Flashcards
Osmosis (B3)
Flashcards do conjunto (5)
- 1What is osmosis?Osmosis is the movement of water molecules across a partially permeable membrane from a region of high water concentration to a region of low water concentration.
- 2Is it big or small molecules (like water) that can pass through the partially permeable membrane?Small molecules
- 3Why can water molecules pass both ways through the membrane during osmosis?Because Water molecules move about randomly all the time.
- 4What is the water trying to act like it's trying to do?'Even up' the concentration either side of the membrane.
- 5What is osmosis a type of?Diffusion