Earth’s atmosphere and air
Answers are for parents and teachers.
1
Write 3 observations proving air exists (for example, balloon, wind).
For example: blown-up balloon, wind, bubbles in water
2
Blow up a balloon and squeeze it to feel the air pressure. What did you notice?
The balloon pushes back; air presses.
3
Count 5 trees or plants in the yard and write what they give to the air.
Oxygen
4
Write 3 things you can do to keep the air clean.
For example: plant trees, do not burn rubbish, walk