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7th Gr. Voc 1-13
Weeks 1-3
| Question | Answer |
|---|---|
| weight | a measure of the force of gravity on an object |
| mass | amount of matter in something (grams) |
| balance | instrument used to measure weight or mass |
| volume | amount of space an object or substance takes up (L or cm³) |
| graduated cylinder | glass container with markings used to measure volume of liguids |
| meniscus | curved surface of a liquid where it meets the sides of its container |
| density | amount of mass in a given volume of a substance ( d |
| thermometer | device used to measure temperature |
| microscope | an instrument that is used to magnify or enlarge the features of objects |
| atmosphere | Earth’s air, which is made up of a thin layer of gases, solids, and liquids; forms a protective layer around the planet and is divided into five distinct layers. |
| barometer | an instrument used to measure atmospheric pressure |
| ionosphere | layer of electrically charged particles in the thermosphere that absorbs AM radio waves during the day and reflects them back at night |
| ozone layer | layer of the stratosphere with a high concentration of ozone; absorbs most of the Sun’s harmful ultraviolet radiation |