1st semester vocab
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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| safety | the condition of being protected from or unlikely to cause danger, risk, or injury.
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| lab equipment | the type of equipment found in a building or room equipped for conducting scientific research or for teaching practical science, as for carrying out scientific experiments, etc.
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| density | the degree of compactness of a substance.
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| chemical change | any process determined by the atomic and molecular composition and structure of the substances involved
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| physical change | a change from one state (solid or liquid or gas) to another without a change in chemical composition
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| atoms | the basic unit of a chemical element.
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| periodic table | a table of the chemical elements arranged in order of atomic number, usually in rows, so that elements with similar atomic structure appear in vertical columns
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| chemical formulas | a set of chemical symbols showing the elements present in a compound and their relative proportions, and in some cases the structure of the compound.
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| chemical equations | the symbolic representation of a chemical reaction wherein the reactant entities are given on the left-hand side and the product entities on the right-hand side
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| balanced forces | Forces are balanced when the forces pushing (or pulling) an object in one direction are the same size as the forces acting in the opposite direction.
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| unbalanced forces | In physics, tension is the pulling force exerted by a string, cable, chain, or similar solid object on another object.
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| newton's 1st law | an object at rest remains at rest and an object in motion remains in motion unless acted upon by an outside force
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| newton's 2nd law | F=ma
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| newton's 3rd law | with every action there is an equal and opposite reaction
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| speed calculations | S=D/T
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| distance calculations | D=ST
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| time calculations | T=D/S
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| speed graphs | graph that shows distance over time
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| acceleration graphs | graph that shows speed over time
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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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