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voc, questions
| Term | Definition |
|---|---|
| weather | the atmospheric conditions |
| air pressure | the pressure a column of air exerts on the air or surface |
| humidity | the amount of water vapor in the air |
| relative humidity | the amount of water vapor present in the air compared to the maximum amount of vapor in the air |
| dew point | the temperature at which air is fully saturated because of decreasing temperature |
| precipitation | water in liquid or solid form that falls from the atmosphere |
| water cycle | the series of natural process where water continually moves |
| 1. what is a variable? | a quantity that can change |
| 2. what is air temperature? | the measure of average kinetic energy of molecules in the air. |
| 3. is air pressure at earth's surface more or less than air pressure at the top of the atmosphere? | more |
| 4. what is wind? | moving air from areas of high pressure to low pressure |
| 5. what is humidity? | the amount of water in the air |
| 6. what is relative humidity | the amount of water vapor in the air compared to the max amount of vapor the air can contain |
| 7. what is dew point? | the temperature at which the air is fully saturated because of falling temperature |
| 8. what are clouds and fog? | water droplets or ice crystals suspended in the aire. |
| 9. what is fog? | a cloud near earth's surface |
| 10. what is precipitation? | water in liquid or solid form that falls from the atmosphere |
| 11. what is the water cycle? | the series of natural process in which water continuously moves |
| 12. how is relative humidity measured? | using a psychrometer |
| 13. what are meteorologist ? | scientist who study and predict weather |
| 14. what does barometric pressure refer to? | air pressure |
| 15. what is snow? | water vapor in solid form |
| 1. what is an element? | a substance of only one substance |
| 2. what is a solid? | matter with definite shape or volume |
| 3.what are nonmetals? | liquids or gases |
| 4. what is a chemical bond? | a force holding two or more atoms together |
| 5.what is the atmosphere? | the layer of gases around earth |