Mom song
The song above is very funny i think every one would like it.
Science
This week in science we learned about pressure in fluids. One thing that was a large topic during one class was the way in which your ear worked (if you are in grade 8 would would have seen a picture of my face on the smart-board) and what happens when you are sick. Also we talked a lot about the circulatory system which relies on pressure entirely. The reason is when the heart is beating it acts like a pump that draws in blood and after the heart has pumped enough blood the valve shuts and blocks off the blood flow. On the second beat that blood is pushed into the 2 large veins in your body, that branch off in to smaller veins and those veins into smaller ones. A cool fact: it takes 16 minutes for all the blood in your body to circulate your body once.
Math
This year we stared the unit: Fractions and Decimals. this unit so far consists of reducing fractions, adding, subtraction, mixed numbers, improper fractions and we have yet to start the decimals unit.
See you next time.
-Eric
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