Bean Osmosis Lab

when molecules spin

when molecules move from a high concentration to a low

no movement

at the bottom of the cup

in the color

at the top of cup

there is no concentration gradient

osmosis

diffusion

isotonic

active transport

water

energy

food

salt

They lost mass.

Their mass stayed the same.

They gained mass.

The beans disappeared.

When you put the beans into colored water, some of the water molecules from the solution move into the beans and the beans change color.

When you put the beans into colored water, some of the water molecules from the solution moved out of the beans and the beans change color.

When you put the beans in salt water, water moved into the beans and they lost mass because the salt water is hypertonic to the beans.

When you put the beans in salt water, water moved out of the beans and they lost mass because the salt water is hypertonic to the beans.