Tools
Significant Digits
Explanation, examples, and a quiz
pH
Measuring the strength of acids and bases
Classifying Substances
Mixture, solution, compound or element? From Science 9. Includes an online periodic table, and a quiz
Periodic Table
To view, print or download
Avogadro's Number
Explained
Dangerous Chemicals
Don't be fooled
Elements
The Noble Gases
See why they're special
Hydrogen
The most abundant element in the universe
Helium
Not just for blowing up balloons
Carbon
The ubiquitous element
Nitrogen
Most of the air you breathe!
Oxygen
What life needs
Fluorine
Highly reactive
Neon
Making colourful light
Sodium
Highly reactive
Phosphorus
Highly reactive and 'phosphorescent'
Chlorine
An effective bacteria killer
Argon
An inert gas that's 1% of what we breathe
Calcium
It's in your bones
Iron
The main ingredient of steel
Gold
So many uses
Compounds
Water
All about water
Salt
The good and bad!
Carbon Dioxide
The compound
Ozone
The good and the bad
Carbon Monoxide
A silent killer
Methane
A simple carbon compound
Ammonia
Critically important to agriculture
Sulphur Dioxide
The cause of acid rain
Hydrocarbons
Compounds made from carbon and hydrogen
Carbohydrates
Examining their molecular structures
Chocolate
It's history, what's in it, and how it's made
Polymers and Elastomers
Long and sometimes stretchy molecules
Rubber
A naturally ocurring polymer. Make a rubber molecule!
Acids
What is an Acid an overview
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Chemistry Concepts
Combustion
What is it?
Covalent & Ionic Bonds
Sci 10, Chem 20
Exothermic and Endothermic Reactions
Explanations and examples
Changes of State
Explaining solids, liquids and gasses using the particle theory
Thermodynamics
How the universe works
Heat Capacity of Water
An experiment you can do
Adsorption
How charcoal filters work
Making Molecules
(Science 9) Make some simple molecules
Applied Chemistry
Paper Chromatography
Indentifying colours in black ink
Photochemical Reactions
Experiment with early B&W photography
What are the Bubbles When Water Boils?
Find out!
Microwave Boilovers
Why a heated cup of water 'explodes' when you add instant coffee
Why are Snowflakes 6-Sided?
A very simple explanation
Why Does Salty Water Freeze Below 0°C
and how to make ice cream
Boiling Water Noise
Why does the pot shake and make noise, and then stop?
Glow Sticks
How they work
Oxidizing Aluminum
A surprisingly useful reaction
Fireworks
How they work
Diamonds
Hard and beautiful
Water Freezing
Which freezes faster, cold water or hot?
Calculating the Thickness of a Molecule
A simple experiment you can do
Aerogel Crystals
These incredibly light crystals are like solid smoke, and very good insulators. I bought some!
Popping Candy Crystals
Why do they pop?
Cooking and Chemistry
Making your boiled peas look fresher
Culinary Secrets
Cooking and science
Electrolysis of Water
A simple demo you can do in 10 minutes!
Pringles Experiment
What won't I do in the neme of science??
Diapers
How do diapers hold so much moisture? We investigate!
Distilled Water
Is drinking it bad for you?
Silly Putty
A polymer you can play with
Goop
We made goop. You can too!
Thixotropic Materials
Are they solids or liquids?
**Dangerous Chemical Alert**
You may be affected. Sign the petition!
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