7 th grade vocabulary
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7 th Grade Vocabulary. Set 1. Physio - Greek root referring to things in their natural form, order, or origin Physiocrat - believes that there is a natural, inherent order for properly governing society. Ex: The physiocrat approves of free trade.

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Physio- Greek root referring to things in their natural form, order, or origin

  • Physiocrat- believes that there is a natural, inherent order for properly governing society.
    • Ex: The physiocratapproves of free trade.
  • Physiognomy- the features or expressions of a face.
    • Ex: Frankenstein’s physiognomy frightened the town’s citizens.
  • Physiography- the study of the earth’s features.
    • Ex: We learned about the earth’s landforms and climates in our physiography class.
  • Physiology- studies the natural chemical and physical functions of living oranisms.
    • Ex: In my physiology class, I learned that the brain sends signals to the heart to make it beat.
  • Physiometry- measures the functions of the body.
    • Ex: The physiometry part of his check-up included a measurement of his resting heart rate.
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Peripheral- an external hardware device that is connected to a computer, usually by a cable.

    • Ex: Keyboards, mice, printers, and monitors are all peripherals. How many peripherals does your computer have connected to it?
  • Backup- a duplicate or copy for the purpose of avoiding loss in case the original is corrupted, destroyed, or lost.
    • Ex: We can make a backup of the information from our hard drive by copying it onto a disk.
  • Compression- the process of making a file or group of files use less storage space.
    • Ex: Using compression software, John condensed his music files so that they were one-tenth their original size.
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The Greek root osteo- means bone

  • Osteoblast- a bone-forming cell.
    • Ex: Healthy osteoblasts are needed for strong bones.
  • Osteochondritis- inflammation of the bone and cartilage.
    • Ex: Knees are often affected by osteochondritis.
  • Osteocope- severe pain in the bones.
    • Ex: Osteocope is symptomatic of certain diseases.
  • Osteogenesis- refers to the formation of the bone.
    • Ex: Osteogenesis occurs early in the embryo.
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Knowing the numerical values of the Greek prefixes proto-, deutero-, and tri- helps us with word meanings

  • Proto- means “first” or “earliest form.”
    • Prototype is the earliest model, or original, of something.
      • Ex: The glider served as a prototype for the airplane.
  • Deutero- means “second.”
    • Deuteronomy is the second statement of Mosaic law in the Old Testament.
      • Ex: The Mosaic laws set forth in the book of Exodus are repeated in the book of Deuteronomy.
  • Tri- means “three.”
    • Triarchy refers to government by three people.
      • Ex: The king, queen, and prince formed the nation’s triarchy.
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