Chapter 3 vocabulary
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| mixture | combination of substances in which individual substances retain their own properties.
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| organic compounds | compounds that always contain carbon and hydrogen and usually are associated with living things.
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| carbohydrates | nutrient that usually is the body's main source of energy.
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| lipids | organic compound found in living things that do not mix with water.
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| proteins | large molecules that contain carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur and is made up of amino acids; used by the body for growth and for replacement and repair of body cells.
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| matter | anything that has mass and takes up space.
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| energy | anything that brings about change.
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| electron | when something is made up of only one kind of atom.
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| ions | electrically charged atoms.
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| molecular compounds | compounds that are formed when different atoms share their outermost electrons.
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| ionic compounds | ions of opposite charges attracted to one another to form electrically neutral compounds.
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| nucleic acids | large organic molecules that store important coded information in cells.
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| inorganic compounds | compounds made from elements other than carbon.
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| passive transport | the movement of substances through the cell membrane without the input of energy.
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| diffusion | the random movement of molecules from an area where there is relatively more of them into an area where there is relatively fewer of them.
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| equilibrium | occurs when molecules of one substance are spread evenly throughout another substance.
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| osmosis | the diffusion of water through a cell membrane.
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| facilitated diffusion | a type of passive transport where substances are so large that they can enter the cell only with the help of transport proteins.
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| transport proteins | used to move substances into and out of the cell.
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| periodic table | chart of elements that provide mass, how many protons, and the symbol of an element
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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