Aim: To see how osmosis happens in celery. Equipment: food colouring celery water plastic cup Method: 1. Pour 2-3 cm of water into the plastic cup. 2. Add two drops of food colouring to the water. 3. Place one stick of celery into the cup. 4. Observe how the celery changes over the next 2-3 hours. What happened to your celery? What did this experiment have to do with our COGS topic this term? If your parents will allow, try this experiment and tell us what happened. You could put a post with photos on your personal blog and share a link in your comment here. |