Diffusion Flashcards
1
Q
What is diffusion?
A
The movement of particles that causes them to spread and mix with other particles.
2
Q
Does diffusion happen quicker at high or low temperatures?
A
High temperatures
3
Q
Does diffusion occur in liquids, gases or solids?
A
It occurs in liquids and gases
4
Q
The bigger you are the smaller the surface area to volume ratio
A
The smaller you are the bigger your ratio
5
Q
Small organisms
A
Can meet exchange need by diffusion
6
Q
Big organisms
A
They need specialist structures to meet exchange needs
7
Q
Why does temperature affect the rate of diffusion?
A
It means the particles in a gas or solution move around quicker
