Science & Math

Lava Lamps

• Supplies
• Leftover water bottles or 2 liter soda bottle
• Vegetable Oil
• Food Coloring
• 1 tablet alka seltzer antacid tab
• Directions
• Fill bottle 1/3 with water
• Add vegetable oil until it is almost full (leave 1-2 TBS of space)
• Add several drops of food coloring
• Add 1 alka seltzer antacid tab, broken up into several pieaces
• Watch the lava!