• A student squeezes a drop of water out of a dropper. Illustrated water molecules are shown to compose the drop through a zoom-in efect

    Teach Science by Doing Science

    Investigate the world of atoms and molecules through hands-on inquiry-based activities and molecular model animations.

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  • A teacher in front of a board

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    Take a look at our new NGSS and CCELA Standards alignment.

  • Two students mix vinegar and baking soda in a graduated cylinder

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    View selected lessons from MSC translated into Spanish.

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You can download all of the lessons from Middle School Chemistry for free.