The Sun and Its Properties Review

Front

What are the two main elements that make up the Sun?

Back

Hydrogen and Helium.

Front

What is the classification of the Sun compared to Earth?

Back

The Sun is a star; Earth is a planet.

Front

Which layer of the Sun gives off a pinkish light?

Back

Chromosphere.

Front

In the convection zone of the Sun, where do rising currents of hot gas carry energy?

Back

Toward the Sun’s surface.

Front

How does the temperature and density of the Sun's interior change as you move away from the center?

Back

It generally becomes cooler and less dense.

Front

What is the outermost layer of the Sun's atmosphere called?

Back

Corona.

Front

What process powers the Sun and produces energy?

Back

Nuclear fusion.

Front

What is the approximate surface temperature of the Sun?

Back

About 5,500 degrees Celsius.

Front

What is the significance of sunspots?

Back

They indicate magnetic activity and can affect solar radiation.

Front

What is the main source of the Sun's energy?

Back

The fusion of hydrogen into helium in its core.