More cards in this set

Card 6

Front

What percentage of oxygen is in the Earth atmosphere?

Back

Preview of the front of card 6

Card 7

Front

What percentage of carbon dioxide is in the Earth atmosphere?

Back

Preview of the front of card 7

Card 8

Front

What is the 4th planet away from the sun?

Back

Preview of the front of card 8

Card 9

Front

Is the sun a palnet or a star?

Back

Preview of the front of card 9

Card 10

Front

What is the percentage of water on Earth?

Back

Preview of the front of card 10