Layers of the Sun

Where does nuclear fusion occur?

• Space
• Radiation Zone
• Photosphere
• The Core

What is the sun mostly made up of

• Helium
• Core
• Carbon
• Hydrogen

the distance light travels in one Earth year; about 9.5 trillion km

• galaxy
• universe
• light-year
• corona

What layer can be seen here?

• chromosphere
• corona
• photosphere
• core

When we look at the sun, what layer are we viewing?

• photosphere
• chromosphere
• corona
• convection zone

In which area of the sun does gas rise as it heats up, then fall back down as it cools?

• the core
• the radiation zone
• the convection zone
• the corona

Energy is created in the core when two _____________ atoms join together to form a ______________ atom.

• helium, hydrogen
• carbon, hydrogen
• nitrogen, helium
• hydrogen, helium

Nuclear fusion is when

• the nuclei of two atoms join to produce lots of energy
• the nuclus of a large atom splits to release lots of energy

Label part 6

• #6 Prominences
• #6 Corona
• #6 Sunspots
• #6 Photosphere

Label part 1

• #1 Core
• #1 Radiation zone
• #1 Convection zone
• #1 Photosphere