How to Make a Lava Lamp

hve you ever wanted to make your own lava lamp ?? its very simple .
Materials
1. Vegetable oil
2.water
3.food coloring
4.alka seltzer

Step 1: Step 1

step 1 get your bottle and fill it 3/4 full of veg oil

Step 2: Step 3

3.Add about 10 drops of food coloring. Be sure to make the water fairly dark in color

Step 3: Step 4

4. Divide the Alka-Seltzer tablet into 8 pieces

Step 4: Step 5

5.Drop one of the tiny pieces of Alka-Seltzer into the oil and water mixture and keep going. close the bottle and your done.