all picks
A pack of lesson plans that can be downloaded, together with video clips from the BBC children's science show that are linked to each lesson. The pack has worksheets and suggested activities for KS3 and 4.
An online lesson plan, supported by video clips, which shows you how to set up a forensic crime scene investigation.
A comprehensive summary of different methods used to separate mixtures.
A flash-based activity in which pupils can try to dissolve various substances in water. There is a linked quiz.
Excellent, clearly presented revision material on compounds, mixtures and separating from BBC bitesize. There is also a good multiple choice quiz.
A sequence of ten animated cartoons explaining the properties of solids, liquids and gases, along with changes of state and dissolving.
An interactive game that could be played in pairs or small groups, or on an interactive whiteboard.
An interactive game based on key words that could be played in pairs or small groups, or on an interactive whiteboard.
Simple revision word fill covering the whole of unit 7H, Solutions
Matching pairs exercise testing meanings of terms introduced during unit 7H (solute, solvent, saturated etc)
Small revision crossword covering the whole of unit 7H, Solutions. Larger harder version also available!
Animation to show how salt is obtained comercially by the evaporation of brine.
Brief background information on dissolving and a quiz on dissolving particles.
Matching pairs exercise to match molecular diagrams of elements, compounds and mixtures to their descriptions.
6 short, but well produced animations on different industrial processes. e.g. separating salt from salt water, filtering. The brine evaporator and filter press are linked to this unit.
Tour of an oil refinery using aerial and panoramic photos with information about different processes involved.
The British Crystallographic Association's education pages, with booklets on making crystals and models.
The UK Salt Manufacturers' Association website, with lots of background information (maybe biased?) about common salt, its uses and health issues.
Explanation of dissolving in terms of the particle model, from the University of Leicester's science education department
Good background information on separating mixtures. There are rollover words in the text which advance the accompanying diagrams and a short key word quiz at the bottom of the page. The next page is on chromatography and its use in forensic science is highlighted.
Site gives clear information on different methods for separating mixtures. Lots of advertisements on pages may be distracting.
The first two pages outline methods for separating mixtures. The final page contains questions that can be addressed during an investigation.
A series of slides on solutions.
Pages explaining the difference between solutions and mixtures.
Revision notes on separating mixtures from BBC Bitesize. Clear information
Page contains information about how distillation works. There is a link to a flash animation of ethanol / water. Not much detail.
Good notes and drop-down box interactive activities on solutions. The site links the information to solutions and suspensions encountered in everyday life. Explore to page 14.
An excellent resource on dissolving. There are several video clips on the page to help with the explanations plus a link to some good teachers notes and historical information. Requires Quicktime for the videos
A large resource that contains some good animations of how substances dissolve. Requires Java to run (free download)
Worksheet detailing how to do the experiment, with notes for teachers and technicians. You may need to alter the worksheet instructions.
Worksheet outlining an experiment on the effect of dissolved salt on the boiling point of water.
Set of lesson plans, with introduction activities and then experimental procedure for investigating solubility of sugar in water. 2 extension activities.
A useful summary of different types of mixture, including solutions and colloids. Also covers solubility at different temperatures.
Clear animation of salt dissolving that can be enlarged for projecting onto a white board and descriptive text of the steps.
Short but well explained flash animation of NaCl dissolving in water.
Use chromatography to find the hidden colours in black ink. You could also try other inks and dyes.
Matching exercises on separating mixtures.
Word fill asking students to associate states (s, l, g) and properties (element / compound / mixture) with common substances