RPC Essays

History 04 Lesson 120

Christiaan Huygens- Who invented him? God did in April 14, 1629. He invented him at The Hague Netherlands. He invented several things, and his biggest invention is the pendulum clock. And he discovered multiple things, and his biggest discovery was the rings of Saturn. Calculus- Who invented it? Isaac Newton gets the credit even thoughContinue reading “History 04 Lesson 120”

History 04 Lesson 115

Mercury Barometer- Who invented it? Someone named Evangelista Torricelli invented it in 1643. But I don’t know where he invented it. How does it work? You open a tube in a pool and the pool fills up a little and the tube loses a little bit of mercury until the atmospheric pressure is level withContinue reading “History 04 Lesson 115”

History 04 Lesson 11000000000000000000000000000000

Mersenne’s Laws- Mersenne’s laws mathematically determine how to tune string instruments. Galileo had the idea first but Mersenne proved the laws experimentally. Mersenne’s laws govern the construction and operation of string instruments, such as pianos and harps. Cartesian Coordinates- The cartesian coordinate system unified geometry and algebra for the first time. Cartesian coordinates established aContinue reading “History 04 Lesson 11000000000000000000000000000000”

English 04 Lesson 110

My talent is athletics and I am good at sports. I play sports all throughout the year. I play soccer, basketball, baseball, and football. I use my talent to play and win games.

Science 04 Lesson 95

Gila monsters are one of the two proven venomous lizards. A Gila monster bite is very painful to humans, but it rarely causes death. The Gila monster is in the family Helodermatidae. Its scientific name is Heloderma suspectum. Its predators are humans, coyotes, and birds of prey. Gila monsters lay 8 eggs most of theContinue reading “Science 04 Lesson 95”

Science 04 Lesson 109

True crocs are a part of the Crocodilia reptile order. There are only 14 species of true crocs. Crocs and alligators are in the Crocodylidae subfamily. Saltwater crocodiles are the bigger than all the other crocs and they are bigger than the biggest alligators. Saltwater croc males can weigh 3000 pounds and grow over 20Continue reading “Science 04 Lesson 109”

English 04 Lesson 95

If I had a superpower it would probably be shapeshifting so I could slip through tiny place and then turn big so I could scare my sisters and my mom.


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