What is the physical property of filtration? Physical separation methods, such as filtration and distillation, are based on the difference in particle size and on the boiling point of the substances in the mixture, respectively. These are properties that can be observed and measured without changing the material itself. What kind of mixture can be […]
What is the reading on the vernier calipers?
What did they use for light in 1600s?
What did they use for light in 1600s? Medieval lighting came from large central fireplaces, candles, rush lights, flaming torches or lanterns. Candles, which had been around since Roman times, were made from animal fat, or beeswax if you were wealthy. How did people light candle chandeliers? The very wealthy used high grade beeswax candles, […]
Is making jewelry out of coins illegal?
Is making jewelry out of coins illegal? The answer is no: it is not illegal to make jewelry out of coins. It only becomes illegal if a person is attempting to fraudulently alter the coin. Consider the penny smashing machine at national parks and many other government and public attractions. U.S. Code is 18 U.S.C. […]
Which two scales are used to measure the temperature?
Which two scales are used to measure the temperature? The three most common temperature scales are Fahrenheit, Celsius, and Kelvin. Temperature scales are created by identifying two reproducible temperatures. The freezing and boiling temperatures of water at standard atmospheric pressure are commonly used. What is the formula for finding Celsius? How to Convert Temperatures. First, […]
Can you use an electric motor as a generator?
Can you use an electric motor as a generator? Always use caution when working with electricity. Your permanent magnet electric motor can be used as a generator. All that needs to be done is to apply an external power source to spin the shaft of any permanent magnet electric motor and your motor becomes a […]
What keeps the sun from exploding?
What keeps the sun from exploding? The inward pressure that keeps a star from exploding is the gravitational attraction of the gas mantle surrounding the core (which is most of the volume of the Sun, and is very hot but does not burn itself). Why does the sun not explode like a hydrogen bomb? The […]
What is the relation between charge and mass?
What is the relation between charge and mass? The charge-to-mass ratio (Q/m) of an object is, as its name implies, the charge of an object divided by the mass of the same object. This quantity is generally useful only for objects that may be treated as particles. Why does oxygen need 2 electrons? Oxygen needs […]
What is honesty with example?
What is honesty with example? The definition of honest is someone or something that is truthful, trustworthy or genuine. An example of honest is someone telling their friend that a meal they prepared had too much salt. An example of honest is a student admitting they cheated on a test. Honest weight. What three things […]
Why is coffee so addictive?
Why is coffee so addictive? How Caffeine Affects the Brain. Caffeine is addictive because of the way that the drug affects the human brain and produces the alert feeling that people crave. Soon after caffeine is consumed, it’s absorbed through the small intestine and dissolved into the bloodstream. Is Quitting caffeine good? 2. You’ll sleep […]