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Luminescence is a process of giving off light without obtaining or generating heat. This can be caused by chemical or biochemical reactions, activity of subatomic particles, radiation or stress on a crystal. Examples of Luminescence Chemoluminescence – This process creates light through a chemical reaction. Common applications are glow sticks (cyalume sticks) and the forensic application […]

A long vowel is a vowel that is pronounced the same as the name of the letter. For example, the “U” is pronounced like “you,” not like “a” which would be the sound of a short vowel. Sometimes a long vowel is combined with another vowel. Long Vowel Words Chart Now that you understand long vowels, check […]

The term “logic” refers to the science that studies the principles of correct reasoning. Logic requires the act of reasoning by humans in order to form thoughts and opinions, as well as classifications and judgments. The foundation of a logical argument is its proposition, or statement. The proposition is either accurate (true) or not accurate (false). The […]

If you already know what the beatitudes are, you will know that living out the beatitudes is very important for a Christian. The purpose of the beatitudes is to inspire you to act in certain ways. Therefore, living them out is absolutely at the heart of the matter. Simple Acts of the Beatitudes The best approach to […]

Literary terms are devices used to make writing better. These help the writer tell a story or make a point. Alliteration Alliteration is a literary term that means two or more words in a row that all start with the same sounds. For example: Three grey geese in a green field grazing, Grey were the geese […]

A lipid is a fat-like molecule and is a major building block of the cells of animals. Lipids are organic, meaning that they contain carbon atoms. Lipids do not dissolve in water. There are several types of lipids. Examples of Types of Lipids Fats Fats make up the largest category of lipids, and also go by the […]

View & Download PDF A linking verb connects the subject with a word that gives information about the subject, such as a condition or relationship. They do not show any action; they simply link the subject with the rest of the sentence. For example, in the sentence “They are a problem,” the word “are” is the linking […]

The term latent learning refers to the process in which learning takes place, but there is no demonstration of that knowledge until a reward or incentive is present. Understanding Latent Learning Some examples of latent learning include: A student is taught how to perform a special type of addition, but does not demonstrate the knowledge until an […]

Landforms are natural physical features of the Earth’s surface. As an element of topography, a landform is defined by its shape, location, and how it was formed. Aeolian Landforms Aeolian landforms are formed by either the erosive or constructive action of the wind. As the wind erodes the land it has the effect of sandblasting the […]

In an ecosystem, all living things rely on each other and work together to be healthy; but, some species are crucial to the way all the species interrelate. When a keystone species is removed from a habitat, the habitat is dramatically changed. All other species are affected and some may disappear from that ecosystem or even become extinct. […]