Something we did this Week

One ting we did this week was a lab about how much mosture it would take to make it rain. We used cottonballs to represent clouds, and we used little drops of water to represent moisture. First, we put the water in the doppers. Then one of us held the cottonball, and one of us put the water drops in the cottonball. Next, we counted how many drops it took to make the cottonball empty the water inside of it. For us took  318 drops for it to overflow. Even when I was holding the cottonball, it was wet on the outside and inside. It was very interesting, and I had alot of fun doing it.

Blog Challenge Summary

For the last Blog Challenge, I decided to summarize the entire blog challenge. I visited the actual website for the individual challenges, and I think that challenges 9, 6, and 2 were the most interesting. I could not embed things in my blog because I have a free acount in edublogs. I  also did not make global connections. I think that the blog challenge was exciting because I have never had a blog before.

The History of Christmas

The holiday Christmas is celebrated to celebrate the birth of Jesus Christ. Christmas wasn’t celebrated from the start of Christianity; Easter was the main holiday. In the fourth century, church officials decided to make the birth of Jesus a holiday. There was only one problem. The Bible does not give a date of his birth. Pope Julius I chose December 25 to adopt the traditions of the Saturnalia Festival.

Early Christmas was celebrated  in a drunked atomosphere, alot like today’s Mardi Gra. A student would be crowned the Lord of Mirule, and celebrants  would play the part of his subjects. The poor would go to the rich’s houses and demand their best foods and drinks, and if they did not comply, the poor would terrorize them with mischeif.

When Puritan forces took over England in the 1600’s, Christmas was cancelled. When Charels II was restored the throne, Christmas returned. In early America, Christmas was not celebrated. It was actually outlawed in Boston from 1659 to  1681. After the American Revoulution, alot of English customs, including Christmas, was dropped. Congress was in session on the first Christmas under America’s new constition.

Americans re-invented Christmas from a carnival-based holiday to a family-centered day of peace. They did it to fill the needs of a growing nation.

Creativity Websites

For the Blog Challenge 7, I went to three creativity sites, and this is my post about them. First, I went to the Huje Tower website where you make towers to make it to the sky by using bacteria. The bacteria will link together. The second website I went to was Magic Pen. You draw objects to move the ball to the red flag. There is a tutorial to walk you through. The third website I went to was Fantastic Contraption. There is two tutorial levels. This was my post for Blog Challenge 7.

United Nations Website

The United Nations is an organization that works to achive world peace, to help people live better lives, eliminate poverty, disease and illiteracy, and to stop environmental destruction. It’s predecesser was the League of Nations, which never worked. The United Nations website has many interesting things on it. There is an overview of it’s history, and some cool games. One game is about learning about how to help natural disasters from  being so destructive. This is a great website.

E.Q:How do we know what Earth’s interior looks like when we can’t see it?

We know what the Earth’s interior looks like because scientists use seismic waves to figure out where each layer is. P waves travel through both solid and liquid, but through liquid slower. S waves travel through solids, but not through liquid. They also travel slower than P waves. By using this, we can tell where each layer is, and what each layer is made up of.

Another way scientists can know what the interior of Earth looks like is by studing shadow zones. Shadow zones are areas where P and S waves do not occur. The bigger the core, the bigger the shadow zone. This can tell you how big, and where the core is. All of these factors can tell you what Earth’s interior looks like. 

 

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