Humans breathe air.
What is the chemical formula of the molecule in air that we need to live?
O 2
How many biomes did we learn about?
6 Biomes
What does therm mean?
H e a t
Say and spell the type of cloud shown in the picture:

C i r r u s
Which gas in the air we breathe makes up most of the troposphere?
N i t r o g e n (N2) 78% of our air
What do green plants take in ("breathe") ?
Carbon dioxide.
C O2
Spell the name of this biome:

T u n d r a
What does meso mean?
M i d d l e
Say and spell the type of clouds shown in the picture:

C u m u l u s
What percent of the air we breathe is O2?
About 21%
What is the name of the process where water warms up and turns into a gas?
E v a p o r a t i o n
Spell this 2 - word biome:

Temperate Forest
Name something you might find in the thermosphere.
- Space shuttle
- Space station
- Northern Lights (Aurora Borealis)
What type of cloud is this?

C u m u l o n i m b u s
What is the name of the process where water vapour cools down, turns into very small water droplets, and forms a cloud?
C o n d e n s a t i o n 
Explain the Greenhouse Effect?

Sunlight warms our planet. Too many gases in the atmosphere (like CO2), trap the sun's warmth, leading to climate change.
Name the biome that mainly contains the types of trees in the picture AND name the general type of tree. (Use a word other than "pine needles.")

Biome: Boreal Forest
Tree: Conifer or Coniferous
Name all 5 layers of the atmosphere
in order from the ground up to space.
5)- Exosphere
4)- Thermosphere
3)- Mesosphere
2)- Stratosphere
1)- Troposphere
What two types of clouds more-or-less guarantee precipitation?
1)- Cumulonimbus
2)- Nimbostratus
What is the NAME of the process green plants use to make their own food AND what 3 things do they need to do it?
P h o t o s y n t h e s i s
- CO2
- H2O
- Sunlight
What is the name of the process for when a plant "sweats" out water vapour through its leaves?
T r a n s p i r a t i o n
Spell the biome we live in.

T e m p e r a t e
Inside the stratosphere, what does the ozone layer layer do?
Protects us from the sun's dangerous solar radiation.
Spell the name of this cloud:

C u m u l o n i m b u s
This rain cloud hangs much lower in the troposphere. Spell it!

N i m b o s t r a t u s