All Compounds and mixtures articles – Page 3

Feature
Lending a hand with sanitiser

2020-08-17T10:31:00Z

When one of the key weapons in the fight against Covid-19 was in short supply, some unlikely manufacturers stepped in
Class experiment
Kitchen roll chromatography

Coloured inks can be a mix of a few different colours, and with chromatography, learners can actually see which colours come together to make that coloured ink. This experiment includes a kit list, and safety instructions.
Exhibition chemistry
When life gives you lemons (or oranges)

2020-06-22T09:05:00Z

Teach your students about volatile organic compounds with these juicy demonstrations
CPD article
How to teach conservation of mass

2020-06-01T08:24:00Z

Help students navigate the law of conservation of mass on dissolving and heating
Resource
Conservation of mass on dissolving and heating

2020-06-01T08:24:00Z

Help students understand how mass is conserved when a substance is dissolved or heated
Resource
Finding out how much salt there is in seawater

Use the microscale titration apparatus to titrate silver nitrate solution against sea water
Resource
Anecdotes: Fritz Haber

The career of Fritz Haber.
Resource
The reaction between zinc powder and sulfur

A spectacular practical demonstration to show the differences between elements, mixtures and compounds
Resource
Separating mixtures | Primary science video demonstrations

Fun demonstrations of different mixtures, including racing liquids and rainbow colours.
Resource
Olympic composites (primary level)

Find out what composites are made up of and why they are so important sporting equipment for the Olympics.
Resource
Water sports and solutions

Life is in aqueous solution - and so is much of sport. Find out why the properties of water are vital to the sports men and women who compete in, on, and around water.
Resource
Chemical misconceptions II: Elements, compounds and mixtures

Explore and understand pure substances and mixtures; elements and compounds, through active study.
Resource
Chemical misconceptions II: Precipitation

Discover more about ionic bonding, and how dissolving into solutions can effect bonds.
Resource
Chemical misconceptions II: Definitions in chemistry

This exercise gives students an opportunity to discuss and give a critique of a selection of definitions (from various sources) of the most basic chemical terms
Resource
Chemical misconceptions I: Chemical axioms

Explore the key ideas into how learners respond to the fundamental principles used in chemistry.
Resource
White powder mix-up at the factory

Learners create their own chemical investigative company, and solve the mystery of the white powder mix-up. Includes kit list, and safety instructions.
Resource
Water for survival | 11-16 years

Practical problem-solving investigation including filtration, distillation and temperature. Includes kit list and safety instructions.
Resource
Secret in the sachet

What’s the secret inside the cut flower sachet? Find out with this class session. Includes kit list and safety instructions.
Resource
Separating sand, sawdust and salt

Sand, sawdust and salt will mix in interesting ways, and learners will need to use all their chemical knowledge to separate them, ready for Mrs Johal’s next class. Includes kit list and safety instructions.
Resource
Solutions and mixtures: kitchen science podcasts

Introduce your students to solutions, mixtures and separation techniques with this short podcast.