Topic 6 Stem 2021(Bubble Science

 1.Share your experiences and knowledge about bubbles

2.Understand the science of bubbles

3.Prepare bubble-making liquid and try out a range of bubble-making challenges

4.Be able to speak about the above. 

A wand to blow the bubble out.Gently soft.soap.3 layers air in the middle.touch pop.salad is water.soap out layer.water can’t be a bubble because stick together bubbles make spread out.

Triangle wand it makes the bubble circle.pop bubble make air come out.

3 bubble challenges.

1st challenge bubble caterpillar  

2nd carresel bubble

3rd cube bubble

Make wand

Circle square heart wands prepare four pipe cleaner wands each with a different shaped loop

Four pipe cleaners 

Make a loop 3x#

Purpose: Prepare bubble-making liquid following a tried-and-true recipe

Equipment: 

a set of scales 

250ml beaker

a calibrated syringe

a stirring rod

Ingredients: 

table sugar

glycerol

kitchen detergent

water