BUBBLE BOMB!?!?

On Monday Room 30 made four huge BUBBLE BOMBS!!! Do you want to a bubble bomb is? Well we can tell you! A bubble bomb is a messy experiment!

You need:

*One Sealable Plastic Bag

*Two Tablespoons of Baking Soda

*Food colouring

*Paper Towel 

*Water 

*Measuring jug

*Vinegar 

Step One:

Find a place where your parents won't yell at you when you make a mess. Its best if you do it outside.  

Step Two: 

Test your bag for leaks.  Put some water in it close the seal.  If there are no leaks the bag is ok to use.  

Step Three: 

Tear a piece of paper towel, about 15 centimetres square. Put two tablespoons of baking soda in the centre of the square and fold the paper around it.

Step Four:

Mix 300ml of vinegar and 150ml of warm water and pour them into the plastic bag.   

Step Five:    

Put the paper towel packet into the bag and hold it in the corner away from the vinegar while you seal the bag.     

Step Six: 

Place the bag on the floor and stand well back!   

Step Seven:

The swell up!

Step Eight:

And then POP!!!!!!!!!