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Holt Phys Sci Ch. 1
Vocab
| Term | Definition |
|---|---|
| science | the knowledge obtained by observing natural events and conditions in order to discover facts and formulate laws or principles that can be verified or tested. |
| technology | the application of science for practical purposes. |
| scientific law | a summary of many experimental results and observations; a law tells how things work |
| scientific theory | an explanation for some phenomenon that is based on observation, experimentation, and reasoning. |
| critical thinking | the ability and willingness to assess claims critically and to make judgments on the basis of objective and supported reasons. |
| scientific method | a series of steps followed to solve problems including collecting data, formulating a hypotheses, testing the hypothesis, and stating conclusions. |
| variable | a factor that changes in an experiment in order to test a hypothesis. |
| length | a measure of the straight-line distance between two points. |
| mass | a measure of the amount of matter in an object. |
| volume | a measure of the size of a body or region in three-dimensional space. |
| weight | a measure of the gravitational force exerted on an object. |
| scientific notation | a method of expressing a quantity as a number multiplied by 10 to the appropriate power. |
| precision | the exactness of a measurement. |
| significant figure | a prescribed decimal place that determines the amount of rounding off to be done based on the precision of the measurement. |
| accuracy | a description of how close a measurement is to the true value of the quantity measured. |
Created by:
mhaase
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