1234 WMS 6th Grade Science Unit 4 Test Review

An important piece of information for meteorologists is the ratio of the amount of water vapor in the air to the amount of water vapor needed to reach saturation at a given temperature. This information enables meteorologists to better predict the weather. What is this piece of information called?

• wind speed

• air pressure

• wind direction

• relative humidity

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What is the jet stream?

• the spinning of the air in the same direction as Earth’s rotation

• the spinning of the air in the opposite direction of Earth’s rotation

• the movement of air from an area of high pressure to an area of low pressure

• a narrow band of strong winds that blow in the upper region of the atmosphere

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NGSS.MS-ESS2-6

One of the main factors used to determine climate is temperature. For example, a tropical climate has generally warm temperatures throughout the year. What is the other main factor used to determine climate?

• humidity

• air pressure

• precipitation

• wind conditions

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If a warm wind passes over snow, the snow can be heated rapidly. When this happens, the snow can change directly into water vapor without first becoming liquid water. What is the correct term for this process?

• deposition

• evaporation

• melting

• sublimation

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How could winds influence the temperature?

• Winds carry energy in the form of heat around Earth

• Winds are caused by the energy of the sun.

• Winds move because of differential heating.

• Winds transfer energy in the form of heat from the air to the ground.

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Florida is susceptible to muck fires. What reasoning explains Florida’s risk of muck fires?

• Florida has relatively flat topography and is located at or near sea level.

• Limestone exists at or near the ground surface in most areas of the state of Florida.

• Florida has frequent, intense thunderstorms that are accompanied by intense lightning.

• The lower layers of soil are made of organic material that can become very dry during droughts.

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Visitors to Florida sometimes complain about the high humidity. What does high humidity indicate?

• a cool temperature

• a high-pressure system

• an approaching cold front

• a high amount of water vapor in the air

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Florida beaches are known for their white sand, clear ocean water, and palm trees. A picture of a Florida beach is

shown below. Which elements seen would be adding water vapor to the atmosphere?

• palm trees only

• ocean water only

• ocean water and sand

• palm trees, ocean water, and sand

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During a winter storm, Annabelle observes hail falling in her yard. After the hailstorm, rain falls. Which of these statements correctly describes hail and rain?

• Hail and rain are both solids.

• Hail and rain are both liquids.

• Hail is a liquid, and rain is a solid.

• Hail is a solid, and rain is a liquid.

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One type of weather event develops when some of the warm air in a thunderstorm rises into high-altitude, horizontal winds. This causes the rising air to rotate. What type of weather event is being described?

• hurricane

• lightning

• thunder

• tornado

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NGSS.MS-ESS2-5