Light

Angles of Incidence and Refraction (Ray Diagram)

 

Light is the reason we can see anything, it reflects off an object and then bounces into our eyes, and voilà  We can see it! Light is the fastest thing we know of – in fact, with any luck, it is the fastest thing that can possibly be – it travels at about 300 million m/s in the air. Now, there are some people (like me!) who can’t see properly without glasses, the light bounces into my eyes the same as you, but it goes wrong there. So, why do we need lenses and how do they work?

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Buffalo

 

So, you know that there was a lot going on on the Great Plains mid-1800’s. The Native Americans lived peacefully there, hunting buffalo, mountain men lived with the Native Americans and worked in the Rockies collecting beaver fur. But why exactly were the Great Plains so important to white people:? I mean, they described it as “the great American desert”, it’s not like there was much there for them – yet they felt it necessary to disrupt the Native Americans, and wished to control the plains themselves (roll on the homestead act of 1862!) – why?

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nailing those exams image

Nailing Those Exams is a series of tips I write that focuses on how to get through the exams in each subject. Here I cover English again – with greater, more in-depth explanations of the difference between Language and Literature, how to get that specific language analysis in, and priorities in the exam. More »

Sometimes it can be helpful to put things in context, especially if you’re trying to support an argument your making. So it may be helpful to know a bit more about who The Native Americans were, so you can support any arguments you make better. Right now we know that The Native Americans lived in tribes on The Great Plains, and really – that’s about it!

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Let’s be honest: if you investigate most conflicts throughout history, you’ll find religion following them like a shadow at midday. Newsflash! It’s no different here! And that is what makes Sioux religion so important when studying this period. With this in mind, I’ll try and link most of my explanation back to war and how the Sioux religion could influence their actions – however, their religion was peaceful, and their religion was used in day to day life, too (see ‘Dances’). This should be borne in mind.

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