TCI Science ALive! - Unit #3 Test

What is air pressure?

• The force exerted by the weight of water molecules on a surface.

• The force exerted by the weight of air molecules on a surface.

• The force exerted by the weight of earth's atmosphere on a surface.

• The force exerted by the weight of air molecules on a person's body.

How is wind formed?

• Movement of the ocean currents

• Heat from the Sun

• Rotation of the Earth

• Air pressure difference

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What is the water cycle?

• The water cycle is the continuous movement of water on, above, and below the surface of the Earth.

• The water cycle is the process of water disappearing from the Earth.

• The water cycle is the movement of water only on the surface of the Earth.

• The water cycle is the process of water turning into ice.

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What are air masses?

• Large bodies of air with different temperature and humidity characteristics.

• Large bodies of water with similar temperature and humidity characteristics.

• Small pockets of air with similar temperature and humidity characteristics.

• Large bodies of air with similar temperature and humidity characteristics.

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Check all severe weather events.

• Earthquake

• Hurricane

• Blizzard

• Tornado

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What are the different types of air pressure systems?

• high-pressure systems and low-pressure systems

• hot-pressure systems and cold-pressure systems

• strong-pressure systems and weak-pressure systems

• positive-pressure systems and negative-pressure systems

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Explain the process of wind formation.

• Wind is formed by the movement of clouds in the atmosphere.

• Wind is formed due to the movement of air from areas of high pressure to areas of low pressure.

• Wind is formed by the evaporation of water from the ocean.

• Wind is formed due to the rotation of the Earth.

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Describe the stages of the water cycle.

• evaporation, condensation, precipitation, and collection

• evaporation, condensation, precipitation, and evaporation

• evaporation, condensation, precipitation, and absorption

• evaporation, condensation, precipitation, and evaporation, condensation

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How do air masses affect weather patterns?

• Air masses have no effect on weather patterns.

• Air masses only affect temperature, not humidity or stability.

• Air masses only affect stability, not temperature or humidity.

• Air masses affect weather patterns by bringing different temperature, humidity, and stability characteristics to an area.

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What are the characteristics of a thunderstorm?

• A thunderstorm is a weather phenomenon characterized by the presence of rainbows and unicorns. It is usually accompanied by light breeze and sunshine.

• A thunderstorm is a weather phenomenon characterized by the presence of snowfall and freezing temperatures. It is usually accompanied by calm winds and clear skies.

• A thunderstorm is a weather phenomenon characterized by the presence of lightning and thunder. It is usually accompanied by heavy rain, strong winds, and sometimes hail. Thunderstorms can also produce tornadoes and flash floods.

• A thunderstorm is a weather phenomenon characterized by the presence of gentle rain and light drizzle. It is usually accompanied by a cool breeze and a pleasant smell.

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