Fun with Foam Introduction to Foam Fun with

Fun with Foam

Introduction to Foam

Fun with Foam § § § Have you ever thought about foam? What do you think it is? Can you think of different types of foam? Where else might foam be useful? Have a talk to someone and then. . . see if your ideas are the same as mine

Roles & Responsibilities § Administrator keeps a written and pictorial record for the group § Resource Manager collects, sets up and returns all equipment used by the group § Communications Officer collects the group’s ideas and reports back to the rest of the class. § Health and Safety Manager takes responsibility for the safety of the group, making sure everyone is working sensibly with the equipment § Personnel Manager takes responsibility for resolving disputes within the group and ensuring the team works together

Activity – Making Foam

Making Foam § You need to come up with a method to make and measure foam § What's the best way to make foam? § How much bubble mixture should you add? § What do you do to make the froth appear?

Measuring Foam § Can you think of a way to measure how much foam you have made? § What would you try to measure? § What would you use to do the measuring?

You will need § § § § § A plastic pop bottle 20 ml foam mixture A pipette A whisk A spoon A straw A bowl A jug A pen

Planning We are investigating We could change… We will change… (independent) Our question is…. We will keep the same We could measure/observe… We will measure/observe (dependent)

Planning We are investigating We could change… Amount of water Amount of product We could measure/observe… Time to make foam Height of foam Time for foam to disappear Way of making foam We will change… (independent) Our question is…. Way of making foam Amount of product ? What is the best way to make foam? We will keep the same Amount of water We will measure/observe (dependent) Time to make foam

Feedback § What different ways did you think of to make foam? § Which one gave you the best foam? § Why did you think they were the best? § Which one gave you the worst foam? § Why?

Activity – Comparing Bath Foams

Comparing Foam

Comparing Bath Foams § Use the best method from the first activity to compare different bath foams § Which one gives the most foam? § How can you compare them in the same way? § How will you record your results?

Planning We are investigating We could change… We will change… (independent) Our question is…. We will keep the same We could measure/observe… We will measure/observe (dependent)

Planning We are investigating We could change… Amount of water Amount of product Way of making foam Product We will change… (independent) Our question is…. We could measure/observe… Time to make foam Product Height of foam We will measure/observe (dependent) Amount of product ? Which product makes the best foam? We will keep the same Amount of water Time for foam to disappear Time to make foam Way to make foam

What did you find?

Thank you! We hope you enjoyed our visit! Perhaps one day you would like to be a scientist too? !