Diffusion and Osmosis

Diffusion continues until the particles are ____.

• at the bottom of the container

• evenly spread out

• close together at the top of the container

Particle movement is ___.

• constant and random

• organized and constant

• both are correct

Tags

NGSS.MS-PS1-4

Osmosis is a type of diffusion involving water moving across a membrane.

• True

• False

Which is an example of osmosis?

• smelling perfume after it is sprayed

• cookies baking in an oven

• raisins placed in water to swell up

What is an example of diffusion?

• water filling up a bathtub

• a lit scented candle making a room smell good

• squeezing oranges to make orange juice

With diffusion, particles move from high concentration to ___.

• low concentration

• higher concentration

An example of ___, is where a gummy bear swells when put in water.

• diffusion

• osmosis

Osmosis is the diffusion of ___ across a semipermeable membrane.

• solid molecules

• water

• any liquid

Match the following.

• Semipermeable

• Some particles can get through and others cannot

• Membrane

• General term for particles moving from high concentration to low concentration

• Diffusion

• Movement of water across a membrane

• Osmosis

• Every cell has this, it controls what comes in and out of the cell

During diffusion, particles move from an area of ​ (a)   concentration to an area of ​ (b)   concentration.

• higher
• lower
• equal