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weather
| Term | Definition |
|---|---|
| weather | the condition of earths atmosphere at a particlar time and place |
| meteorologists | scientists who study the cause of weather and try to predict it |
| forecast | a prediction of what the weather will be in the future |
| temp | the average amount of energy of motion in the molecules o a substance |
| convection | the transfer of heat by movements of a fluid |
| relative humidity | a measure of the amount of water vapor in the air compared to the maximum amount the air can hold at the temp |
| humididty | a measure of the water vapor in the air |
| wind | the horizontal movement of air from an area of high pressure to an area of lower pressure |
| cumulus | clouds that form less than 2 kilometers above the ground and look like piles of cotton. |
| stratus | clouds that form in flat layers |
| cirrus | wispy feathery clouds made mostly out of ice crystals that form at high levels above about 6 kilometers |
| thermometer | an instrument used to measure relative humidity consisting of a wet bulb thermometer and a dry bulb thermometer |
| tornado | a rapidly whirling funel shaped cloud that reaches down from a storm cloud to touch earths surface usually leaving a destruction |
| warm front | when a warm air mass pushes against a cold air mass |
| cold front | when a cold air mass pushes agoainst a warm air mass |
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