Hydrology & Water Systems
Sprout (Ages 4-7)
Rain Falling Down
Discover Rain Falling Down as a core part of Hydrology & Water Systems. This lesson explains what it means, walks through a real example, introduces key terms, and includes three hands-on activities to help you understand and apply the idea.
10 min
+10 XP
The Water Cycle
Water cycles between ocean, atmosphere, land, and underground. Powered by the sun, it never stops.
10 min
+10 XP
Aquifers and Groundwater
Underground rock layers can hold huge amounts of water. Aquifers are vital to agriculture and drinking water — but they can be depleted.
10 min
+10 XP
Where Does Rain Go? The Journey From Puddle to Pond
Discover Puddles And Ponds as a core part of Hydrology & Water Systems. This lesson explains what it means, walks through a real example, introduces key terms, and includes three hands-on activities to help you understand and apply the idea.
10 min
+11 XP
Frogs Both Places
Discover Frogs Both Places as a core part of Hydrology & Water Systems. This lesson explains what it means, walks through a real example, introduces key terms, and includes three hands-on activities to help you understand and apply the idea.
10 min
+11 XP
Wells Underground
Discover Wells Underground as a core part of Hydrology & Water Systems. This lesson explains what it means, walks through a real example, introduces key terms, and includes three hands-on activities to help you understand and apply the idea.
10 min
+11 XP