Gelli Baff, a crystalline powder, has been dumped into a bathtub filled with water. How can you force the hydrogel to go down the plughole in order to drain the bathtub? 

In this investigation, students learn about swelling reactions, balanced reactions, and polymerisation. Students should be able to...

This collection of resources from the Association for Science Education (ASE) and produced by teachers using standard ICT packages, illustrate some of the ways that ICT can be used to enrich existing schemes of work.

...

This collection of science resources have been designed to show how science is used in the real-world context of logistics and transportation.

Further education resources that link the world of logistics to suitable lessons and subjects in school can be found on the...

A Catalyst article about the life and work of Gertrude B. Elion a pioneer in anti-viral drugs. The ground breaking research methodology she used and her work in creating and investigating purine compounds lead to the development of drugs which are used in the treatment of leukaemia.

This article is from...

This Catalyst article investigates Glaciologists. Glaciologists are scientists who study glaciers and the effect climate change is having on them.

The article is from Catalyst: Secondary Science Review 2015, Volume 26, Issue 1.

Catalyst is...

This multimedia package was developed by the Gatsby Science Enhancement Programme to help students understand the interesting and unusual properties of a range of fluids, semi-solids and solids. Published originally as a CD-ROM, the materials contain a collection of...

This booklet is part of the ‘Innovations in Practical Work’ series published by the Gatsby Science Enhancement Programme (SEP). There are a wide variety of materials that have unusual and interesting flow properties, and which find applications in industry and consumer...

This Catalyst article looks at how humans are exposed to radiation from many different sources, including food. The article describes the doses of radiation from sources such as:

• building materials and rocks
• bananas
• bone scans
• cosmic rays
• radon gas

The...

This Catalyst article investigates how gold is an important metal which, when extracted from its ore, has useful properties of durability and electrical conductivity. The article is from Catalyst: Secondary Science Review...

These materials look at three possible projects that relate to the environmental impact of domestic cleaning products:

* Communications project - students gather information to explain how cleaning products can be harmful to the environment and recommend good practice that will help protect the environment...

In this SATIS Revisited resource, students consider the Californian Gold Rush and its impact on the environment through pollution in the food chain and analysis of mercury in fish from local lakes and rivers.

This...

In this project, student investigate the ingredients of lipsticks, and work out why lipsticks are certain colours, and work out how to change the consistency of lipstick and how to control its ‘...

Produced by Nelson Thornes, this resource helps students look at aspects of how science works. The aim of the activity is for students to critically assess some of the evidence that might connect our increased burning of fossil fuels to rising global temperatures. Students should realise that, although we are...