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Properties of Liquids

The properties of liquids are easy to recognize and are different from gases and solids. Learn about surface tension, intermolecular forces, and meniscus here!
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Leitner System for Flashcards

The Leitner system groups flashcards based on memory retention, so the less familiar cards get repeated more. Learn the Leitner system for studying success!
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Neuropathic Pain

Neuropathic pain has various causes, and medical professionals must appropriately treat the pain level. Learn how this pain is diagnosed and medicated.
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Ideal Gas vs. Real Gas

The differences between ideal and real gases are determined by their molecular properties. Learn how to calculate the volume of gases and more here!
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Apostrophes

The apostrophe is a punctuation mark which is often misused in contractions, plurals, and possessives. Learn how to use it correctly with examples here!
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Opportunity Cost

Economists define opportunity cost as the foregone value of the next best alternative. Click here to learn about the Law of Comparative Advantage!
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Gerunds, Participles, and Infinitives

Gerunds, participles, and infinitives are words formed from verbs but function as another part of speech. Click here to learn about these grammar concepts!
ADDITIONAL RESOURCES:

Practice Questions

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ENGLISH

Adjectives in a Series

Adjectives in a series must be separated by commas and follow standard grammar conventions. Learn all about the rules for these descriptive words here!
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Adjectives

An adjective describes a noun or pronoun and answer descriptive questions. Learn how adjectives convey shades of meaning and specify an author's meaning!
ADDITIONAL RESOURCES:

Fact Sheet