The Sun & Planets

Front

What is the main source of energy for the solar system?

Back

The Sun is the main source of energy for the solar system.

Front

What is the closest star to Earth?

Back

The Sun is the closest star to Earth.

Front

What is the process called when hydrogen atoms fuse to form helium?

Back

Nuclear fusion.

Front

What is a solar flare?

Back

A brief burst of energy from the Sun's photosphere.

Front

True or False: The distance between all planets in the solar system is the same.

Back

False.

Front

What are the two main types of planets in our solar system?

Back

Terrestrial planets and gas giants.

Front

Name the four terrestrial planets in our solar system.

Back

Mercury, Venus, Earth, Mars.

Front

What are gas giants?

Back

Gas giants are large planets that are primarily composed of hydrogen and helium.

Front

What is the largest planet in our solar system?

Back

Jupiter.

Front

What is the role of the Sun's core?

Back

The core is where nuclear fusion occurs, producing energy.