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Gravity is a force that holds planets and moons in orbit around the sun. The moon has a gravitational pull on oceans... Read More >>
The ancient Romans made ruby-colored glass from minute traces of gold chloride. Alchemists believed that ordinary... Read More >>
Open your eyes! Ready your ears! It's time to learn with the Ace Compeers! The Ace Compeers are back for their... Read More >>
Red phosphorus is a less toxic form of phosphorus that does not ignite on its own. It is often used in pesticides,... Read More >>
Sulfur is one of the most abundant elements in the universe. It is a non-metallic element that occurs naturally.... Read More >>
Conduction is the second most common form of heat transfer. Unlike convection, this is a process that occurs in... Read More >>
Human activity increases greenhouse gas emissions, which contribute to the greenhouse effect. The main anthropogenic... Read More >>
It is important to know the facts about greenhouse gas emissions. They are a result of burning fossil fuels. The... Read More >>
The second law is about the relationship between the force that is applied and the momentum that the body experiences.... Read More >>
Most chlorine is in the form of sodium chloride. This is a common compound and is present in seawater and brine... Read More >>
The ozone layer is a layer of the Earth's atmosphere that absorbs ultraviolet rays. Although it is important to... Read More >>
The largest single use of a resource is water. In fact, it accounts for over ten times the amount of consumption... Read More >>
Scientific models help scientists make predictions about complex systems. They are used to explain phenomena, and... Read More >>
In the past, man has used various forms of energy. Some of these include light, heat, and motion. The first source... Read More >>
Meteoroids are pieces of space debris that enter the Earth's atmosphere... Read More >>
Meteorology is the study of weather and the atmospheric processes that cause it. Weather includes temperature, wind,... Read More >>
In addition to keeping your home safe, you should take precautions when you are on the job. Electrically related... Read More >>
The Milky Way is a spiral galaxy. It has a huge bulge at its center. This bulge is created by the presence of hydrogen.... Read More >>
Potassium is also found in various foods. Foods that are rich in potassium include nuts and pulses. Other sources... Read More >>
Fluorine is the lightest halogen and the most electronegative element on the periodic table. It has nine protons... Read More >>
Using fossil fuels for energy is bad for the environment. They are toxic and release harmful gases into the air.... Read More >>
Fossil fuels are a low cost and versatile energy source. But they are becoming less plentiful. In fact, we are on... Read More >>
When something is moving, it will possess energy. This energy can be either mechanical or kinetic. If the object... Read More >>
Fossil fuels are energy resources that can be extracted from the remains of organic plants and animals. They include... Read More >>
A wormhole is a fictitious passageway linking two distant points. Although a wormhole is the stuff of science fiction,... Read More >>
