appears as a halo around the moon during a solar eclipse. 

• Crown
• Corona
• Photosphere

The layer of the sun's atmosphere that gives off the visible light we see is the 

• Corona
• Chromosphere
• Photosphere
• Convection zone

The tail of a comet points towards the sun

• True
• False

Which shows these according to age, oldest to youngest?

• Moon, Earth, Sun
• Sun, Earth, Moon

This gas makes up 78% of the atmosphere on Earth.

• oxygen
• nitrogen
• ozone
• carbon dioxide

Sometimes called "dirty snowballs".

• asteoids
• meteoroids
• comets
• meteors

What causes meteors to burn up in our atmosphere?

• Heat from the Sun
• Heat from Earth's atmosphere
• They are already so hot that our atmosphere can't handle it
• Friction

Takes two small nuclei and combines them into a larger nucleus

• fission
• fusion

Where does fusion occur naturally?

• Underwater
• All around us
• In the radioactive waste
• On the sun

Center of the sun where the nuclear fusion occurs

• Core
• Corona
• Chromosphere
• Convection Zone