We had great fun today learning about chemical reactions by making our very own lava lamps! We spoke about why the water and oil do not mix and that when we add an effervescent tablet, the gas produced tries to escape creating the bubbles. Here are the steps so we can try it at home:

 

1. Fill half of your tube with water and 3/4 with vegetable oil.
2. Add 5 drops of food colouring.

 

3.  Add 1/4 of an effervescent tablet and watch what happens!