Hydrothermal Vents
Materials
- Large Jar with wide opening
- Small Jar
- Food Colouring
- Cold Water
- Hot Water
- Baking Tray
Methods
- Place Large Jar in Baking Tray in fill 80% with colour water
- Fill Small Jar with Hot Water and colour with food colouring
- Slowly place the Small Jar in the Large Jar
What Happens
The hot water in the small jar comes out into the big jar to the surface because hot water is lighter the cold. Hydrothermal vents are areas in the ocean where heat esacapes from the earth's mantle through cracks in the earths crust. This heat warms up the surrounding water and causes it to rise as is observed in this experiment.
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