Students canvass the water cycle in the seven lessons of this unit. The processes of the water cycle and the cyclical nature of water is emphasized inthis unit.

A slideshow and a short multiple-choice quiz on the topic of clouds, how they form, the kinds of precipitation they can create, the main types of clouds, and cloud descriptor terms.

Animated resource teaches young researchers about the different forms of precipitation.

[Free Registration/Login may be required to access all resource tools.] Discusses what causes weather, what humidity is and its role in the weather, how clouds are classified, and types of precipitation and how they form.

Law of conservation of mass: No atoms are created or destroyed in a chemical reaction. They just join together in a different way than they were before the reaction, and form products. This means that the total mass of the products in a...

Did you know that clouds have different names? Each cloud in the sky has its own unique form and it has a particular name based on its shape, where it floats in the sky and the type of moisture it contains. Learn here all about the...