9th grade Biology#5

by: coookie14

An overview of 9th grade biology for studying.

  1. 1

    anything that has mass and takes up space

  2. 2

    an explanation or representation of something that cannot be seen

  3. 3

    chemicals that result from atoms linking together

  4. 4

    a collection of atoms that all have the same number of protons

  5. 5

    a change that affects the appearance but not the chemical makeup of a substance

  6. 6

    the random motion of molecules from an area of high concentration to an area of low concentration

  7. 7

    a substance that alters the speed of a chemical reaction but does not get used up in the process

  8. 8

    a change that alters the makeup of elements or molecules of a substance

  9. 9

    the tendency of a solvent to travel across a semi permeable membrane into areas of higher solute concentration

  10. 10

    a measurement of how much solute exists within a certain volume of solvent

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