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bears weather quiz
5th grade weather guide
| Question | Answer |
|---|---|
| what instrument is used to measure air pressure? | Barometer |
| What are the two types of barometers? | Mercury and Aneroid |
| How does the Mercury barometer work? | Measures changes outside |
| How does the aneroid barometer work? | Increases changes inside |
| What can barometers tell? | The amount of pressure in the air |
| What is Altitude | The height above the Earth's surface |
| What happens to air as water vapor is added? Why? | There is less pressure because it is lighter |
| What happens to air pressure as you increase temperatures? Why | Gasses speed up because of fewer particles? |
| What is volume? | A measure of how much space an object takes up |
| What happens to atmospheric pressure the higher you go in the air? | the pressure decreases |
| What happens to the air pressure as you push on a closed system? | It increases |
| Compare the weight of water vapor to the other gasses in the air | it weighs less |
| What do you call the amount of water vapor in the air? | humidity |
| What are the 4 things that affect air pressure? | Height Volume Temperature Amount of water |
| Why can you NOT feel the weight of the air pressure on you? | atmospheric pressure pushes in all directions |
| What is air pressure? | the force put on a given area |
| What layer has the densest amount of air | troposphere |
| Name the 5 layers of the atmosphere in order from lowest to highest | troposhere, stratosphere, mesosphere, thermosphere. exosphere |
| in Which layer do all organisms on Earth live? | troposphere |
| How thick is the troposhere? | 8-18 kilometers |
| How much of the air is found there? | 99% |
| What is the layer closest to the atmosphere called? | troposhere |
| What is the air that surrounds the Earth called? | Atmoshere |
| How many layers does our atmosphere have? | 5 |
| What is the name of the imaginary line that runs around the Earth's middle? | Equator |
| Explain why during the day ocean air moves toward land? | because land heats up faster than water |
| Explain why during the night air moves from land to the sea | Because land cools off faster |
| What is latitude? | a measure of how far North and South a place is from the equator |
| What are tradewinds? | a part of the system called global winds |
| Descrive the air near the poles | cooler, denser and hve higher air pressure |
| Which direction does air flow? | from high pressure to low pressure |
| Why do winds form? | when 2 convection currents meet it causes wind to blow |
| What are global winds? | when wind blows steadily in predictable directions over long distances |
| what is convection? | The transfer of heat through the movement of a gas or liquid |
| Why does the curvature of the eart affect the amount of energy one gets from the sun | larger the angle less energy |
| What on Earth keeps the temperatures from having extremes? | Oceans |
| WHat is the name of the current that carries cold water from the poles toward the Pacific Equator | California Current |
| What do water currents move around the world? | heat and water |
| Evaporation is the opposite of What? | Condensation |
| What is the name of the current that circulates water from the Southern States up to Europe? | Canary Current |
| What does it mean when it is said that air in contact with water is tempered? | Water is warmer or cold in different areas |
| What is an ocean current? | an on going movement of ocean water |
| what is climate? | the average weather conditions of a place or region |
| What causes El Nino | the warminf othe water which creates a different weather pattern. A wetter pattern |
| Describe the climate near the ocean | more mild than inland |
| Does water temperature change much from day to night? | Tends to stay constant |
| what is an air mass? | A large region of air that has similar temperature and humidity |
| Describe an air mass that forms above warm area of water | it will be warm, humid and moist |
| Describe an air mass that forms over a cold area of land | will be cool and dry |
| what is a front? | meeting place between air masses |
| what happens when a cold and dry air mass runs into a warm and moist air mass? | cold air goes under and pushes warm air up |
| What causes Thunderstorms? | a rainstorm that includes lightning and thunder |
| What is lightning? | The spark caused when the electricity in a thunderhead disharges |
| Why does thunder occur? | heat makes the air expand violently. The sound of rapidly expanding air is called thunder |
| What is a tornado? | A rotating funnel shaped cloud with winds up to 299 miles per hour |
| What is a low pressure closure? | low pressue air is surrounded by a high pressure air |
| When do tornados begin? | When warm air moves upward in a thuderhead ceating an area of low pressure |
| Why do hurricanes form? | by warm air rising and cool air replacing the warm air cause a rotating wind |
| when is a tropical storm classified as a hurricane | when wind speed reaches more than 74 miles per hour |
| What is a storm surge | a bulge of water in an ocean |
| what is a cyclone? | a storm with a low pressure center and a counter clockwise rotation |
| what is a monsoon? | a seaonal wind that brings heavy rain |
| In what two places do monsoons occur? | southeast asia and southwestern US |
| What is Tule Fog? | water vapor the air contained condenses and forms ground fog |
| what is advection fog? | forms when warm humid air flows over cold ground or water |
| what is to forecast | to make your best guess before something happens |
| what is a meteorologist | a scientist who specializes the study of Earth's atmosphere and weather |
| How are cold fronts marked on a weather map | blue line of triangles |
| How are warm fronts marked on a weather map | red line with half circles |
| A jet stream is an example of what type of wind | global wind |
| what causes Jet streams? | temperature differences between air masses |
| In which direction do Jet stream winds blow? | West to East |
| How do satellites help forecast | they take pictures of the movement of clouds and storms from space |
| How do weather balloons forecast | they carry instruments that measures temperature, air pressure and humidity |
| How does Doppler radar forecast | it detects the speed and direction of clouds and rain |
Created by:
bowzboyz
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