3. Air is omnipresent.
Air is all around us.
We can feel the air in the
“wind”
We can not grab the air, or
hold the air.
4. Air surrounds the earth.
In what we call,
the Atmosphere.
We breathe and use
the air inside this…
Atmosphere.
5. Did you know: the
Air we breathe
is 21% oxygen,
78? Nitrogen and
1% other gases
6. Where is air found?
Atmosphere: layers surrounding
the planet
Soil and rocks / other things: Small
“pockets” of air are inside soil and
rocks.
Water: in the ocean, rivers and lakes.
Living things: animals and plants use
air to breath.
7. What we need.
Sponges
Plastic bags
Water
A sink or bucket
Worksheet
Pen or pencil
8. Experiment 1
Sponge and bucket:
Put the sponge in the
water and THEN
squeeze.
See how much air comes out
(bubbles)
10. Let’s try with our plastic bags.
Experiment 2
1. We try outside the
water.
2. We try inside the
water.
11. Do you see any bubbles?
Bubbles are the air,
you see underwater.
12. Notebook time!
Grab your notebook and write
down these important words:
Invisible: can not see
Omnipresent: Everywhere,
all around us.
Bubbles: air in a liquid (like
water)
