Earth Science - Unit 9: Astronomy

convective zone

3rd innermost

photosphere

4th innermost

chromosphere

5th innermost

core

Innermost

corona

Outermost

lower layer of the Sun's atmosphere

chromosphere

In which region of the Sun does energy move through circulating currents of gases?

convective zone

region within the Sun where energy moves through circulating streams of gas molecules

convective zone

In which layer of the Sun does hydrogen fusion occur?

core

Which region of the Sun has a temperature of about 15 million C?

core

center of the Sun where nuclear fusion occurs

core

What is the hottest layer in the Sun's atmosphere?

corona

What is the outermost layer of the Sun?

corona

outer layer of the Sun's atmosphere

corona

Which regions make up the Sun's atmosphere? Select all of the answers that apply.

corona chromosphere

Which region of the Sun is typically about 6,000 C?

photosphere

surface of the Sun

photosphere

In which region of the Sun does energy move as waves that transfer from atom to atom?

radiative zone

Which of the Sun's layers are most smaller stars missing?

radiative zone

middle layer of the Sun's interior

radiative zone

Which regions make up the Sun's interior and surface? Select all of the answers that apply.

radiative zone convective zone

Which two of the Sun's layers are often reversed in larger stars?

radiative zone convective zone