Bile painting experiment
Fancy becoming an artist with this gross bile experiment? Dr Chris and Dr Xand show you how!
- Baking tray
- Milk
- Liquid food colouring
- One cotton bud
- One straw
- Washing up liquid
Instructions
Step 1: Pour the milk into the tray, forming a layer across the whole tray. Don't let it spill!
Step 2: Take a straw and a bottle of food colouring and drip some drops of colouring onto the milk. Check with a grown-up and get permission before using food colouring, and be careful so you don't stain the table or your clothes.
Step 3: Use as many colours as you like.
Step 4: Next, dip the cotton bud in听some washing up liquid and drip the liquid into the milk.
Step 5: Watch the听milk and food colouring begin to swirl as the emulsifier in the washing up liquid starts to work its magic!
Step 6: Admire your unique bile painting! Wow!
听
Watch the whole episode of Operation Ouch! Do Try This At Home: Fat-Busting Bile on 大象传媒 iPlayer.