STEM Project Fun with Foam
Introduction to Foam
STEM Project 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...see if your ideas are the same as mine
STEM Project 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
STEM Project 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?
STEM Project 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?
STEM Project 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
STEM Project 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?
STEM Project 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
STEM Project 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
STEM Project 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?