Electron Microscope FM radio Nuclear Fission Transistor Electron Microscope The germ theory existed before we knew they existed for sure. The microscopes of the day were unable to detect germs and viruses. Electron microscopes were invented in 1933 in Germany. It lets super tiny organisms like germs and viruses be seen. They allow us to …
Category Archives: Grade 5
One Thing I Would Like to Learn
I would like to learn how to be a professional drone photographer at some point in my life. Flying drones is fun, and it is fun to look down from above. I would like to learn to do drone photography. I think it would be cool to get really good at flying camera drones and …
History Lesson #150
Crystal oscillator George Washington Carver Yagi Uda Antenna Penicillin Crystal Oscillator The crystal oscillator was invented in the 1920’s. It uses a crystal to create electric current. It is used in quartz clocks, radios, and computers’ micro processing chips. George Washington Carver The civil war ended with slavery being abolished. Carver was born into a …
History Lesson #140
Diesel Engine Mousetrap Radio Semi-Automatic Shotgun Diesel Engine Rudolph Diesel invented the diesel engine after realizing that the aging steam engine was quite inefficient. The diesel engine uses compressed air to run an engine, along with a new fuel, which Diesel developed. Diesel’s engine was put into locomotives and boats. It is now quite common among …
History Lesson #135
Coca-Cola Induction Motor Ballpoint Pen Zipper Coca-Cola In the 1800’s, alcohol banning was beginning so spread on a local scale. John Pemberton lived in Atlanta, GA. He fought in the Civil War and got slashed on the shoulder. It was painful, so he took morphine. He got addicted. So he tried to come up with …
History Lesson #130
Light Switch Skyscraper Dishwasher Electromagnetic Waves Light Switch Thomas Edison invented a light bulb. But many other people invented different light bulbs that didn’t work as well. Joseph Swan was one of them. He lived in England. John Holmes went to a public demonstration of Swan’s. Holmes noticed what type of switch Swan used for his bulb. …
History Lesson #125
Light Bulb Cash Register Thermostat Steam Turbine Light Bulb Before he became an inventor, Thomas Edison saved the life of a three-year-old boy who was about to get run over. The boy’s father got Edison a job at Western Union telegraph company, although he was soon fired for doing experiments on his nightshift; however, the …
If I Could Live Anywhere On Earth, Where Would I Live?
Even if I could live anywhere else, I would live in Indianapolis (Indy), Indiana, right where I already do. Indy provides everything I need. I would just stay put. Indianapolis provides all I could ask for (at the moment). Almost all my near relatives live here. There are plenty of places to get burgers. There …
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History Lesson #120
Telephone Carpet Sweeper Phonograph Moving Pictures Telephone Alexander Gram Bell was inspired by the telegraph, and Joseph Henry, to invent the telephone. Henry gave Bell advice and encouragement when Bell told him about his idea. The telephone allows us to communicate across long distances. Bell went on to create Bell telephone company, or AT&T (American …
Cats: My Favorite Animal
My favorite animal is a cat. Cats are cute, cuddly and fun. Cats eat mice. Cats only do their business in one place, and are much easier to clean up after. Cats are my favorite animal. Cats are very cute and super fun! They like to snuggle and sometimes sleep in your bed. They are …