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SCI - Chp. 3 Vocab.
| Question | Answer |
|---|---|
| Temperature | A measure of how hot or cold an object is compared to a reference point. |
| Thermometer | An instrument used to measure temperature. |
| Conduction | The direct transfer of thermal energy from one substance to another substance that it is touching. |
| Convection | The transfer of thermal energy by the movement of a fluid (liquid or gas). |
| Convection Currents | The circulation of a fluid as it alternately heats up and cools down. |
| Jet Stream | Bands of high-speed winds about 10 kilometers above Earth’s surface. |
| Relative humidity | The percentage of water vapor in the air compared to the maximum amount of water vapor that air can contain at a particular temperature. |
| Psychrometer | An instrument used to measure relative humidity, consisting of a wet-bulb thermometer and a dry-bulb thermometer. |
| Condensation | The process by which molecules of water vapor in the air become liquid water. |
| Wind | The horizontal movement of air from an area of high pressure to an area of low pressure. |
| Dew point | The temperature at which condensation begins. |
| Anemometer | An instrument used to measure wind speed. |
| Cirrus | Wispy, feathery clouds made mostly of ice crystals that form at high levels. |
| Sea breeze | The flow of cooler air from over an ocean or lake toward land. |
| Cumulus | Fluffy, white clouds, usually with flat bottoms, that look like rounded piles of cotton. |
| Land breeze | The flow of air from land to a body of water. |
| Stratus | Clouds that form in flat layers and often cover much of the sky. |
| Precipitation | Any form of water that falls from clouds and reaches Earth’s surface. |
| Rain gauge | An instrument used to measure the amount of precipitation. |
| Radiation | The direct transfer of energy by electromagnetic waves. |