Weather and Atmosphere Quiz

Grade 6 · Science · Quiz

Test your knowledge of Earth's atmospheric layers and weather processes.

Questions

1. Which atmospheric layer contains the ozone layer?

   1. Troposphere
   2. Mesosphere
   3. Stratosphere
   4. Thermosphere
   Show answer

   Answer: Stratosphere

   The ozone layer sits within the stratosphere, roughly 15-35 km above Earth's surface, where it absorbs harmful ultraviolet radiation from the sun.

2. What does a barometer measure?

   1. Wind speed
   2. Temperature
   3. Humidity
   4. Air pressure
   Show answer

   Answer: Air pressure

   A barometer measures air pressure. Meteorologists use barometric pressure readings to help predict weather changes.

3. Which of the following is NOT a form of precipitation?

   1. Rain
   2. Snow
   3. Fog
   4. Hail
   Show answer

   Answer: Fog

   Fog is a type of cloud that forms at ground level; it is not precipitation because the water droplets remain suspended rather than falling to the surface.

4. What causes wind?

   1. Differences in air pressure
   2. Changes in humidity
   3. Earth's rotation only
   4. Ocean currents
   Show answer

   Answer: Differences in air pressure

   Wind is caused by differences in air pressure. Air moves from areas of high pressure toward areas of low pressure, creating wind.

5. When relative humidity reaches 100%, what is most likely to happen?

   1. Temperature drops sharply
   2. Wind speeds increase
   3. Precipitation is likely
   4. The sky clears
   Show answer

   Answer: Precipitation is likely

   When relative humidity hits 100%, the air is saturated and can no longer hold additional water vapor, making condensation and precipitation likely.

6. Which step of the water cycle involves water vapor cooling to form clouds?

   1. Evaporation
   2. Condensation
   3. Transpiration
   4. Infiltration
   Show answer

   Answer: Condensation

   Condensation occurs when water vapor rises, cools, and changes back into liquid water droplets that cluster around tiny particles to form clouds.

7. Low pressure systems are generally associated with stormy, cloudy weather.

   Show answer

   Answer: True

   Low pressure systems allow warm, moist air to rise, cool, and condense — leading to clouds and precipitation. High pressure generally brings clearer skies.

8. The boundary between two air masses of different temperatures is called a weather ________.

   Show answer

   Answer: front

   A weather front is the boundary between two air masses with different temperatures and humidity. Fronts are often associated with changing weather conditions.

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