Weather Unit Review

Which of the following is an example of weather?

• Temperatures remain steady all year long in Ecuador.

• The average yearly rainfall in the Sahara Desert is about 3 inches.

• It is currently raining and 58 degrees in New York.

• Blue Springs receives the most precipitation during the Spring season.

Which weather term refers to the amount of air molecules in a given volume of air?

• Humidity

• Air Pressure

• Precipitation

• Temperature

Which of the following explains why we have weather on Earth?

• Uneven heating of the atmosphere by the Sun.

• Formation of clouds by cooling water vapor that has evaporated from bodies of water.

• Hot air rises and is replaced by cool air, causing wind.

• All of the above explain why we have weather on Earth.

How does relative humidity differ from humidity?

• Relative humidity depends on the amount of water vapor in the air, humidity depends on temperature.

• Relative humidity depends on the amount of water vapor the air can currently hold, humidity looks at total water vapor in the air.

• Relative humidity is given as a percentage, and humidity is given as a temperature.

• There is no difference between relative humidity and humidity.

The heat index on a sunny day is 80 degrees Fahrenheit at 20% humidity. What would happen to the heat index if we increased the humidity?

• The apparent temperature would increase.

• The apparent temperature would decrease.

• The apparent temperature would remain the same.

• The heat index is not related to temperature and humidity.

How do clouds regulate the temperature on Earth?

• Clouds act as a conductor, absorbing extra heat energy from the Sun to keep our planet warm.

• Clouds act as an insulator, blocking too much sunlight during the day but holding in heat at night.

• Clouds create rain and other precipitation, which helps to keep the Earth cool.

• Clouds do not regulate the temperature on the Earth, only convection currents do that.

After experiencing some light rain, the sky begins to clear and you have warm, humid weather. What kind of front has just passed through?

• Cold Front

• Warm Front

• Occluded Front

• Stationary Front

Which of the following weather instruments measures wind speed?

• Anemometer

• Hygrometer

• Wind Vane

• Barometer

Air pressure is a good way to approximate what the weather will be like in a region. In areas of high and low pressure, we experience...

• Clear, warm weather in high pressure; cloudy, cold weather in low pressure.

• Cloudy, warm weather in high pressure; clear, cold weather in low pressure.

• Cloudy, cold weather in high pressure; clear, warm weather in low pressure.

• Clear, cold weather in high pressure; cloudy, warm weather in low pressure.

The grey lines on the weather map above show the air pressure in different parts of the country. These lines are called...

• Isobars

• Pressure Bars

• Isotherms

• Temperature Therms