A huge ball of very hot matter that gives off energy.

Stars shine because processes in the stars produce huge amounts of _________________.

Without the Sun, Earth would be very ____________.

______________ means "the way something looks".

Which of the following are characteristics of the sun?

Stars that are hotter are ___________________ than stars that are not as hot.

The sun is the closest _________ to the Earth.

A __________ year is the distance light travels in one year.

What are two things Earth and the Sun both have in common?

The Sun is the largest star in the solar system.