Diffusion and Osmosis

Front

What does permeable mean?

Back

Things can pass through.

Front

Where is there a low concentration of dye?

Back

At the bottom of the cup.

Front

During osmosis, what happens to water?

Back

Water moves from high to low concentration.

Front

What does 'high concentration area' mean?

Back

Tightly packed together.

Front

Where is there a high concentration of BBQ smoke?

Back

In the BBQ pit.

Front

What is diffusion?

Back

The movement of particles from an area of high concentration to an area of low concentration.

Front

What is osmosis?

Back

The diffusion of water across a selectively permeable membrane.

Front

What is a concentration gradient?

Back

The difference in concentration of a substance between two areas.

Front

What happens to a cell in a hypertonic solution?

Back

The cell shrinks as water moves out.

Front

What happens to a cell in a hypotonic solution?

Back

The cell swells as water moves in.