Ch 4 Vocab- Chem
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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| Hypothesis | testable statement
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| Theory | broad generalization that explains a body of facts or phenomena
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| Derived Unit | Combinations of SI base units
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| Density | ratio of mass to volume, or mass/volume
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| Accuracy | the closeness of a set of measurements to the correct or accepted value of the quantity measured
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| Direct Proportion | if dividing one by the other gives a constant value
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| Precision | the closeness of a set of measurements of the same quantity in the same way
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| scientific method | principles and procedures for the systematic pursuit of knowledge involving the recognition and formulation of a problem, the collection of data through observation and experiment, and the formulation and testing of hypotheses.
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| model | explanation if how phenomena occur and how data or events are related
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| SI | Le Systeme International d'Unites
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| Quantity | something that has magnitude, size, or amount
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| Inverse Proportion | constant product
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| Percent Error | calculated by subtracting the experimental value from the accepted value, dividing the difference by the accepted value and then mutipling by 100
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| system | specific portion of matter in a given region of space
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| conversion factor | which represents the relationship between two different units.
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| weight | measure of gravitational pull on matter
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| volume | amount of space occupied by an object
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| significant figures | consists of all digits known with certainty plus one final digit
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| scientific notation | mathematical expression used to represent a decimal number between 1 and 10 multiplied by ten
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To hide a column, click on the column name.
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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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