science projects and experiments
for various grades and topics.
Science Projects or Science Experiments: Grades 3 & 4
What is a Cloud?
Our World: What is a Cloud?
In this NASA video segment learn about the different types of clouds and cloud formation. Find out more about the relationship between clouds and weather on Earth.
Weather & Meteorology : How Do Clouds Form?
Clouds are formed by parcels of rising air that cool and create tiny droplets of water. Learn about dew points and how they affect moisture going from a gas to a liquid with help from a meteorologist in this free video on understanding weather.
Our World: Cool Clouds
Learn how clouds are formed and watch an experiment to make a cloud using liquid nitrogen. Find out how scientists classify clouds according to their altitude and how clouds reflect and absorb light, giving them different colors.
Our World: Cloud Inspection
Find out why scientists and meteorologists study clouds and what tools they use to collect data about the effects of clouds on Earth's climate. Learn to tell the difference between cirrus, stratus and cumulus clouds.
Real World: Global Cloud Observation Day
Learn about precipitation and how clouds are formed. Find out why scientists study clouds and how you can help NASA collect cloud observation data as part of the Students' Cloud Observation OnLine, or S'COOL, Project.
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