Chemistry

Chemistry turns invisible forces into things students can see: molecules tugging on each other, atoms rearranging into new substances, energy moving in and out. These free interactives make that invisible layer visible one slider at a time, with worksheets and NGSS-aligned lesson plans built in.

Photosynthesis Explorer

Turn light, water and CO₂ up and down to find what limits a plant, then read the balanced equation behind it.

NGSS MS-LS1-6 · HS-LS1-5

Water Up Close

Pick a property of water and see it twice at once: the molecules on the left, real life on the right, from a microwave race to why ice floats.

NGSS HS-PS1-3