lvl 1-2
What happens to the rate of diffusion as the temperature increases?
what is increases?
A selective barrier
membrane
____ continue to move
molecules
is this an example of diffusion: causes coffee to mix with cream
what is true?
solids,_____, and gasses are in constant random motion
liquids
Cells are usually surrounded by _________.
FLUID
What do we need to make diffusion process happen?
the movement of particles
The random movement of molecules in diffusion is caused by _____
kinetic energy
Why does temperature make diffusion speed up?
the higher the temperature the faster the energy
Why is diffusion faster in hot water?
the water molecules have more energy and are moving faster.
what substances can diffusion happen in?
dissolved substances like liquids and gasses
water moves across a ____ until the concentration is the same on both sides
membrane
what is net movement
the overall movement of particles