This video provides an introductory exponential growth question. It explains how to identify the growth rate, initial value, and use the function to determine the population in the future.
Complete revision resources for AQA Science Units 1, 2 and 3 for Physics, Chemistry and Biology. Also some planning for 6 mark questions is included.
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A worksheet aimed at 14-18 year olds that provides a comprehension activity on the story of Typhoid Mary - a good example of how compelling evidence was used to identify and isolate the cause of an infectious disease over one hundred years ago.
A resource aimed at advanced biology students, this worksheet provides a series of questions requiring one word answers on the topic of the immune system. Areas covered include non specific defence, specific defence, inflammation, barriers, phagocytes, lymphocytes, antibodies, antigens, T-cells, B-cells. Useful as a resource to recap key terminology, questions can be deleted or added as required. Answers to all the question are given on the second page of the worksheet.