Science Bank 15 (Responding to Stimuli): Part 1 – the Eye (to 5m 30s); Part 2 – the Nervous System (to 9m 25s):
B7.1 Revision notes
GCSE Bitesize revises The Nervous System (in 8m 27s) and here’s a s hort (less than 5 minute) video clip from BBC iScience – The Eye .
Other videos include Science in Focus – Wired Nervous System (22m 51s), The Virtual Body – Sensory Systems (19m) & BBC Short Circuit The Eye (19m).
Another power-point (this one includes the eye):
IGCSE Biology: Coursebook , chapter 10, pp.126 – 134
GCSE Bitesize revises Hormones (7m 12s) and here is ‘What does the Pancreas do?’ (from Emma Bryce & TED-Ed):
B7.2 Revision notes
– a 5m video from TEDEd. How do carbs impact your health?
IGCSE Biology: Coursebook , chapter 10, pp.137 – 138
Tropisms from Marthese Azzopardi
Science Bank 15: Part 3 covers Plant Tropisms (from 9m 25s to 14m 30s):
B7.3 Revision notes
A 3 minute introduction to tropisms (from Twig World).
Plant Control – Paul Andersen explains how plants use hormones to respond to their environment. We only need to know about auxins (to 3m 40s).
IGCSE Biology: Coursebook , chapter 10, pp. 139 – 142
A good powerpoint (although we don’t need the last few slides about controlling water levels):
Homeostasis of the body from Claire Gaukrodger
Science Bank 16 (Homeostasis): You only need Part 1 – Controlling Temperature (to 5m 10s) & Part 3- Controlling Blood Sugar Level (from 9m to 14m 10s):
B7.4 Revision notes
A powerpoint can be downloaded from here , a 5m 33s animation on Homeostasis is here & this link to GCSE Bitesize will help you revise the topic.
Videos include The Virtual Body – Homeostasis (19m), Homeostasis – The New Living Body (19m) & BBC Short Circuit Homeostasis (19m).
IGCSE Biology: Coursebook , chapter 11, pp. 145 – 151
This powerpoint covers : Homeostasis & Negative Feedback to slide 27; that’s all we need