Air Pollution Basics
1. What is air pollution?
A. Clean air
B. Dirty air with smoke, dust, and harmful gases
C. Fresh rain
D. Strong wind
B. Dirty air with smoke, dust, and harmful gases
1. Which can cause air pollution?
A. Trees
B. Cars
C. Flowers
D. Rivers
B. Cars
1. Which is a natural disaster?
A. Flood
B. Playground
C. Rainbow
D. Mountain
A. Flood
1. What is El Niño?
A. A type of fish
B. A natural weather event
C. A mountain
D. A river
B. A natural weather event
1. Planting trees helps clean the air.
A. True
B. False
A. True
2. Breathing dirty air can make people sick.
A. True
B. False
C. Sometimes
D. Never
B. False
2. Which should NOT be burned?
A. Plastic
B. Leaves on trees
C. Water
D. Sand
A. Plastic
2. Too much rain can cause a ________.
A. Drought
B. Flood
C. Earthquake
D. Volcano
B. Flood
2. El Niño starts in the ________ Ocean.
A. Atlantic
B. Indian
C. Pacific
D. Arctic
C. Pacific
2. Which helps reduce air pollution?
A. Walking to school
B. Burning trash
C. Leaving lights on
D. Cutting trees
A. Walking to school
3. Greenhouse gases make the Earth ________.
A. Colder
B. Hotter
C. Smaller
D. Cleaner
B. Hotter
3. Which is NOT a source of air pollution?
A. Factories
B. Trucks
C. Forest fires
D. Clean wind
D. Clean wind
3. Climate change can make storms stronger.
A. True
B. False
C. Only in winter
D. Never
A. True
3. During El Niño, ocean water becomes ________ than usual.
A. Colder
B. Warmer
C. Frozen
D. Dry
B. Warmer
3. Using buses or trains is called public ________.
A. Transport
B. Factory
C. Pollution
D. Climate
A. Transport
4. Who is most at risk from air pollution?
A. Healthy trees
B. Young children
C. Rocks
D. Fish only
B. Young children
4. Name one harmful gas source mentioned in the lesson.
A. Cars
B. Factories
C. Burning trash
D. All of these
D. All of these
4. What happens during a drought?
A. Too much rain falls
B. No rain for a long time
C. Rivers overflow
D. Snow falls every day
B. No rain for a long time
4. Which problem can El Niño cause in some places?
A. Floods
B. Droughts
C. Wildfires
D. All of these
D. All of these
4. Name one way to save electricity at home.
A. Turn off lights when not needed
B. Leave lights on all day
C. Burn more wood
D. Use more plastic
A. Turn off lights when not needed
5. Give two effects of air pollution on people.
A. Cough and sore throat
B. Bigger muscles
C. Better eyesight
D. Faster running
A. Cough and sore throat
5. Why are greenhouse gases harmful?
A. They cool the Earth
B. They trap heat and warm the Earth
C. They make fresh air
D. They create rainbows
B. They trap heat and warm the Earth
5. Why does climate change make floods worse?
A. Warm air holds more water
B. Rivers disappear
C. Trees stop growing
D. Clouds become smaller
A. Warm air holds more water
5. How do scientists study El Niño?
A. Satellites and buoys
B. Microscopes only
C. Telescopes only
D. Cameras only
A. Satellites and buoys
5. Why is keeping the air clean important?
A. It keeps people, animals, and the Earth healthy.
B. It makes more pollution.
C. It causes more disasters.
D. It makes the weather hotter.
A. It keeps people, animals, and the Earth healthy.