NYS Diffusion Lab

Front

What is the initial color of starch indicator solution?

Back

Amber

Front

Which indicator changes color in the presence of glucose sugar solution?

Back

Glucose indicator/Benedict's solution

Front

Define osmosis.

Back

The diffusion of water molecules through a semi-permeable membrane from an area of high concentration to an area of low concentration.

Front

Which indicator tests for the presence of starch?

Back

Iodine

Front

Where will glucose be found after 24 hours in a diffusion experiment?

Back

Both inside and outside the cell.

Front

What is diffusion?

Back

The movement of particles from an area of high concentration to an area of low concentration.

Front

What is a semi-permeable membrane?

Back

A barrier that allows certain substances to pass while blocking others.

Front

What color does iodine turn in the presence of starch?

Back

Blue-black.

Front

What is the purpose of Benedict's solution in experiments?

Back

To test for the presence of reducing sugars like glucose.

Front

Explain the difference between diffusion and osmosis.

Back

Diffusion refers to the movement of all types of particles, while osmosis specifically refers to the movement of water.