AIR PRESSURE!

• Air is all around us even though we can’t see or feel it.

• Air presses on our bodies with a great force. We don’t feel this because the air inside our bodies is pushing back equally hard.

• Air pressure is know as pneumatics and is very important.

WHAT DOES PNEUMATICS MEAN?

• The word Pneumatics comes from the Greek word Pneumatikos which means -wind or breathe.

• Pneumatics is movement by compressed or pressurized air.

WHO DISCOVERED THE IDEA OF PNEUMATICS?

• Pneumatics was discovered in the 17th century by a German physicist and engineer named Otto.

• He experiment with air and the idea of compressing it and invented the first air pump.

WHAT ARE SOME PNEUMATIC INVENTIONS?

• 1650- first air pump.

• 1870- Alfred beach made the first pneumatic subway in New York.

• 1888- John Dunlop invented pneumatic rubber tyres.

• 20TH century- jet engines and other types of machinery all started to use pneumatics.

WHERE DO WE SEE PNEMATICS IN OUT EVERYDAY LIVES?

WHAT SORTS OF MATERIALS ARE USED FOR PNEUMATICS?

• Tubes• Syringes• Cylinders• Connectors

• Now for a video……