We can use air to ________________.
Dry or style hair
Air has shape (Yes or No)
No. Air has no fixed shape
The Earth is surrounded by air which is called __________________
the atmosphere
Air is a mixture of gases such as _________, oxygen, carbon dioxide and some rare gases.
nitrogen
All living things need ______________ to breathe.
oxygen
Air support burning (Yes or No)
Yes
Windmills can be used to produce _________________.
electricity
Sailboat needs _____________ to move.
wind
20% of air is _______________.
oxygen
Air has no color (Yes or No)
Yes
Air keeps us ________________.
warm
Plants need _________________ and sunlight to make food.
carbon dioxide
Moving air is known as ________________.
wind
Air doesn't have mass (Yes or No)
No. Air has mass