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Weather and the Earth's Atmosphere Answers

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1
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What are the three major types of severe weather? Describe at least two characteristics of each type.

Answer:

Thunderstorms produce lightning and heavy rain, and they can also bring hail or damaging winds. Tornadoes are violently rotating columns of air that extend from a storm cloud to the ground and can have extremely strong winds. Hurricanes are large tropical storms that form over warm ocean water; they bring strong winds and heavy rain and may cause storm surge and flooding.

2
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What are the three steps that you can take to prepare for severe weather? Give at least two examples of what you can do to prepare in each step.

Answer:

First, stay informed: monitor local weather forecasts and sign up for emergency alerts. Second, make a plan: decide where your family will shelter and choose an out-of-area contact or meeting place. Third, assemble emergency supplies: prepare a kit with water and nonperishable food, and include a flashlight, batteries, a first-aid kit, and needed medicines.

3

Severe weather can best be defined as weather that __________.

A
puts lives and property at risk
B
helps us decide our daily activities
C
follows a predictable and consistent pattern
D
presents no harm or danger to people
4

Identify four instruments used by meteorologists to study weather. Be sure to describe what type of information each one measures.

Answer:

A thermometer measures air temperature. A barometer measures air pressure. An anemometer measures wind speed. A rain gauge measures the amount of precipitation that falls.

6

Identify the three major organizations that help us to prepare for disasters. What are the main functions of each?

Answer:

The National Weather Service (NWS) monitors weather and issues forecasts, watches, and warnings. The Federal Emergency Management Agency (FEMA) helps communities and individuals prepare for, respond to, and recover from disasters, including coordinating federal assistance. The American Red Cross provides disaster relief such as emergency shelter, food, and support for affected people.

7

Celsius and Fahrenheit are scales used to measure __________.

A
air pressure
B
humidity
C
precipitation
D
temperature
8

What are the three main components that combine to influence weather? Define and describe each component.

Answer:

Temperature describes how warm or cold the air is. Air pressure is the force exerted by the air and helps drive winds and changes in weather. Moisture is the water vapor in the air; it contributes to cloud formation and precipitation.

9

Knowing the daily weather forecast is most likely to affect which of the following decisions?

A
where to go on vacation
B
what clothes to wear
C
where to buy a house
D
which college to attend

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