<p>Teaching PowerPoint presentation to support Edexcel AS Biology with an assessment activity at the end requiring any three enzyme past exam questions and mark-scheme. See www.clickbiology.com</p>

<p>PowerPoint quiz as presentation or show(for students) with associated worksheets for initial activity in the show before a 20 question multiple choice quiz. Further info at www.clickbiology.com</p>

Useful for both GCSE, IGCSE and KS3. PowerPoint presentation multiple choice quiz for students to answer in class. Has accompanying worksheet for student answers.

Mainly for Cambridge IGCSE Biology. Dicusses water pollution and eutrophication

Mainly for Canbridge IGCSE Biology but useful for other courses too. Includes acid rain.

Mainly for IGCSE Biology but also useful for GCSE. Gives definitions of the seven chaacteristics of living things as well as discussing how to calculate magnification and the binomial system

Additional information for IGCSE Biology (Cambridge) pollution topic. Discusses nuclear fallout and pollution by plastics. Includes information on conservation

Mainly for IGCSE Biology (Cambridge) but useful for most courses. Discusses impact of modern agriculture and soil erosion.