Gasses and Atmospheric Pressure

What causes the balloon to expand and deflates?

Which activity to show that air exerts pressure?

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What is device used to measure air pressure?

• Spring Balance

• Bourdan Gauge

• Van de Graaff Generator

• Electroscope

What are the factors that can affect air pressure?

• Surface Area

• Volume

• Temperature

• Weight

What is the relationship between volume of air and air pressure?

Volume increases, Air Pressure ....

What is the relationship between temperature of air and air pressure?

Temperature increases, Air Pressure ....

Tags

NGSS.MS-PS1-4

Factors that can lower air pressure are ..

• larger volume

• higher temperature

• semi vacuum (less air)

• vacuum (no air at all)

Tags

NGSS.MS-ESS2-5

Tick the correct application of air pressure in our daily life

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Tick the correct application of air pressure in our daily life

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Identify the correct pressure at A and B

• A - High Pressure ; B - Low Pressure

• A - Low Pressure ; B - High Pressure

Tags

NGSS.MS-ESS2-6