Intertidal Zone Animals - printouts on the animals that live in this inhospitable biome.
Coral Reefs - learn how coral reefs form and about the myriad of animals that live in this complex biome.
Watercycle. Water on Earth cycles from the skies to the Earth and back again.
What Causes Ocean Waves?. The winds causes waves on the surface of the ocean (and on lakes). The wind transfers some of...
Tides are periodic rises and falls of large bodies of water. Tides are caused by the gravitational interaction between the...
Why are Oceans Salty? As water flows in rivers, it picks up small amounts of mineral salts from the rocks and soil of the...
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