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Science club
vocabulary words
| Question | Answer |
|---|---|
| The activity in the atmosphere above us each day | Weather |
| The average weather trends over a long period of time | Climate |
| The scientific study of the atmosphere and weather | Meteorology |
| The sphere of air-the envelope of gases that surround the planet | Atmosphere |
| Anything that has mass and takes up space | Matter |
| These are made up of proton, neutrons and electrons | Atoms |
| When two or more atoms, whether the same or different combine | Molecules |
| There are aproximately 109 of these of which everything we know is made | Elements |
| Solid, liquid and gas | Three states of matter |
| the homogenous mixture of gases that consists of 78% nitrogen and 21% oxygen that goes from the ground to 50 miles up | homosphere |
| the gas layer above the homosphere that contains helium and hydrogen | troposphere |
| This is the layer of air that begins above the troposphere and goes up about 25 miles and includes the ozone layer | Statosphere |
| These are winds that travel in patterns in the stratosphere going almost 300 miles per hour and pilots fly in it to increase speed and save fuel. | Jet Stream |
| This contains three atoms of oxygen bonded together and shields the earth from harmful ultraviolet light | ozone layer |
| This layer is above the stratosphere and goes above the earth about 50 miles and is the coldest layer of the atmosphere | Mesosphere |
| This layer is the uppermost layer where the molecules are exposed to radiation of the sun and it is very hot | Thermosphere |
| Air expands(increases in volume) when heated and contracts(decreases in volume) when cooled | Charles' Law |
| The force with which the weight of the air presses down on the Earth | Atmospheric Pressure |
| This is created by masses of warm air bobbing up over the ground like huge lightweight balloons making the weight of air on the Earth low. | Low Pressure |
| This results from heavier, colder air hunkering down on the Earth's surface like oozy sacks of mud making the weight of air on Earth high | High Pressure |
| This happens when warm rising air mixes with cool lowering air. | Wind |
| The device used to measure atmospheric pressure | Barometer |
Created by:
noahbrad
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