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Frequency is a way to describe oscillatory motion, such as that by a particle or wave. It describes the time it takes for a motion to repeat itself. It is measured in hertz, which is one oscillation per second. Revolutions…
The Bronsted Lowry definition of an acid and a base is that an acid donates hydrogen ions, whereas a base receives the hydrogen ions. The Kb is the base dissociation constant, or the way in which the ions that compose…
Almost every math-based class has a set of calculators, but the calculators don’t always look the same. Sometimes a class requires a particular type of calculator, which can have functions arranged differently compared to other models of calculators. The learning…
One of the basic terms used in many natural sciences is density, a physical property defined as an object’s mass divided by its volume. This means that to measure density, you typically need to measure an object’s mass and volume…
If you have lived in the same place for even a few years, you have probably noticed the effects of weathering on your surroundings, both the natural landscape and human-made edifices and roadways. For example, if you live in a…
Aggregate is a different way to say add up. When you add up an aggregate, the items you add together should be similar items. For example, in some soccer tournaments, they use aggregate scoring. Aggregate scoring adds together one team’s…
The number of kids in your class who prefer apples to oranges, how a stain responds to a cleaner and the inches a tomato plant grew when watered with lemonade are all examples of data. Facts, observations or statistics assembled…
Trigonometry, the branch of mathematics that describes the relationship between the angles and lengths of triangles, helped early explorers plot the stars and navigate the seas. Nowadays, trigonometry is found in everything from architecture to zigzag scissors. While it may…
Astronomers have identified three main parts of a comet: the nucleus, coma and tail. The tail section is broken into three parts. Some comets, when combined with their tales, can be larger than the distance from the Earth to the…
Force and velocity are two related but different concepts in basic physics. Their relationship is one of the first things that physics students learn about, as part of their study of Newton’s laws of motion. Although velocity does not specifically…
