See the direct relationship between pressure and temperature using these classic science toys. As individuals hold the glass bulb, the liquid inside reaches it's boiling temperature, which is just a bit above room temperature. As the heat energy goes up, so does the pressure, and the liquid rises into an upper bulb. Have a few of these at a lab station and let learners speculate about what is happening.
- An easy way for physical science students to view the results of increasing temperature and pressure in a closed system