Air Basics
What do all living things need to stay alive?
Air
What is dirty air called?
Air pollution
Which is better for clean air: walking or driving a car?
Walking
What is wind?
Moving air
What can wind turbines make?
Electricity
Which gas is most common in air?
Nitrogen
Which of these can make air dirty: smoke or clean water?
Smoke
What should we do with garbage instead of burning it?
Throw it away properly / do not burn it
What happens to warm air?
It rises
Does wind energy make dirty smoke?
No
Which gas do people breathe in to stay alive?
Oxygen
Name one thing that can cause air pollution.
Cars, factories, burning garbage, wildfires, or dust
How can trees help the air?
They make oxygen and reduce carbon dioxide
What moves down to replace warm air?
Cool air
What makes a wind turbine spin?
Wind
What is the layer of air around Earth called?
The atmosphere
How can air pollution hurt people?
It can cause breathing problems / hurt the eyes, nose, and throat
What can people use instead of driving for a short trip?
Walk or ride a bicycle
Why does wind happen?
Air moves because of temperature differences
Why is wind energy called clean energy?
It can make electricity without harming the environment
Air is mostly nitrogen and oxygen. Which gas makes up about 21% of air?
Oxygen
Why can too much dust in the air be dangerous?
It can make breathing difficult and cause sickness
Give two ways people can help reduce air pollution.
Examples: walk, ride a bicycle, use public transportation, plant trees, or do not burn trash
If one place has hot air and another has cool air, what happens to the air?
Warm air rises and cool air moves in to replace it
Name two ways people use wind in everyday life.
Drying clothes, moving air through houses, sailing, windsurfing, or carrying seeds