Today you will be creating a home made lava lamp, these lava lamps can make great last minute gifts and are also just an enjoyable activity.
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Gather ingredients including: vegetable oil, water bottle, water, food coloring, Alka-seltzer tabs.
Empty out a plastic water bottle into the empty cup, you will use this water again in step 4
Fill the empty water bottle with ⅔ vegetable oil.
Fill the rest of the water bottle with water, leaving a little space at the top.
Be sure to not be forceful to insure separation of the water and oil
Add drops of food coloring to water bottle.
Stir the food coloring with the water using the metal stick but avoid shaking the entire mixture.
Break Alka-seltzer tabs into four pieces.
Add Alka-seltzer pieces in one at a time to the water bottle. At this time your home made will begin to form.
You can reuse this experiment for days to come by repeating steps 8-9.