disaster+struck+indi

Disaster Struck Indianna:]

= __Week 2!__ =

__**What is a disaster?**__
A disaster is when something bad goes wrong and it's not supposed to. E.g. When a bottle of water spills all over you and gets you wet, it's a disaster!

__What are natural disasters and what types are there?__
Natural Disasters are objects that nature has made from certain elements of the earth. Most of the time natural disasters turn out to be major disasters, believe it or not! Some natural disasters have claimed many lives and also destroyed many homes and buildings. media type="youtube" key="KLajz4fyFnc" height="336" width="367" align="right" Some natural disasters are: I think an earth quake is the most dangerous natural disaster because it can make buildings fall down and can kill many people or leave them starvded for days, weeks and even months. Earth quakes start when earth plates move and go on top of each other creating the earth to start shaking. No one acually knows why the earth plates move they just do. When the earth starts shaking it can make the foundation of a building to crack and make it fall over or it can make a house callaps. Sometimes when earth quakes happen it may not kill someone but it can stop the humans getting thier food so if they dont die from being squashed they might starve to death. Also, a tsunami is actually an earth quake under water so it will either create an earth quake on land or make a tsunami in the water, making it splash onto land and killing more people.
 * 1) Tsunami (soo - na - mi )
 * 2) Earth Quake
 * 3) Typhoon
 * 4) Volcano's / Volcanic Eruptions
 * 5) Cyclones / Twisters
 * __What do I think is the most dangerous natural disaster__ **** __and why?__ **

**This week I have learned a lot about natural disasters and what they are. I have learned that natural disasters are not man made and they are made out of the 4 elements of the earth which are water, fire, wind and earth. Some natural disasters can be deadly to the world depending on where you are and depending on where the actual natural disaster is. I personally wouldn't call it a DISASTER because a disaster is an //accident// but i think everything happens for a reason:]**
 * __Reflection of week 2:__**

__What do we use to classify disasters?__
There are many ways to classify natural disasters. With an earthquake there is something called a Richtor Magnitude Scale. A richtor magnitude scale(rms) measures the magnitude of an earthquake. The higher the number on the richtor scale the worse the earthquake, which means if the number was 7.9 (like China's last earthquake) then there would be buildings falling over and a lot of deaths but if the number on the richtor scale was 0.5 there would be a little shake and you might not even feel it happening.

I no how to measure earth quakes but I’m not sure about other disasters. An earthquake sends waves of shock (that looks like a snake) through the ground. Scientists study the waves to give them the answer of the waves to give them the answer of how big the earthquake(s) really is and if it will cause damage to the area.
 * __How are natural disasters measured?__ **

__Reflection of week4:__

 * I learned that you couldn’t actually measure other natural disasters besides earthquakes and tsunamis. (Tsunamis are just earthquakes under the oceans water level.) The reason for this is that you can’t really tell how dangerous a Volcano will be or how dangerously extreme flash floods are going to effect a city or suburb. **


 * __ Week 5: __**

There are 4 main layers of the earth which are, The Crust, The Mantle, The Outer Core and the Inner core. The crust is the surface which we stand on and is 70 km thick. The mantle is the next layer directly underneath the crust. It is made of really hot solid rock measured at temperatures of 3700 degrees Celsius. The next layer is the Outer core, it’s made of iron and nickel. These metals are liquids because of the high temperatures of 5,000 degrees Celsius. Last but not least the inner core. The inner core is made of solid iron. It is solid because of the immense pressure put on the inner core.
 * __ What are the layers of the earth’s structure? __**

= = __ What resources do we use from beneath the earth? __ Here are some things people get from beneath the earth’s surface: Black Coal Zinc Tin Iron and other metals Copper Gold Minerals Bore Water Gas Ore.

__ Reflection of Week 5: __ I have learned that beneath the earth’s surface, lie many things that are useful to our day to day lives. I also learned that the inner core of the earth is hot but it isn’t a liquid because of the amount of pressure surrounding the inner core.

What are the different atmospheric layers above us? __** There are 4 layers of the atmosphere above us. The first layer is called the Troposphere. The troposphere is the layer that gives us our good or bad weather. E.G. If Mr Troposphere didn’t like his breakfast he would make a storm. The second layer is the Stratosphere. The Stratosphere get’s hotter the higher you go. This layer is 50km higher than the earth’s surface. The stratosphere is the second major layer of the earth’s atmosphere. The next layer is called the Mesosphere. The Mesosphere is approximately 85km from the Earth’s surface.As you somehow make your way higher into the Mesosphere, the darker and colder it gets’s, with the coldest temperature on record being -90.48 degrees Celsius. The mesosphere is extremely hard to study because no one can get high enough to study it and I wouldn’t want to go there anyway with it being so c-c-cold. The very last layer is the Thermosphere. It is the furthers layer form the Earth’s surface being 600km away. It has hardly any oxygen so it’s impossible to get high enough to study the layer. When you get to the end of the layer, it turns into space, so the only way to get there is by space craft. What effects does the sun and moon have on the Earth? __** The sun and moon give us our seasons like summer and winter. When the sun is overhead the southern hemisphere it gives them summer and the northern hemisphere get’s winter. That’s why we get hot in summer and cold in winter. Also the earth would have nothing to orbit around if the sun wasn’t there. The sun also gives us heat and Vitamin D.Without Vitamin D our lives wouldn’t be the same. Also the sun and moon tell us when it’s night and day. When the sun is up it is day and when the moon is up its night. When the Earth orbits around the sun it gives us the reason why the sun rises in the east and sets in the north.
 * __ Week 6: __**
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This week I have learned a lot about the solar system and how tectonic plates work. I also learned that there is a tectonic plate that is going to split in half in the next 10-50 years. Our solar system is made up of many things like planets, dwarf planets, moons, stars, rocks and heaps more. The planets are very old to be exact 4.43 billion years old. These are the planets.
 * __ Reflection for week 6: __**
 * __Week 7:__**
 * __ What is in our solar system? [[image:the_moon.jpg width="185" height="161" align="right" caption="The moon"]] __**
 * __ Mercury: __** Mercury is our smallest planet and it orbits the sun once every 87 earth days. People think that because Mercury is closest to the sun it is the hottest planet but it’s actually not.
 * __ Venus: __** Venus is the hottest planet even though it’s the second closest planet to the sun. Venus is named after the roman god of love and beauty. Venus orbits around the sun a lot more times and is quicker too.