sicence: weather un.
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| What is the source of nearly all the earths energy? | The sun
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| Name the three forms of energy from the sun. | Visible light, infrared radiation, and ultraviolet radiation.
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| What form of energy can cause skin cancer, eye damage, and sunburns? | Ultraviolet radiation.
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| What form of energy can be felt as heat? | Infrared radiation.
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| The energy that reaches earth is either _______ or __________ by the atmosphere or earths surface. | Reflected or absorbed.
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| What is the green house affect? | The process by which gases hold heat in the air.
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| Heat is transferred in what three ways? | Radiation, conduction, and convection.
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| What causes wind? | Horizontal movements of air from an area of high pressure to an area of lower pressure.
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| What instrument is used to measure wind direction? | A wind vane.
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| What instrument is used to measure wind speed? | An anemometer.
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| Which do you think will heat up more quickly on a sunny day, the water in a lake or the sand surrounding it? | The sand.
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| What is the difference between a local and a global wind? | Local winds blow over short distances and global winds blow over long distances.
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| Name the three major global winds? | Trade winds, pervailing westerlies, and the polar easterlies.
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| How do clouds form? | When water vapor in the air becomes liquid water.
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| What clouds indicate fair weather? | All except Nimbus.
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| Do all clouds produce precipitation? | No.
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| How does precipitation form? | Condensation.
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| Can precipitation fall without clouds? | No.
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| Which clouds indicate rain? | Nimbus.
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| How do metearologists measure rainfall? | Rain gauge.
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| In general, 1 inch of rain equals how many inches of snow? | 10 inches.
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| What are the layers of the atmosphere? | The tropisphere, the stratosphere, the mesosphere, the thermosphere, the ionosphere, and the exosphere.
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| As you increase in elevation, what happens to the density of the air? | It decreases.
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| As you increase in elevation, what happens to the amount of water vapor? | It decreases.
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| As you increase in elevation or altitude, what happens to the air pressure? | It increases.
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| What are the two most abundant gases in the atmosphere? | Oxygen and nitrogen.
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| If you started on the ground and moved toward space, what order would you move through the layers? | Tropisphere, stratosphere, mesophere, thermosphere, ionosphere, exosphere.
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| What is the difference between a sea breeze and a land breeze? | The land breeze is when the flow of a air goes toward the body of water, and the sea breeze is when the air comes from the body of water toward the land.
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| What is a global wind? | Wind that is created by unequal heating of Earth's surface.
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| What is the coriolis effect? | The way Earth's rotation makes the wind curve.
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| What is a monsoon? | It is the sea and land breezes over a large region that change direction with the seasons.
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| What are the major global wind belts? | Tradewinds, pervailing westerlies, and polar easterlies.
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| What is latitude? | The distance from the equator measured in degrees.
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| How is a wind named? | By where the wind is coming from or by where it is blowing to.
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| How is relative humidity measured? | With a psychrometer.
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| What are the main types of clouds? | Cumulus, Stratus, and Cirrus.
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| What are all of the types of clouds? | Cumulus, Stratus, Nimbostratus, Cumulomimbus, Altostratus, Altocumulus, Cirrocumulus, and Cirrus.
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| What are the types of precipation? | Rain, sleet, freezing rain, hail, and snow.
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| What is precipation? | Any form of water that falls from clouds and reashes Earth's surface.
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| What are the types of air masses? | Maritime Tropical, Continental Tropical, Maritime Polar, Continental Polar.
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| What are the four types of fronts? | Cold fronts, warm fronts, stationary fronts, and occluded fronts.
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| What is a cyclone? | A swirling center of low air pressure.
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| What are anticyclones? | High pressure centers of dry air.
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| What is the definition of a storm? | It is a violent disturbance in the atmosphere.
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| How do thunderstorms form? | They form within large cumulonimbus clouds or thunderheads.
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| What is a tornado? | It is a rapidly whirling funnel shaped cloud that reaches down from a stormcloud to touch Earth's surface.
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| How do tornados form? | They develop in low heavy cumulonimbus clouds - the same clouds that bring thunderstorms.
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| What is a hurricane? | It is a tropical storm that has winds of 119 kilometers per hour or higher.
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| How do hurricanes form? | It begins over warm water as a low pressure area or tropical disturbance?
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