Up next in How to Do Fun Tech & Science Projects (52 videos)
Teach your children technical skills and science in fun ways with the tech and science projects in this Howcast video series.
You Will Need
- Bell jar
- Vacuum pump
- Acetone (optional)
Fill the cup with water.
Place in bell jar
Place the cup inside the bell jar.
Connect to vacuum pump
Connect the bell jar to the vacuum pump and turn it on.
Watch the water bubble
Watch the water begin to bubble.
Watch the water turn into ice
Watch the water turn into ice as the warmer molecules escape into the vacuum and the cooler molecules clump together to form ice in the cup.