<p>AQA GCSE Biology Unit 3 (BL3) Revision Notes based on current specification content. Earlier problem with the file being corrupted is now resolved.</p>
Flow chart that summarises the response of the immune system to infection by pathogens. It covers phagocytosis, T cells, B cells, antibodies and memory cells.
Game to help students develop their use of investigative terminology. Now also available - improved and updated version for new AQA GCSE Science specifications
Distribute cards randomly around class. Choose a word to start with and start timing. Student with that word reads definition on right of the same card. Student with a card that answers this definition reads answer, followed by definition on the right of this card. Continue until the final answer is the one that started the game. Stop timing. Aim to beat previous time whenever attempted.
Worksheet that guides students through an investigation to compare water loss from the upper and lower surfaces of leaves. Also includes an opportunity to view stomatal prints with microcopes. Questions guide students through the variables and controls.
Graph and questions about lactic acid levels in an athlete during a 400 meters race. This relates to aerobic and anaerobic respiration, blood and circulation and the effects of exercise.
Worksheet and practical investigation into fatigue and recovery time in arm muscles, involving lifting sandbags. This relates to respiration, muscle contraction, the effects of exercise and the circulatory system.
Worksheets for students to consider experimental evidence that led to the understanding of DNA and semi-conservative replication. The second document includes suggested answers.
The flow chart show how FSH, LH and oestrogen interact. Worksheet questions help students produce a summary table and answer questions on the control of fertility.