GASES

• Oxygen
• Carbon Dioxide
• Helium
• Nitrogen
• Argon

OXYGEN

OXYGEN

Properties of Oxygen

Oxygen is essential to human life, it is found in the air we breathe and the water we drink.

USES OF OXYGEN

• We use oxygen to breathe
• It also used in welding and as rocket fuel.

CARBON DIOXIDE

Untitled Slide

CARBON DIOXIDE

Properties of carbon dioxide

Carbon dioxide is needed by plants when they make food (during photosynthesis).
All living organisms breath out carbon dioxide when they make energy (from food).

USES OF CARBON DIOXIDE

• Carbon dioxide is the gas in fizzy drinks.
• It is also used in fire extinguishers.

HELIUM

Properties of helium

There is a small amount of helium in the air.
It is a very light gas and is used in balloons to help them float

USES OF HELUIM

• In balloons to help them float