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Get all wrapped up in a lesson about skin!

In this optics activity, learners explore interference by adding wax blocks to a ripple tank.

In this activity, learners create a model using metric measuring tapes and atmosphere composition data.

In this web-based activity, learners try to figure out who in an online chat room has their matching puzzle piece.

Learners make a mobile model of a carbon atom using clay, wire, and pipe cleaners.

In this activity, learners will explore vegetative propagation while preparing food scraps to grow into plants.

In this activity, learners explore how engineering has impacted the development of bridges over time, including innovative designs and the challenge of creating bridges that become landmarks for a cit

In this activity (on pages 20-23 of PDF), learners build a model of a power plant using simple materials.

In this activity, learners use Teflon (PTFE) tape to write secret messages.