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Do you realize your body is full of chemical energy? Chemical energy is present in your body, and it is constantly used to perform daily tasks that you might take for granted. Chemical energy is released when chemical bonds form…
In recent years, 4th grade math curricula have begun to expand on traditional methods of addition, subtraction, multiplication and division to give students a wide range of techniques. One such technique is the partial product method used for multiplication. It…
If you have ever toyed in isolation with the sort of spring encountered in everyday objects and tools – say, the small kind inside the bottom of a “clickable” ballpoint pen – you may have noticed that it has certain…
The proton and the electron were well documented during beginning of the 20th century, but scientists knew there was some unknown influence or particle within the nucleus. This is because the atomic number (the number of protons) was always around…
There are many different ways to measure the speed something is turning, but you’ll need to understand what they actually mean if you need to convert from one to another. For instance, if the crankshaft of a car engine is…
The point of an experiment is to help define the cause and effect relationships between components of a natural process or reaction. The factors that can change value during an experiment or between experiments, such as water temperature, are called…
Crystal doorknobs are not made from quartz crystals — they are made from glass. All the rage in the first 30 years of the 20th century, molded glass and cut-glass crystal doorknobs first appeared in the beginning of the 19th…
Kilowatts (kW) and horsepower (hp) are both measures of power, and converting one to the other is a matter of multiplying by a conversion factor. One horsepower is equal to 0.7457 kilowatts, and one kilowatt equals 1.337 horsepower. Neither unit…
You might not think about turkeys until Thanksgiving Day comes around, but these game birds are pretty interesting. For instance, their process of mating and reproducing is intriguing considering they spend most of the year in separate male and female…
Static electricity can be a bother when it shocks you unexpectedly, but during the winter months and when working with electronics, the static shocks can become frequent and painful. They can even be disastrous if a surprise shock ruins an…
