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  1. Children | Definition of Children at › browse › children

    Children definition, plural of child. See more. The District shut five school buildings this week after multiple children and staff members tested positive for the coronavirus, though officials say they have so far seen no evidence of spread in the city’s school buildings.

  2. Natural Science | Definition of Natural Science by Merriam ... › dictionary › natural science

    Natural science definition is - any of the sciences (such as physics, chemistry, or biology) that deal with matter, energy, and their interrelations and transformations or with objectively measurable phenomena.

  3. Printable Guide — Science of Reading: A Defining Moment › science-of

    The Definition. The Science of Reading is a vast, interdisciplinary body of scientifically-based* research about reading and issues related to reading and writing.. This research has been conducted over the last five decades across the world, and it is derived from thousands of studies conducted in multiple languages.

  4. Science fiction - Wikipedia › wiki › Science_fiction

    Science fiction (sometimes shortened to sci-fi or SF) is a genre of speculative fiction that typically deals with imaginative and futuristic concepts such as advanced science and technology, space exploration, time travel, parallel universes, and extraterrestrial life.

  5. The Definition of Home | Science | Smithsonian Magazine › science-nature › the

    The Definition of Home Be it ever so humble, it’s more than just a place. It’s also an idea—one where the heart is

  6. Social Science | Definition of Social Science by Merriam-Webster › dictionary › social science

    Apr 26, 2021 · Social science definition is - a branch of science that deals with the institutions and functioning of human society and with the interpersonal relationships of individuals as members of society.

  7. Gratitude Definition | What Is Gratitude › topic › gratitude

    Gratitude may also encourage a more equitable division of labor between partners. Gratitude promotes forgiveness—even between ex-spouses after a divorce. Gratitude makes us “pay it forward”: Grateful people are more helpful, altruistic, and compassionate—in other words, more prosocial.

  8. work | Definition, Formula, & Units | Britannica › science › work-physics

    Work, in physics, measure of energy transfer that occurs when an object is moved over a distance by an external force at least part of which is applied in the direction of the displacement. The units in which work is expressed are the same as those for energy.

  9. virus | Definition, Structure, & Facts | Britannica › science › virus

    Virus, infectious agent of small size and simple composition that can multiply only in living cells of animals, plants, or bacteria. Viruses possess unique infective properties and thus often cause disease in host organisms. Learn about the history, types, and features of viruses.

  10. Citizen science - Wikipedia › wiki › Citizen_science

    The terms citizen science and citizen scientists entered the Oxford English Dictionary (OED) in June 2014. "Citizen science" is defined as "scientific work undertaken by members of the general public, often in collaboration with or under the direction of professional scientists and scientific institutions". "

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