Fizzy stuff

Baking Soda & Vinegar Volcano

What you'll need:

Baking Soda (make sure it's not baking powder)
Vinegar
A container to hold everything and avoid a big mess!
Paper towels or a cloth (just in case)

Instructions:

Place some of the baking soda into your container.
Pour in some of the vinegar
Watch as the reaction takes place!

What's happening?

The baking soda (sodium bicarbonate) is a base while the vinegar (acetic acid) is an acid. When they react together they form carbonic acid which is very unstable, it instantly breaks apart into water and carbon dioxide, which creates all the fizzing as it escapes the solution.

For extra effect you can make a realistic looking volcano. It takes some craft skills but it will make your vinegar and baking soda eruptions will look even more impressive!

Fizz Ice- In a cup mix baking soda with little bit of water. The scoop the mix into a ice cube tray. Once frozen run back of tray under hot water to release the ice cubes and put them on a deep plate or bowl. Last to make them fizz use a spoon or anything like that to pour vinegar over them and let them fizz! 
hint-(i wouldn't fill all of the ice cube tray cause then ur gonna be using a lot of vinegar)We also add glitter to ours just for color.

Fizz Egg- (same recipe as volcano again) This time with EGGS! i cracked the top of the eggs open then cleaned them out with warm water. After i filled them with some baking soda and little bit of food coloring (it will stain fingers not much but you can also try to use koolaid) after I add the vinegar and done! They bubble up a lot and after they where done bubbling i added more vinegar and it did it over again.
(my own pic)