Category: Physics

What are the 3 ways to generate magma? There are three principal ways rock behavior crosses to the right of the green solidus line to create molten magma: 1) decompression melting caused by lowering the pressure, 2) flux melting caused by adding volatiles (see more below), and 3) heat-induced melting caused by increasing the temperature. […]

How much of a deca makes a kilo? Convert Decagrams to Kilograms 1 Decagram is exactly 0.01 kilograms (SI unit). As per the prefix deca it is ten grams; a gram is a thousandth of a kilogram, the SI base unit of mass. Is Deca a 10? Deca- (International spelling as used by the International […]

What is the formula for calculating atomic mass? Calculating Average Atomic Mass Average atomic mass = f1M1 + f2M2 +… + fnMn where f is the fraction representing the natural abundance of the isotope and M is the mass number (weight) of the isotope. The average atomic mass of an element can be found on […]

Why Newton is the greatest scientist? New Scientist once described Isaac Newton as “the supreme genius and most enigmatic character in the history of science.” His three greatest discoveries — the theory of universal gravitation, the nature of white light and calculus — are the reasons why he is considered such an important figure in […]

How do weather stations collect data? Weather instruments collect data from all over the world at thousands of weather stations (figure below). Many are on land, but some float in the oceans on buoys. Weather stations collect data on land and sea. Weather balloons, satellites, and radar collect data in the atmosphere. Which tool do […]

What is volume in physics for kids? Volume refers to the amount of space the object takes up. In other words, volume is a measure of the size of an object, just like height and width are ways to describe size. If the object is hollow (in other words, empty), volume is the amount of […]

What overpowers you without hurting? Brain Teasers A B What overpowers you-without hurting you? Sleep What question can you never truthfully answer “yes” to? “Are you asleep?” I have two U.S. coins totaling 55 cents. One is not a nickel. What are the coins? 50 cent piece and a nickel (one is not a nickel; […]

Do forces always act alone? The statement “Forces always act alone” is false. Force do not always act alone. It is always accompanied by another force that is always opposite to it. When you whirl a can at the end of a string? Example: If you whirl a tin can on the end of a […]

What is expository and example? Filters. The definition of expository is something intended to explain or describe. An essay that is intended to explain a series of events is an example of an expository essay. What are the examples of expository writing? Common examples include newspaper articles, how-to manuals, and assembly instructions. Expository writing is […]

What are 3 major differences between plant and animal cells? Major structural differences between a plant and an animal cell include: Plant cells have a cell wall, but animals cells do not. Cell walls provide support and give shape to plants. Plant cells have chloroplasts, but animal cells do not. What separates animals from plants? […]