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Related Concept Videos

Classifying Matter by State02:49

Classifying Matter by State

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Chemistry is the study of matter and the changes it undergoes. Matter is anything that has mass and occupies space. Matter is all around us; the air, water, soil, mountains, even our bodies are all examples of matter. Matter is divided into three states — solid, liquid, and gas — that are commonly found on earth. The fourth state of matter, plasma, occurs naturally in the interiors of stars. 
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Matter: Pure Substances and Mixtures
According to its composition, the matter can be classified into two broad categories — pure substances and mixtures. 
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The characteristics that enable us to distinguish one substance from another are called properties.
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The Atomic Theory of Matter02:59

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The earliest recorded discussion of the basic structure of matter comes from ancient Greek philosophers. Leucippus and Democritus argued that all matter was composed of small, finite particles that they called atomos, meaning “indivisible.” Later, Aristotle and others came to the conclusion that matter consisted of various combinations of the four “elements” — fire, earth, air, and water — and could be infinitely divided. Interestingly, these philosophers...
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The substance of the universe—from a grain of sand to a star—is called matter. Scientists define matter as anything that occupies space and has mass. An object’s mass and its weight are related concepts, but not quite the same. An object’s mass is the amount of matter contained in the object and is the same whether that object is on Earth or in the zero-gravity environment of outer space. An object’s weight, on the other hand, is its mass as affected by the pull of...
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States of Matter01:20

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Solids, liquids, and gases are the three states of matter commonly found on Earth. A solid is rigid and possesses a definite shape. A liquid flows and takes the shape of its container, except it forms a flat or slightly curved upper surface when acted upon by gravity. Both liquid and solid samples have volumes nearly independent of pressure. A gas takes both the shape and volume of its container.
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Understanding Dissolved Organic Matter Biogeochemistry Through In Situ Nutrient Manipulations in Stream Ecosystems
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New COPE guidelines on publication process manipulation: why they matter.

Jigisha Patel1

  • 1Springer Nature, London, UK.

Research Integrity and Peer Review
|December 4, 2018
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Publication process manipulation is a growing misconduct in scientific publishing. New Committee on Publication Ethics (COPE) guidelines offer a collaborative approach for editors and publishers to address this issue.

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Area of Science:

  • Scientific publishing ethics
  • Scholarly communication integrity

Background:

  • Publication process manipulation is an emerging form of misconduct impacting the integrity of scholarly communication.
  • Addressing this issue presents challenges for individual journal editors and publishers due to its complex nature.

Discussion:

  • The editorial details the nature of publication process manipulation.
  • It explains the difficulties faced by editors and publishers in managing such misconduct.
  • The background leading to the development of new COPE guidelines is outlined.

Key Insights:

  • New Committee on Publication Ethics (COPE) guidelines provide a framework for managing publication process manipulation.
  • These guidelines emphasize the need for openness and collaboration among publishers.
  • The development of these guidelines is a significant step in combating scholarly publishing misconduct.

Outlook:

  • The COPE guidelines aim to foster greater cooperation between publishers to tackle publication process manipulation.
  • This initiative represents a foundational effort to standardize responses to publishing misconduct.
  • Continued collaboration is essential for maintaining the credibility of the scientific record.