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In this engineering activity, learners explore simple machines and then build cardboard automata using cams.

In this activity, learners repeat patterns in two and three dimensions to create tessellations.

In this design challenge activity, learners build a tower that’s at least 12 inches high with two or more parts that move (spin, sway, or flap) in the wind.

In this design challenge activity, learners build a four-stringed instrument that can play a tune.

In this environmental health activity, learners investigate their breathing and pulse rates, and learn how these measurements are affected by physical activity.

Make your own "Dance Dance Revolution" dance pad! In this design challenge activity, learners work in teams to build a dance pad that lets you use your feet to sound a buzzer or flash a light.

Este Web site contiene links a 12 calendarios (12 meses). Cada mes contiene actividades sobre matemáticas.

In this activity on page 8 of the PDF (Behind the Scenes with Chemistry), learners make three of Harry Potter's essential school supplies: quills, ink, and color-changing paper.

Students design and build their own parachutes in this hands-on engineering project.

This activity (on pages 13-18) has learners build a model tree and then figure out how to make their tree stand up by itself.

In this design challenge activity, learners add headphones to a previously built instrument (see "Build a Band" activity) to make it easier to hear.

In this activity (page 4), learners work in groups to plan and build large structures using recyclable materials they have brought from home.