McGraw-Hill Science Return to Book List
Frog Grade 1
 
Matter, Matter Everywhere
 
Gases
 
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    		• You can trap and feel air in a bag.
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    		• Air takes up space.
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    		• Air is made of different gases.
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    		• Gases have no size or shape of their own.
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    		• Gases spread out to fill all the space they can.
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    		• You cannot see most gases.
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    		• When the wind blows, you can feel air.
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    		• Air is made up of gases you breathe every day.