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Earth science chap7
Weather
| Question | Answer |
|---|---|
| air mass | a large region that has a similar temperature and humidity |
| barometer | a tool to measure atmospheric pressure |
| blizzard | a storm type that includes high winds and snow |
| current | the constant movement of ocean waters |
| El Nino | every 2-7 years, weather conditions that cause heavy rains and storms in North and South America |
| Global winds | wind that blows steady over long distances and in the same direction, caused by the Sun heating the Earth unevenly |
| insolation | solar energy that reaches the Earth's surface |
| tornado | a rotating funnel-shaped cloud with high winds |
| weather | is the condition of the troposphere at a specific time and place |
| troposphere | a layer of gases closest to the Earth where all the weather occurs |
| humidity | the amount of water vapor in the air |
| front | the meeting place between two air masses |
| Gulf Stream | carries warm water from near the equator toward the poles |
| cyclone | any storm with low pressure that causes circular wind patterns...tornados, hurricanes, and tropicals storms |
| What does a weather vane measure? | wind direction |
| What does a thermometer measure? | temperature |
| What does a anemometer measure? | wind speed |
| What does a barometer measure? | air pressure |
| What are three characteristics of a Tropical climate Zone? | 1. near the equator 2. receives most of the insolation from the sun 3. high temperatures and heavy parcipitation |
| What are three characteristics of a Temperate Climate Zone? | 1. north and south of the equator 2. warm summers, and cool/cold winters 3. can get all types of participation |
| What are three characteristics of a Polar Climate Zone? | 1. near the north and south poles 2. short summers and long winters 3. not much parcipitation |
| What kind of weather can be expected with a low-pressure system? | warm and humid weather has lower pressure and creates warm, rainy and stormy weather |
| What kind of weather can be expected with a high-pressure system? | cool and dry air has higher pressure and brings dry, clear weather |
| What causes a hurricane to form? | a tropical storm turns into a hurricane when the wind speeds reach 74mph |
| What causes tornado winds to rotate? | the winds rotates in a thunderhead and pulls up warm air creating low pressure -- as air flows in it rotates faster and faster reaching speeds up to 300mph |
| What creates a valley breeze? | sunlight first warms mountain slopes...then the warm air rises and cool air from the valley comes up to take its place...making the valley breeze |
| I live near a large body of water (Lake Michigan) is my climate affected by this fact? | Yes...living near a large body of water creates cooler summer temperatures and warmer winter temperatures...(WHY) |
| What happens when rain falls through very cold air? | The rain could become sleet, hail(with high winds) or even snow. |
Created by:
Team 5
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