Topic 6 (Bubble Science)

 Topic 6

Task 1

Learning Goal and Outcome

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.

• Wand

• Pocket of air

• It has 3 layers in a bubble

• You need soap to make bubbles

• Bubbles pop when touch

3 Bubbles Challenge

1. Bubble Caterpillar

2. Cube Shape Bubbles

3. Carousel Bubble 

Task 2:

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

Method (what to do): 

• Fill the 250 ml beaker half full, that is, measure 125 mls water.

• Weigh 5 grams of sugar, stir into the water until the sugar is dissolved.

• Measure 3 mls of glycerol - add to the water solution.

• Measure 10 mls detergent - add to the water solution. 

• Stir the contents in the beaker so all ingredients are thoroughly mixed through.

Outcome:

It was hard  i had to blow light on the wand to make a good bubble.