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

Where rainwater goes after the rain stops? And why there are rivers and lakes in some parts of the land but not in others?

In this activity, one person acts as a human robot while another acts as their developer by programming their actions.

In this activity, learners design a device to solve a problem: how to get a ball out of a drain pipe.

Learners will follow a specific process to make their own paper using scrap paper, newspaper, or junk mail.

This is written as a display, but can easily be adapted to a hands-on activity. Learners observe and shake containers of shiny liquids.

In this physics activity, learners will investigate the strength of egg shells.

In this environmental science activity (page 4 of the PDF), learners use vinegar and chalk to observe the effect of acid rain on various building materials and plant life.

In this activity, learners investigate the properties of graphene and graphite.

Build a house you can fit inside, using cardboard tubes.

In this activity, learners use design thinking to design and build their own bridge out of household materials including adhesives and/or connectors.

In this activity, learners make self-assembled polymer spheres.

In this design challenge, learners design a storm drain cover that catches litter to protect waterways to learn about how local actions can have system-level effects.

In this activity, learners describe an object they can’t see. After someone picks outs a few mystery objects and places them in a pillowcase, learners will investigate using only their hands.

In this fun sticker activity, learners will create a size wheel with images of objects of different size, from macroscopic scale (like an ant) to nanoscale (like DNA).

In this activity, learners build a hovercraft using a paper plate, cup, and simple motor.

In this activity, learners investigate what happens when you build up static electricity on plastic balls.

In this activity, learners use the design thinking process to design and build their own aqueduct, or water bridge.

In this activity, learners explore how the application of nano-sized particles or coatings can change a bigger material’s properties.