diffusion and gas pressure

What is the difference between particles in a gas and a solid?

• gas particles are closer together
• solid particles move faster than gas particles
• solid particles expand on heating
• gas particles have more kinetic energy than solid particles

Tags

NGSS.MS-PS1-4

How can we increase the gas pressure inside a sealed container?

• Increase the number of particles inside the container
• Increase the temperature
• Decrease the volume of the container
• All of these

Tags

NGSS.HS-PS3-4

In what direction(s) does air exert pressure?

• everywhere
• no where
• there is no pressure
• downward

Tags

NGSS.MS-PS2-5

Pressure can be exerted by solids, liquids and gases.

• TRUE

• FALSE

When particles move from areas of high concentration to areas less concentrated, this has taken place.

• diffusion
• mitosis
• endocytosis
• photosynthesis

Tags

NGSS.MS-PS1-4

Which diagram best shows the end result of diffusion?

• F
• G
• H
• J

Tags

NGSS.MS-PS1-4

The picture  is an example of _________________.

• isotonic
• diffusion
• osmosis
• active transport

Tags

NGSS.MS-PS1-2

Where is there a high concentration of bbq smoke?

• In the bbq pit
• In the house
• Two streets over
• In the atmosphere

What does “high concentration area” mean?

• Spread out
• Tightly packed together
• Uncrowded
• Spacious

Diffusion is the movement of molecules from an area of _____ concentration to an ______ concentration

• High, low
• Low, high
• Low, low,
• High, high