Tag: Short Paragraph
Pyramids The word Egypt evokes various images in people’s minds. They may think of the great stone pyramids, the Sphinx, or even the Nile River. One of these magnificent …
Pre-Computer The difference engine was a pre-computer that Charles Babbage created. It had a lot of moving parts that made jammed all the time and made it useless. Next …
Potassium Potassium is a metallic chemical element that is abundant in the Earth’s crust. Its salts are found in seawater. It is a part of soil rocks and minerals. …
Polio Vaccine How the polio vaccine caused more harm than good Poliomyelitis, also called polio or “infantile paralysis,” is an acute viral infection caused by the poliovirus. In the …
Polar Bear Scientists believe that Ursus Maritimus, the “sea bear,” evolved about 200,000 years ago from brown bear ancestors. Polar bears are the world’s largest land predators. They top …
Plato The traditional dates of Plato’s lifespan are 428 BCE to 3148 BCE. He was born in Athens to an aristocratic and well-to-do family. While Plato was still young, …
Plate Tectonics Plate Tectonics is a theory proposed and accepted by scientists to explain the nature of Earth’s surface characteristics and oceanic and continental make-up. Plate tectonics divides the …
Plastic Surgery Rings a bell to most people as what big time celebrities get to look even more perfect. Almost unreal. An unnatural thing to some but understandable for …
Plastic Chemistry The use of plastics is forever increasing from the days in which it was first invented. Not only does plastic now replace materials such as metal, glass, …
Photosynthesis Animals and plants both synthesize fats and proteins from carbohydrates; thus glucose is a basic energy source for all living organisms. The oxygen released, with water vapour in …
