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Weather/Science 7
First 20 words in vocab. packet
| Term | Definition |
|---|---|
| weather | the state of the atmosphere at a place and time |
| ozone layer | the layer of the atmosphere that protects life against harmful ultraviolet radiation |
| temperature | average amount of kinetic energy flowing from one place to another |
| troposphere | the layer of the atmosphere where weather happens |
| heat | the amount of energy flowing from one place to another |
| air pressure | the force exerted onto a surface by the weight of the air |
| thermal energy | the total amount of kinetic energy in a substance |
| radiation | energy that transfers in the form of waves |
| convection | when warm air rises and cold air sinks, creates movement associated with weather |
| mesosphere | lies above the stratosphere and is the coldest layer where meteors burn |
| wind | movement of air caused by differences in air pressure |
| coriolis effect | causes the winds to curve due to the rotation of the earth |
| conduction | transfer of heat through direct contact. |
| stratosphere | the layer above the troposphere --- where planes fly |
| atmosphere | a mixture of gasses that surround the earth |
| exosphere | layer of the atmosphere where the satellites are located |
| greenhouse effect | the warming of the land and atmosphere due to pollution |
| thermosphere | the layer above the mesosphere - temperature increases as height increases |
| thermal expansion | the warming of the land and atmosphere due to pollution |
| jet stream | a narrow band of fast moving westerly air, several miles above the Earth's surface that has great affects on our weather here in Ohio |