Chameleon bubbles are formed when a sodium alginate solution is dropped into a calcium chloride solution.  The bubbles are filled by an acid‐base indicator solution; so, adding the beads to acids or bases leads to colour changes inside the bubbles by diffusion and pH change. Students can learn about acids, bases,...

A pair of videos that investigates the Ohm’s law relationship. The first allows students to carry out an experiment on the IV characteristics of a wire (Ohm's law) from home. This is a required practical for students to understand and be able to carry out for GCSE Combined Science and Physics.  The second explains...

A short video that demonstrates how to investigate the charge of different insulators due to friction.  

Chemical equilibrium acids and bases is one of the titles in the series of ASE Lab Books that were published in the early 1970s for the Association for Science Education by John Murray. Each title covered one or two topics and brought together the best of the teaching...

The chemical garden is a well‐established experiment from the chemistry of salts, solubility, diffusion, and solutions. The nice thing is that if metal salts are put in sodium water glass solution, it can lead to an effect reminiscent of plants growing. This growing process can be observed and analysed. In the end...

These We Are Aliens! related chemistry activities for the class room, have been devised by devised by Steve Althorpe and Judith Green. The resources include games, practical activities and worksheets. Supporting videos demonstrate the activities. The following curriculum areas are covered:

• depression...

From Solar Spark, this activity allows students to see how chlorophyll can be energised and how this causes it to fluoresce. Chlorophyll in plant leaves absorb red light and pass the energy on to other parts of the plant, hence leaves look green. But if there is nowhere for the energy to go, it gets released as...

Chromatography is one of the titles in the series of ASE Lab Books that were published in the early 1970s for the Association for Science Education by John Murray. Each title covered one or two topics and brought together the best of the teaching notes and experimental...

Two translucent liquids are mixed. At first, nothing happens: the resulting solution is still translucent. Suddenly, with no warning, the solution turns blue-black all at once.

Curriculum links include redox reactions, rate of reaction, kinetics

This resource is a full investigation with additional activities using a variety of multi-sensory approaches where students are experimenting to make the best protective sea wall.

These are activities on the theme of...

This resource, from the Association for Science Education (ASE) is a Key Stage Four investigation into kinetic and potential energy, based on a real-life context. If a large asteroid hit the Earth, could it cause a global catastrophe? In this unit, on a table-top scale, students simulate what an impact would be...

From Solar Spark, this simple demonstration shows the effect of adding colours. Photos and pictures are often made up from just four colours black, cyan, magenta and yellow. Different amounts of each colour combine to get all the colours of the rainbow and make the complete picture.

Solar cells are...

This booklet is part of the ‘Innovations in Practical Work’ series published by the Gatsby Science Enhancement Programme (SEP). It is based on two specially developed resources produced by SEP: the Optical Signal Transmission Set and the Analogue/Digital Transmission...