Diffusion & Osmosis

Front

What is osmosis?

Back

Osmosis is the movement of water across a semi-permeable membrane from an area of high water concentration to an area of low water concentration.

Front

During osmosis, water moves from:

Back

High concentration to low concentration.

Front

What is diffusion?

Back

Diffusion is the process by which molecules move from an area of high concentration to an area of low concentration.

Front

What is the main difference between diffusion and osmosis?

Back

Diffusion involves the movement of all types of molecules, while osmosis specifically refers to the movement of water.

Front

What happens to a cell in a hypertonic solution?

Back

The cell will lose water and shrink.

Front

What happens to a cell in a hypotonic solution?

Back

The cell will gain water and may swell or burst.

Front

What is a semi-permeable membrane?

Back

A semi-permeable membrane allows certain molecules to pass through while blocking others.

Front

What is concentration gradient?

Back

A concentration gradient is the difference in concentration of a substance between two areas.

Front

What is an example of diffusion in everyday life?

Back

The smell of perfume spreading in a room.

Front

What is an example of osmosis in plants?

Back

Roots absorbing water from the soil.