Quiz 1: Weather Factors of the Sky

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At sea level, what is the atmospheric pressure?

14.7 PSI

Why is the equator warmer than the poles?

Because the Sun's energy is spread over a smaller area

How are wind and ocean currents similar?

Both are caused by temperature and pressure differences

Precipitation occurs when

Could droplets get too heavy and fall

What causes seasons?

Earth's tilt

What type of weather do cirrus clouds represent?

Fair weather

What precipitation would be like small rocks hitting you?

Hail

In order to increase the rate of evaporation, what has to be done to the temperature?

Increase the temperature

What is true about cold air?

It sinks, it holds less water vapor than warm air, and it is more dense that warm air.

Why does it rain a lot in Hawaii or on tropical islands?

Its cloudy, warm and humid/its lush and full of plants/its near the equator

What is condensation?

The change of state from a gas to a liquid and creates clouds

Why does air have weight?

The pressure of air molecules colliding gives them weight

Why do desert climates have hot days and cold nights?

The sky is clear and there are no clouds

What layer of the atmosphere are high pressure systems found?

Troposphere

Clouds have effects such as

Warming Earth's surface at night, cooling Earth's surface during the day and reflecting the Sun's rays

What is the difference between weather and climate?

Weather changes daily and climate changes over time

Increasing altitude decreases what?

air pressure

What tool is used to measure air pressure?

barometer

High air pressure means that the air is _____________________

colder and heavier

What is an air mass that forms over land?

continental air mass

Air that comes in from the ocean during the day is usually...

cooler than the air on land

What type of clouds usually look like different shapes?

cumulus

The amount of water that evaporates from Earth is_____________

equal to the amount that falls as precipitation

When driving early in the morning, what low level cloud reduces visibility

fog

Weather patterns in the Northern Hemisphere move

from West of East over the US

With an occluded front, ...

grab a sweater because it's going to be cool

If you see dark, thick, nimbostratus clouds, what will you forecast?

heavy precipitation

The air pressure on the top of Mount Everest is ________ than the air pressure at the bottom of the Grand Canyon

less than

Which Sun rays are part of the electromagnetic spectrum?

radio waves, microwaves, x-rays, visible rays, gamma rays

Liquid droplets that fall from the sky are

rain

Air tends to flow faster over what type of formation?

taller formations

How is water added to the atmosphere?

transpiration, evaporation, and sublimation

A front forms when...

two different types of air masses meet

Why does low pressure usually mean bad weather?

warm air rises and condenses, usually forming clouds and precipitation

What types of fronts produce light precipitation

warm and stationary fronts


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