# Guitar Acoustics

Make music from cardboard and rubber bands! See how and why different strings can make different sounds.

# Instant blue

The iodine clock reaction investigates how mixtures at different temperatures and concentrations influence the rate at which two components combine.

# Water hardness

The formation of lather on the addition of soap with water is an easy and practical method for a comparative review on water hardness.

# Shiny pennies

Pennies lose their shine after a while. This experiment explains what causes the dull colour on coins and how to make your pennies bright again.

# Instant-Freeze Water

Freeze water instantly by sharply knocking a bottle of supercooled liquid water. It may look like magic, but there's some pretty cool science behind it.

# Nature in a Bottle

Create your own forest in a bottle requiring the minimum amount of maintenance. The ideal situation to understand photosynthesis and decomposition.

# Fire Vortex

Analyse the behaviour of fire tornados which occur naturally in forest fires by building your own fire vortex. Be amazed by this physics phenomenon!

# The Four Colour Theorem

The four colour theorem is a mathematical result from Graph Theory which says that any map can be coloured with four colours or less...

# Back to Black

All numbers have an even number of factors, with the exception of square numbers. You will be able to show this visually in the following experiment.

# The Monty Hall Problem

The Monty Hall Problem is a mathematical logical puzzle framed in terms of a game show. You are offered 3 doors, behind one of which lies a car, and behind the remaining doors 2 goats.

# Santa’s Dirty Socks

Santa’s socks are lost among wrapped presents! Find them quickly without unwrapping the boxes! The Divide and Conquer concept will help you save the day!

# Graph Paper Programming WIP

A fun and easy activity to introduce general programming concepts and to help anyone understand what an algorithm is using graph paper and markers.

# Collapsing Metal Can WIP

Exerting a change in pressure in a metal can by creating a vacuum inside, resulting in an implosion caused by the atmospheric pressure.

# Ice-Tray Battery WIP

Build an actual, working battery, using simple materials commonly found at home.

# Bed of Nails

Discover the science behind a famous magic trick: lying on a bed of nails! Is it a trick after all?

# Invisible Glass WIP

Understand the fascinating science of refractive indices by making glass disappear in a transparent liquid. This easy experiment will leave you speechless.

# Sculpting with milk

A very easy experiment to create hard shapes simply by curdling milk with ethanoic acid.