Kids on shore with grid



Of all the accomplished scientists we've interviewed over the years, there's always one thing they have in common: a teacher who encouraged their curiosity in the natural world.

Lesson Plan Material

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    yellow glass sponge
    Lesson Plan
    Spectacular Simple Sponges

    Students explore unique sponge adaptations through short Shape of Life videos and student-centered activities.

    Full Lesson Plan

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    Top of the Tree of Life with Species
    Cambrian Explosion

    The Cambrian Explosion was a burst of animal evolution that occurred in the ocean about 540 million years ago.

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    Earth from space
    Cambrian Explosion: A BIG BANG in the Evolution of Animals

    For most of Earth's early history, there simply was no fossil record. Only recently have we come to discover otherwise: Life is virtually as old as the planet itself, and even the most ancient sedimentary rocks have yielded fossilized remains of primitive forms of life.

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