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In this online interactive simulation, learners will add different salts to water and then watch the salts dissolve and achieve a dynamic equilibrium with solid precipitate.

This activity uses LEGO® bricks to represent atoms bonding into molecules and crystals. The lesson plan is for a 2.5 hour workshop (or four 45-minute classes).

In this activity, educators can demonstrate how the nanoscale arrangement of atoms dramatically impacts a material’s macroscale behavior.

This fun and simple hands-on astronomy activity lets learners explore what happens when a star explodes.

In this activity, learners take apart a used zinc-carbon dry cell battery.

In this activity (on page 5 of PDF), learners use dry ice and household materials to make scientifically accurate models of comets.

This fun and simple hands-on astronomy activity illustrates the value of supernovae in the universe.

In this online interactive simulation, learners will test the pH of liquids like coffee, spit, and soap to determine whether each is acidic, basic, or neutral.

This simple and engaging astronomy activity explains nuclear fusion and how radiation is generated by stars, using marshmallows as a model.

This fun astronomy activity allows learners to experience finding stars in the night sky that will eventually go supernova. This activity is perfect for a star party outdoors.

In this activity, learners create models of ionic compounds and observe the chemical formula of binary molecules they have created.

This online interactive has three activities in the NanoLab (press the upper right button): Build, Zoom, and Transform.

In this activity, learners use molecular model kits to construct familiar molecules like lactose, caffeine, and Aspirin.

This activity introduces learners to the structure and properties of carbon nanotubes.