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finals phy. science
| Question | Answer |
|---|---|
| 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 | science |
| the application of science for practical purposes | technology |
| a summary of many experimental results and observations; a law tells how things work | scientific law |
| an explanation for some phenomenon that is based on observation, experimentation and reasoning | scientific theory |
| the ability and willingness to assess claims critically and to make judgments on the basis of objective and supported reasons | critical thinking |
| a series of steps followed to solve problems including collecting data, formulating a hypothesis, testing the hypothesis, and stating conclusions | scientific method |
| a factor that changes in an experiment in order to test a hypothesis | variable |
| a measure of the straight line distance between two points | length |
| a measure of the amount of matter in an object | mass |
| a measure of the size of a body or region in three dimensional space | volume |
| Scientist use computer models to make what? | predictions- example weather models |
| kelvin= | temperature |
| what three types of science are there? | biological science, physical science, earth science |
| what are the branches of earth science? | geology, meteorology, many other branches |
| what are the branches of physical science? | physics, and chemistry |
| what are the branches of biological science? | botany, zoology, ecology, and many other branches |
| kilo= | thousand- 1000 |
| mega= | million-1000000 |
| giga= | billion-1000000000 |
| measure of the gravitational force exerted on an object | weight |
| a method of expressing a quantity as a # multiplied by 10 to the appropriate power | scientific notation |
| the exactness of a measurement | precision |
| a prescribed decimal place that determines the amount of rounding off to be done bared on the precision of the measurement | significant figure |
| a description of now close a measurement is to the true value of the quantity measured | accuracy |
| order of the scientific method | observe, formulate a question, research and collect data, form a hypothesis, test the hypothesis, observation, draw conclusions |
| data that change over a range are best represented by a | line graph |
| data that have specific values for different events or things are best represented by a | bar graph |
| data that represents parts of a whole are best represented by | pie chart |
| scientific notation 10 4 | 10,000 |
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