More cards in this set

Card 6

Front

Why do stars expand into red giant stars?

Back

Preview of the front of card 6

Card 7

Front

How are planets formed?

Back

Preview of the front of card 7

Card 8

Front

What will a red giant star become next?

Back

Preview of the front of card 8

Card 9

Front

What is nuclear fusion?

Back

Preview of the front of card 9

Card 10

Front

Why does our solar system contain heavier elements than helium

Back

Preview of the front of card 10