Lava Lamps Emily Needham 6th

Apparatus:                              Method .1
Water                                             Fill your bottle 3/4 
OIL                                                 the way full. Then 
Food coloring                                   add the oil up to the
Any fizzy tablet                              bottom of the neck                     A bottle                                           not all the way full.
                                                       Watch the oil bubbles
                                                       sink to the bottom.
Method .2
Add your food coloring. Once the food coloring has mixed in with the oil drop in your fizzy tablet and watch the oil bubbles float to the top in the water!

The oil bubbles float to the top because they are full of gas.
You can also put a torch under to make it look cooler.

Dan's Lava Lamp with a torch under it! :}