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6th Grade
6th grade Atmosphere Unit
| Question | Answer |
|---|---|
| Troposphere | Layer in which we live, weather occurs here |
| Stratosphere | Gases are found in layers, ozone layer is found here |
| Mesosphere | Coolest layer, meteors burn up in this layer |
| Thermosphere | Highest temperatures, contains the ionosphere |
| Atmosphere | The mixture of gases which surround our planet; mostly nitrogen and oxygen |
| Weather | The state of the atmosphere at a place and time |
| What is the most abundant gas in the atmosphere? | Nitrogen |
| Global winds | Winds that follow regular patterns and paths |
| Sea Breeze | During the DAY cool dense air moves from the ocean towards the warm, less dense shore. |
| Land Breeze | During NIGHT, cool dense air moves from the land towards the warm, less dense ocean. |
| Cumulus | Fluffy, white clouds with flat bottoms. |
| Stratus | Layered clouds which block out the Sun. Can cause constant drizzly rain. |
| Cirrus | Small, wispy clouds created by strong winds. They often indicate a change in weather. |
| Condensation | The change of water vapor to liquid water due to cooling; where clouds form |
| Precipitation | Water returning back to Earth's surface: hail, sleet, snow, and rain |
| Global Warming | The gradual increase of Earth's atmospheric temperature |
| Greenhouse effect | The trapping of heat in the Earth's atmosphere due to an increase in 'greenhouse gases' (CO2) |
| Cold front | When a cool air mass comes in and pushes a warm air mass up; results in cool weather |
| Warm front | Warm air moves over cold, dense air. Results in drizzly rain and warm temperatures |
| Occluded front | Warm air is trapped between 2 cool air masses; warm air rises up. This creates cool temperatures and lots of snow. |
| Stationary front | When a warm and cold air mass meet, but neither can overpower the other. Results in days of cloudy weather & rain |
| Air mass | A large mass of air which has similar temperature and water vapor content |
| Wind | The movement of air caused by temperature differences |
| How does wind move? | From high pressure to low pressure |
| Mountain & Valley Breezes | Caused by the elevation and temperature differences |
| Humidity | Amount of water vapor in the air |
| Dew Point | Temperature where air cools to saturate it |
| Isobars | Lines on a weather map that connect air pressure |
Created by:
SaimaMaq
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