Unit+2+-+Homework

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HOMEWORK

Investigation Questions:

Last lesson you came up with some interesting myths you wanted to bust! Each week you are going to investigate some solutions to these problems. Include pictures and videos where appropriate (yes, WHERE APPROPRIATE!). Your responses will be due on your page, seven sleeps from the date set (please see me if you are an insomniac for an alternative time line). Goodluck and God speed.

25th August:


 * How does a stun gun work?
 * Why does lightening strike towards the ground?
 * How do you survive/avoid being stuck by lightening?
 * **Play Phun. You may play Phun once you have done your homework, like the good little boys you are. (Can we multitask?)**


 * 4th September**


 * How does wireless power work?
 * Can we create power here to use in foreign countries?
 * How much electricity would it take to kill a large camel?

**8th September**


 * Create a slide show illustrating 4 concepts from Chapter 8 and/or 9. Post on your wiki. It may include videos, pictures, animations etc, but must be described in your own words.

**15th September

Answer the following questions in detail:**


 * Why is a sweaty body electrically more dangerous than a dry body?
 * Why do some trees explode when struck by lightning?
 * What is the difference between AC and DC current?
 * Power lines are operated at high voltages and low currents. Why?
 * They are trying to develop an electronic means of contraception. Explain how this could work.