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Olivia's Science
Vocab
| Term | Definition |
|---|---|
| graph | a visual display of information or data |
| line graph | shows change over time |
| bar graph | compares groups or categories |
| independent variable | factor you change and it goes on the x-axis |
| dependent variable | factor you measure and it goes on the y-axis |
| graphs need these 5 things | title, axis labels, units of measure, even spacing, and often a key |
| circle graphs (ipe chart) | used to show parts of a whole or percentages |
| testable questions | a scientific question should be something that can be investigated through an experiment or by collecting data |
| independent variable | the factor that the scientist deliberately changes and goes on the x axis |
| dependent variable | the factor that is measured or observed and goes on the y axis |
| constants | factors that are kept the same for every (one or thing) in the experiement |
| control group | a group used as a comparison. The control group does not receive the experimental change being tested |
| Mass | the amount of matter in an object |
| Length | the distance from one point to another |
| liquid volume | the amount of space occupied by a liquid |
| time | the interval between two events. A stopwatch or a watch can be used to measure time. |
| Metric / SI examples | centimeter, meter, milligram, gram, liter, kiloliter |
| US customary examples | inch, foot, yard, ounce, pound, gallon |
| qualitative observations | describes something using the words or qualities rather than numbers |
| quantitative observations | uses numbers or measurements |
| metric system | length- meter; mass- gram; liquid volume- liter |
| kilo, hecto, deca, base, deci, centi, mili | king hector died by drinking chocolate milk |