Homemade Lava Lamp

What you will need:
Plastic container
Oil
Food Coloring
Water

Directions:
Fill the plastic bottle 3/4 full of oil.
Mix 2-3 drops of food coloring a cup of water.
Slowly add the water to the oil.
Place the cap back on the bottle.
DO NOT SHAKE.
Slowly, place the bottle on its side and watch the oil repel against the water creating the colored bubbles.