how to make lava lamp

lava lamp, what is it? it's a lamp that we can make by ourself by household ingredients. here you go~^^

ingredients:
- 64-oz or 600 ml bottle
- vegetable oil or frying oil
- water

- glitter
- food coloring
- salt or alka-seltzer
- torch light

steps:
- open the cap of the bottle and pour the water 3/4 of the bottle
- add some drops of food coloring
- pour the oil and the glitter, wait for the bubble from the oil to disappear
- put the salt little by little and put the torch light under the bottle and see the reaction

good luck on trying this experiment, keep enjoy your life guys~^^