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In this activity, learners create their own icons for a forecast-at-a-glance poster for their classroom/learning space.

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

In this outdoor water activity, learners explore how to change the direction of water flow. Learners make puddles in dirt or use existing puddles and sticks to make water flow.

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

In this activity about color, learners get to explore the process of chromatography. Right before their eyes, they can watch ordinary green and black ink turn into a literal rainbow of colors.

In this activity, learners will create their own percussion instrument with recycled materials. Learners will explore design, fabrication, cause and effect and sound through this activity.

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 optics activity, learners use a shoebox, colored cellophane and sunlight to "change" the colors of gumballs. Learners will be surprised when the green and blue gumballs appear black!

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

In this activity, learners explore force and motion by constructing cardboard cars that are propelled by balloons.

In this activity, learners make a 3-D model of magnetic fields by inserting a small, strong magnet into a sphere.

In this activity, learners build a slide whistle using PVC pipe, bamboo skewer, and piece of foam. Construction of the instrument is relatively simple.

In this activity, learners build water-propelled engines from soft drink cans.

In this engineering activity (page 2 of PDF), young learners investigate how a wide base can make a building more stable. Learners use blocks or boxes of different sizes to construct stable towers.

In this activity, learners participate in several full-body interactive games to model the process of self-assembly in nature and nanotechnology.

In this design challenge, learners will create their own roller coaster using household objects for the track and a marble or small ball as their cart.

Did you know that using a lens one can bend light to make pictures of the world? It's true!

In this activity on page 2 of the PDF, learners test different materials to find out which is the best insulator.

In this physics activity (page 3 of the PDF), learners will move a load using a lever of each of the 3 classes. They will explore the differences between these classes and which are more effective.