Have you ever wondered how a snowflake is formed? This video will explain it all.
Muscle Fatigue Experiment
Today we did an experiment to show what muscle fatigue is. We tested it by squeezing a cloths pin as many times as we could in 30 seconds.
There is a pattern in my data showing that at first when I started I wasn't tired and got a high number. Then it started to slump downwards until I hit the 100's but then I went back up. I think this happened because after a while my muscles began to remember the movement of my hand to squeeze the pin faster.
Graham's data showed that he was getting lower numbers than me but possibly it was because I had stronger hand muscles or that I adapted to the movement quicker than Graham but there was a similar pattern in his because ours both went down then back up.
The patterns might indicate that at first your hands are ready to work but then they get tired and by the end of the period your hands have remembered the movements.
I think that my results were pretty reliable but i could've made them more accurate if i had changed my action.
These 2 videos show how the Muscular System and Nervous System work together to catch a ruler by doing an experiment. The Muscular System moves your arm to catch the ruler and the Nervous System sends chemical signals to your muscles to tell them to catch the ruler.
In math class today we learned about sample sizes. You know how sometimes people say that an average American family makes around $60,000 a year.
The people do this by surveying people to see what they make. Not everyone wants to tell how much they make so how can they be accurate.
They can be accurate if they stick to the claims they make and by surveying as many people as possible to be as accurate as they can.
The 1st graph represents how many colored candies me and my partner got together out of 10 candies and the 2nd graph represents how many candies of each color the whole class got.
Causes of the Revolutionary War
This History Alive Unit is good for showing how Cause and Effect work because when the British made a new law the colonists reacted in different ways. It shows that that if the British passed an unfair law (cause) the colonists were angered (effect).
Also, this Unit shows the importance of communicating because the British didn't communicate with the colonists very well and they ended up fighting.
The Townshend Acts are Repealed
Today in our Revolutionary War Simulation we were assigned a topic that happened in 1700's. I was assigned the Townshend Acts and when they were repealed.
The Townshend Acts were laws passed by Great Britain to have the colonists have to pay more money for items like tea, lead, paper, paint, and glass. They passed the act so the colonists could pay to make the governors and important people in Great Britain richer and they wanted to punish New York for failing to agree to the Quartering Act (this is a link to learn about the Quartering Act: http://en.wikipedia.org/wiki/Quartering_Acts)
The colonists hated this law and that was the cause of the Boston Massacre because the colonists were angry so the British sent in some troops to show the people of Great Britain's power. (Link to Boston Massacre: http://en.wikipedia.org/wiki/Boston_Massacre)
In class today we searched other energy producers instead of looking up the main 6 (Biomass, Nuclear, Solar, Geothermal, Hydropower, and Wind).
Each group got assigned a Plan B energy producer and got Nuclear fission. Nuclear fusion is another (safer) way to power the earth.
It is safer than using nuclear power plants, which present big problems. Nuclear fission is the process of splitting atoms apart which release lots of energy which is then converted into electricity.
Here is the website explaining nuclear fission: https://www.youtube.com/watch?v=4Cb7iqaN91c
NORAD Santa Tracker 2012 - 2013
Every year on Christmas Ever my family goes to our mom's friend's house and our cousin's house to celebrate. At our friend's house they like to track Santa on NORAD, a Santa - tracking website (above). We like to check where he is, see where he will go next, and watch videos that NORAD's jet's catch while flying. It is really fun!!!
Here is the link to the Santa - tracking website (it also has FAQ's about Santa): http: //www.noradsanta.org/en/
Write something about yourself. No need to be fancy, just an overview.