A2. The Human Brain

The Brain The human brain weighs approximately 1.4 kg (approximately four tubs of butter), is about the size of a grapefruit, is shaped like a walnut and can fit in the palm of your hand. Though it weighs approximately 2 percent of your body weight, it consumes nearly 20% of our calories. Brain metabolism requires a large amount of energy. Different parts of the brain have specific roles Click on the link to check out an interactive website exploring the functions of the different ...

How to learn with zero effort

  The brain's capacity is unlimited, if only you use it correctly (Credit: Getty Images) What is the easiest way to learn? David Robson meets a group of scientists and memory champions competing to find techniques that make facts stick... fast. As exam season is upon us and the Grade 12 exams are soon to begin, I thought you might be interested in "how to learn with zero effort". I was recently reading an article at BBC that discussed such a topic. The article discusses ways ...

Plants

Plant Biology is fascinating I would like to highlight an outstanding website that will support your learning of the topic http://www.saps.org.uk/ It has a variety of resources to help  your learning and even give you ideas on possible experiments to conduct. As spring is upon the Northern hemisphere with summer quickly approaching, have a look at this link that leads you through possible lines of inquiry to support your extended essay or possibly your internal assessment project. On the right side of the page ...

And so to May…

As you look to the end of your high school experience, now is the time to begin to organize your notes, roll up your sleeves and start the process of review. With a few weeks of preparation and escalating levels of application, burn out will be avoided and  lower anxiety levels will facilitate meaningful prep. To begin;  I suggest that you review the syllabus in its entirety and highlight the topics you really never got. Perhaps highlight RED. Those you 'kinda have' highlight ...

Comparing: Mitosis / Meiosis and Oogenesis / Spermatogenesis

Command terms are key terms that are used in exam questions to ask questions. The following link takes you to a PowerPoint that helps explain the meaning for each, within the old syllabus - last exam 2015. [Check out the very useful sortable syllabus below the embedded PowerPoint on the website.] I have graded many exam papers that have left me pulling out my hair as I read students demonstrate an understanding of the content tested, BUT due to a lack of understanding of the ...

The Internal assessment (first exam 2016)

By Thursday, January 29, 2015 No tags 0

If you are presently in Grade 11 you will at some point this year be working through a practice Internal assessment. So to help I thought I would give you some pointers. Firstly the assignment has to be between 6 and 12 pages. Any longer and it will negatively impact your communication grade which clearly makes reference to a "relevant and concise" report. If you find you have a large amount of raw data (that has little real value to the research question ...

JMOL and visualization software

As part of the Biochemistry unit of the G11 unit, students are asked to observe molecules via visualization software "to compare cellulose, starch and glycogen". Check out the following: Download the JMOL software at: http://sourceforge.net/projects/jmol/ Go to the containing folder and click on JMOL.jar Then you can access the relevant molecules at https://sites.google.com/a/lcis.bs/plastics-in-the-ocean/carbohydrates-activity In order to play around with the molecule, right click on the image and some options appear. If you are totally confused, go here http://biomodel.uah.es/en/model3/inicio.htm In addition, watch the following videos

Viruses and Ebola

This month I want to show you a series of videos that focus on viruses. The first explains how a virus invades the body and the relevant cells, to replicate and produce disease causing symptoms in the body. The second video discusses transmission of a virus and explains why most  cause some harm but are not normally so aggressive as to cause immediate death. The third video is a documentary from the BBC that looks at the history of Ebola and explores ...

Nature of Science – a focus

By Sunday, September 28, 2014 , 0

YwYEy5AXwlQ The Nature of Science or NoS is a focus on the ways in which Scientific knowledge is acquired. From the Scientific method, to accidental discoveries (serendipity), to the assembly of data from different sources for a meaningful whole, to a meticulous series of observations that collectively have meaning; Science ultimately, is the collection of evidence from which conclusions can be drawn. . At its center there exists a question from which an answer is sought, however the manner by which one arrives ...

The new year

Whether you are returning to school as a Grade 12 student looking to wrap up the Diploma and get to your chosen university (if you have indeed, an idea on what you plan to do after school), or if you are excitedly preparing to begin the Diploma, I very much hope the series of  blogs posted here over the year, will provide you with insights and guidance to assist. Much of what I write is to provide guidance,  to show ...