Non Newtonian fluids!

By Katie Rose Lloyd

What is a Newtonian fluid?

• Discovered by Sir Isaac Newton. • It’s a fluid which obeys the laws of

physics, which are

– Takes on the shape of it’s container

immediately.

– Responds the same whether moved

fast or slow .

What is a non Newtonian fluid?

• Non-Newtonian fluids do not

obey the laws of physics, as laid down by Newton.

•They have some properties of

both a solid and a liquid.

• The fluids do not immediately

take on the shape of their container.

Every day non Newtonian fluids!

• Examples of the everyday non Newtonian fluids are: • - ketchup

- hair mousse

• - paint

- toothpaste

• - whipped cream - custard • - treacle - Fluff

Uses for non Newtonian fluids!

• Scientists are investigating ways to make body armour for police out of non Newtonian fluids. • So that its comfortable to wear but strong enough to resist a bullet or blade.

• They have found that 4 layers of a silicon non Newtonian fluid is the equivalent to 14 layers of Kevlar.

Make your own non Newtonian • 60ml • Water • newspaper • food colouring fluid!

• 120g corn flour • mixing bowl 1. Put the newspaper on the table and bowl on top. Add your food colouring to the water.

2. Put all your corn flour in the bowl and add the water slowly.

3. Once you have the right consistency just play with your slime mixture!

Cool video!

Thank you!

Thank you for listening I hope you enjoyed and learnt something new!

I hope you have been paying attention because I have three questions that you should now know the answers to!

Question 1 • Who discovered Newtonian fluids?

• Sir Isaac Newton!

Question 2  • Are there any practical uses for non Newtonian fluids?

• Not at the moment but it will soon made into body protection for police officers!

Question 3  • When moved quickly does a non Newtonian fluid act as a liquid or solid?

• A solid!

Congratulations you have just learnt about non Newtonian fluids! I hope you enjoyed it!

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