Nature's Cycles

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Sheppard Software's Life Cycle Movie: learn all about life cycles in this animated Flash movie! Sheppard Software's Bird Life-Cycle Game: Learn about the parrot's fascinating journey to adulthood. Sheppard Software's Life-Cycles: Learn about different animal life-cycles. Cycles of Life. Identify butterfly life cycle stages game. Sheppard Software's Butterfly Life-Cycle Game: Learn about the butterfly's fascinating journey to adulthood. The Learning Zone: Rock Cycle Games. Interactive Rock Cycle Animation. Identify frog life cycle stages game.

Sheppard Software's Frog Life-Cycle Game: Learn about the frog's fascinating journey to adulthood. The Rock Cycle . The Rock Cycle. A useful way to illustrate how the three main types of rock are related to one another and how changes to rocks happen in a recurring sequence is the rock cycle.

The Rock Cycle . The Rock Cycle

It can be presented in a diagram like the one below. The concept of the rock cycle is attributed to James Hutton (1726—1797), the 18th-century founder of modern geology. The main idea is that rocks are continually changing from one type to another and back again, as forces inside the earth bring them closer to the surface (where they are weathered, eroded, and compacted) and forces on the earth sink them back down (where they are heated, pressed, and melted). So the elements that make up rocks are never created or destroyed — instead, they are constantly being recycled.

Something Froggy. Water Cycle Game.

BrainPop Links

Thirstin's Water Cycle.