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Science 6 SY09/10

Gases in our atmosphere

Name the 2 most abundant gases in our atmosphere. Nitrogen & Oxygen
Between Nitrogen & Oxygen, which makes up most of our air? Nitrogen
What is the percentage % of Nitrogen in our air? 78%
What is found in proteins and needed for growth and repair of cells? Nitrogen
This gas exists in nature with 2 oxygen atoms. ( ) Oxygen
What has the chemical formula ? Carbon Dioxide
Without this gas, all fires would go out. This gas supports burning. Oxygen
Water in the form of a gas. Water Vapors
Plants must have this gas to produce food. Carbon Dioxide
Created by: glink