GCSE Biology Revision "Order of Magnitude"

Find your 9 with PLUS. Try for free: https://www.freesciencelessons.co.uk/modules/gcse-biology-1-triple/ If you're a teacher and would like PLUS for your school, then email [email protected] In this video, we look at the idea of order of magnitude. I take you through the idea of order of magnitude and explain to you a simple method to calculate the value. Then I give you a question to try yourself. This video is based on the AQA spec. This video may be appropriate for iGCSE / O Level Biology. Please consult your specification. The Amazon link above is an affiliate link. This provides a small commission which helps to support freesciencelessons. The cost remains the same to you. If you prefer not to use this, you can search Amazon for the Freesciencelessons workbooks. Image credits: Apple By Abhijit Tembhekar from Mumbai, India (Nikon D80 Apple) [CC BY 2.0 (http://creativecommons.org/licenses/by/2.0)], via Wikimedia Commons Orange By Ankara (Own work) [CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0) or GFDL (http://www.gnu.org/copyleft/fdl.html)], via Wikimedia Commons Pineapple By Alvesgaspar (Own work) [CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0) or GFDL (http://www.gnu.org/copyleft/fdl.html)], via Wikimedia Commons Lemon By Bordercolliez - Own work, CC0, https://commons.wikimedia.org/w/index.php?curid=16885868 Woodlouse By Alvesgaspar (Own work) [GFDL (http://www.gnu.org/copyleft/fdl.html) or CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons German shepherd By Ellen Levy Finch (Elf) - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=80113 Cheek cells https://commons.wikimedia.org/wiki/File:Cheekcells_stained.jpg Mulletsrokk, CC BY-SA 3.0 https://creativecommons.org/licenses/by-sa/3.0, via Wikimedia Commons