Archive for the ‘Biology’ category

Genetically modified lizard and alligator invades on year 10 science class. Who will survive?

April 23, 2012

For all the news and updates of genetic information and natural selection this is a must read!

This post is an evolutional changing experience, taking you from the basic building blocks of life through to inheritance then through to natural selection of monsters vs students? Who will survive?

The monster was last seen in the classroom and reports of finding eggs are still flooding the phone lines with sighting of the monster and monster egg being discovered. Let’s hope for the human race all eggs have been found and destroyed.

The monster is still at large and numerous sighing have been reported. Where it can be found no one knows, but one thing is for sure the environment it is in is suitable for the monster.

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Up-celling yourself

April 6, 2012

We have nearly finished our studies into the structure of cells, including both animal and plant cells. We also have learned how to use a microscope, looking at onion skin cells (Here are some pictures if you are missing them: Unstained 100x, Unstained 400x, Stained 100x, Stained 400x.

We’ve also looked at the parts of the cell, including the simplified internal parts – such as the organelles like the mitochondria, nucleus, chloroplasts, vacuoles, endoplasmic reticulum (E.R) and ribosomes, and cell structures like the membrane, cytoplasm and cell wall. You have also worked on learning what these parts look like, and what they do (their functions). You (should!) have submitted a 3-D model and cell analogy, demonstrating both that you know what the parts look like and what they do – it is important that you know these concepts and terms, and that they appear in your glossary, because there will be a test coming up soon…

I’ve attached something to help you understand and remember the parts of the cell below the fold; you may be familiar with it…

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All Systems GO!

April 5, 2012

So, here we are at the end of term 1. A lot has been covered in class this term – we started with some scientific processes, but quickly moved into body systems and interactions between systems, and have now transferred over to things that affect the whole body (so far we’ve looked at E-M radiation). We have quite a bit to cover yet, but before we go on, let’s ensure that everyone is up to date.

Notice that I wrote that “A lot has been covered in class” and not “we have done a lot in class”.

That’s mainly because I haven’t seen much work from many of you – something that you need to address urgently, because from the first day of next term, students who have not completed the work will be required to attend half-lunch detentions and JWOP to finish that work.

Here is a list of the tasks that must be completed:

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To unlock cells – you need a key (updated!)

April 4, 2012

So, we are getting towards the end of our first unit of study – Genetics & Natural Selection. We’ve looked at the relationship between evolution & natural selection. To finish this unit of study, we need to understand how cells propagate – how one cell becomes more.

This process is called cell division, and there are two main types: Mitosis and Meiosis. But before we get too far into this topic, you may want to revise the important concepts of Genetics. Here is a post that covers the genetics topics – I strongly suggest you go back and read it (and watch the videos!) – not doing this will do bad things to your results…

So, back to the cell division topic – what do you have to know? The problem is is you look this topic up on the internet, you will find far more information than you need at year 10 – information about what the different phases are, what happens during each phase, a lot of details. You should try and learn this information if you plan on studying biology during VCE, but otherwise you only need to know the basics.

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Beating the System

February 16, 2012

So we are studying body systems, particularly the “responding” systems – that means the systems which control how we react to what happens around us. You may think you control your body reactions, but it is simple to prove that you don’t – just think of the last time you heard a loud noise or saw an unexpected bright flash of light. You reacted without planning to – a reflex reaction.

The two main systems we will focus on are called the Nervous system and the Endocrine system. In today’s lesson, we will be learning more about the Nervous System, particularly how it works; how it helps you respond to what happens in the world around you.

The nervous system consists two main parts – the Central Nervous System (basically the brain and spinal cord) and the Peripheral Nervous System (the nerves which connect to the rest of the body).

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The Evolution Revolution

February 15, 2012

Science is exciting – almost everything about our modern life is based on humanity’s understanding of the world – what we call Science. Science is all about understanding and being able to control our world.

So why should you care? You just want to stuff around with your iPhone, chat on facebook, listen to great music and play sports. What’s that got to do with Science? Well, nothing. Not if you just want to sit there and blob, be passive and not involved, that’s your choice.

BUT…

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