The impact on history

Lesson 50 The Trebuchet The trebuchet spread in popularity as a weapon because it could break through walls and could throw very far. It also was famous because of its repeated success in battle. It had a big effect in the wars of China, Europe, and the Islamic world. The use of the trebuchet declined …

Enzymes

Lesson 72 How to Get Enzymes in Food Enzymes are in raw foods like vegetables and meat. You can't get enzymes from processed food like fries or donuts or things like that. But if you cook the meat or vegetables the enzymes in the food dies. But, if you steam your food it wont lose …

Water Hydration

Lesson 71 Everyone needs water to live and everyone knows that, but not a-lot of people know how much water they need to stay healthy! An easy way of knowing how much water you need a day is to weigh yourself and then divide your weight by two. This equals how many ounces of water …

The Impact of Some Inventions in History

Lesson 65 Buttons Before buttons were invented people did their clothes up with broaches. They never fit quite right. The button made it possible for people's clothes to fit tighter so they could be warm and also it made it so you could tell someone's class. When the button was first invented they were very …

Why Smoking is Bad for You

Lesson 68 What Smoking Can do to You Smoke itself and the toxins in the smoke damage your health. Smoking can give you cancer, heart disease, stroke and can even damage your teeth, bones, muscles, brain and eyes! If you only smoked two cigarettes it would not do any long term harm. The harm is …

Robot Locomotion

Lesson 40 Robots have all kinds of legs, and wheels and more! And they are used for all kinds of different things. And if you don't use the right kind of locomotion on the right terrain your robot wont work as well. Wheels can be used for many things like going over big hills and …

Robot ideas

Lesson 45 Some day I would like to live in the country and I would have a big garden and a well so that I could water my plants! But it would be even better if I could make a system that could pump the well water and take it to the plants!! It would …

Universities, Wine press, Ribbed vault ,Chimney

Lesson 55 Summary of what I learned this week: Universities Many great schoolers have gone to universities and those great schoolers helped other people learn! It's a great place to network and get to know people in your field and then start a business together or work together. The only problem with universities is that …

My Dream Job

I love to act. In fact I have done professional acting! I have been in a Hallmark movie called, "Christmas Connection" and I have been in the play "Macbeth" at Stratford Festival and the musical "The Little Mermaid" in Drayton Entertainment. But I do not know if I want that to be my job. I …

Islamic scholars

Lesson 50 Al-Kindi was a scholar and a teacher at the House of Wisdom in Baghdad around 760 AD. He read a lot and took ideas from other writers and scholars and put them in categorized books that he wrote. He also came up with cryptanalysis. Cryptanalysis is when you create a code in order …