
Humidity is the amount of water vapor in the air. Even though we can't see it, water vapor is always present in the atmosphere. When the air holds a l
Video Duration: 1 minute and 17 secondsMIDDLE SCHOOL
Earth and Space Science

Humidity is the amount of water vapor in the air. Even though we can't see it, water vapor is always present in the atmosphere. When the air holds a l
Video Duration: 1 minute and 17 seconds
Clouds are made of tiny water droplets or ice crystals that form when water vapor condenses in the atmosphere. They are an important part of the water
Video Duration: 1 minute and 29 seconds
Fog is a cloud that forms near the ground. It’s made of tiny water droplets or ice crystals suspended in the air. Fog happens when moist air cools eno
Video Duration: 1 minute and 18 seconds
Precipitation is water that falls from the sky in different forms—like rain, snow, sleet, or hail. It’s an important part of the water cycle, which mo
Video Duration: 1 minute and 20 seconds
An air mass is a large body of air that has the same temperature and moisture level throughout. Air masses form over land or water and take on the cha
Video Duration: 1 minute and 16 seconds
A front is the boundary between two different air masses. When warm and cold air masses meet, they don’t mix well because of differences in temperatur
Video Duration: 1 minute and 15 seconds
A thunderstorm is a powerful weather event that forms when warm, moist air rises quickly into cooler air. This rapid rise causes clouds to grow tall a
Video Duration: 1 minute and 18 seconds
Tornadoes are rapidly rotating columns of air that extend from a thunderstorm to the ground. They form when warm, moist air near the Earth's surface m
Video Duration: 1 minute and 25 seconds
Cyclones, also known as hurricanes or typhoons, depending on their location, are powerful rotating storm systems characterized by low-pressure centers
Video Duration: 1 minute and 21 seconds
Blizzards are severe snowstorms characterized by strong winds and low visibility, often resulting from the interaction of different air masses. These
Video Duration: 1 minute and 21 seconds
Weather data is information that scientists gather to understand and predict atmospheric conditions. This includes measurements like temperature, air
Video Duration: 1 minute and 22 seconds
Predicting the weather means using data about the atmosphere to forecast what conditions will be like in the near future. Meteorologists gather inform
Video Duration: 1 minute and 22 seconds
Weather maps are visual tools that show current and forecasted atmospheric conditions across different areas. They can display temperature, air pressu
Video Duration: 1 minute and 8 seconds
Hurricanes, also known as tropical cyclones, are powerful storms that form over warm ocean waters. They are characterized by strong winds, heavy rainf
Video Duration: 1 minute and 28 seconds
Hurricanes are powerful tropical cyclones characterized by strong winds and heavy rainfall. To assess their potential impact, scientists classify hurr
Video Duration: 1 minute and 30 seconds
Heat waves and droughts are extreme weather events that can have serious effects on people, plants, animals, and entire ecosystems. A heat wave is a l
Video Duration: 1 minute and 26 seconds