STEM Project

Fun with Foam

Fun with Foam

Introduction to Foam

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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

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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

Fun with Foam

Activity 3 – Making

Foam

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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?

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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?

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You will need

A plastic pop bottle 20ml foam mixture A pipette A whisk A spoon A straw A bowl A jug A pen

Fun with Foam

Activity 4 –

Comparing Bath Foams

Comparing Foam

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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?

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You will need

Equipment from last time Samples A, B and C Sumptuous Skincare Test Product 3 pipettes

Fun with Foam

Activity 5 –

Increasing Viscosity

A Runny Problem

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You will need

500ml bubble bath mixture Cornflour Salt Hair gel A teaspoon Laminated card A stop watch Blu-Tack 6 disposable cups

Investigate the best way to change and measure the viscosity of the bubble bath mixture

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Things to think about

How much bubble bath mixture will you use each time?

How much thickener will you add?

How will you measure the thickness of the liquids?

Does the product you’re making look and feel pleasant to use? Would you buy it?

How will you record your results?