Dissolved substances Flashcards
1
Q
How can dissolved substances move?
A
By diffusion.
2
Q
Diffusion?
A
The spreading out of particles from a high concentration to a low concentration.
3
Q
When does diffusion happen?
A
In gases and solutions.
4
Q
How does the rate of diffusion increase?
A
The greater the difference in concentration.
5
Q
How does oxygen move in and out of a cell?
A
By diffusion.
