3.1 Diffusion Flashcards
1
Q
Particles
A
The smallest pieces of which a substance is made; particles can be molecules, atoms or ions
2
Q
kinetic energy
A
energy of moving objects
3
Q
diffusion
A
the net movement of particles from a region of their higher concentration to a region of their lower concentration ( i.e down a concentration gradient) as a result of their random movement
4
Q
net movement
A
overall or average movement
5
Q
concentration gradient
A
an imaginary ‘slope’ from a high concentration to a low concentration
