All Observing and measuring articles – Page 7

Experiment
Chromatography: how black is a black pen?

Black never goes out of style, and with this experiment learners can explore what colours go into making black ink with chromatography
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
Dense liquids: kitchen science podcasts

Introduce your students to liquids of different densities with this short podcast.
Resource
Solutions and mixtures: kitchen science podcasts

Introduce your students to solutions, mixtures and separation techniques with this short podcast.
Resource
Reversible and irreversible changes: kitchen science podcasts

Introduce your students to reversible and irreversible changes in your kitchen with this short podcast.
Resource
Vinegar as an acid: kitchen science podcasts

Introduce your students to acids and irreversible reactions with this short podcast.
Resource
Water: kitchen science podcasts

Introduce your students to water, dissolving and changes of state with this short podcast.
Resource
Teflon: kitchen science podcasts

Introduce your students to Teflon and the properties of materials with this short podcast.
Resource
Jelly: kitchen science podcasts

Reinforce ideas about dissolving and chemical changes with this short podcast about jelly.
Resource
Salt: kitchen science podcasts

Introduce your students to the properties of salt with this short podcast.
Resource
Colourful food: kitchen science podcasts

Introduce your students to colours in food with this short podcast.
Resource
Water and hydrogels

Challenge your students to answer the question: are we wasting water?
Resource
The squashed tomato challenge

2016-12-12T13:36:00Z In association with Practical Action

Students design, build and test a method of transporting tomatoes
Resource
The Mpemba effect

Help discover why warm water freezes quicker than cold water. The Royal Society of Chemistry offered £1000 for the best and most creative explanation of this phenomenon, known as the Mpemba effect. View the winning entry, try the experiment for yourself, or read the original paper.
Resource
Thermochromic materials

A hidden use of chemistry in everyday life includes thermochromic materials that change colour when exposed to heat or cold
Resource
Magic sand

2016-12-12T13:29:00Z

Putting the magic in magic sand this resource explores hydrophobic substances and how they work
Experiment
Crime scene chromatography

Using three different black pens, learners can put their scientific curiosity to use and explore chromatography
Experiment
Crystal chemistry

A fun experiment to grow your own crystals using everyday items in your learning space, great to get learners interacting with science