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In this activity (on page 2), pairs of learners create an imaginary crime scene. One person leaves the room while the other person moves a few things around.

This activity (on page 2) explores how sensing is part of robotics. Learners try tying their shoes with different constraints.

In this design challenge, leaners attempt to build a strong structure out of LEGO® bricks that can withstand a 4-foot drop.

Learners observe working lava lamps to understand how they work (included in PDF link).

Using yeast, sugar, and water, learners create a chemical reaction which produces carbon dioxide (CO2) gas inside a 2-liter bottle. They use this gas to inflate a balloon.

This quiz lets you estimate your annual radiation exposure.

This online simulation game explores the different consequences of water levels on the Columbia River in the Pacific Northwest.

Extract your DNA from your very own cells! First, learners swish salt water in their mouth to collect cheek cells and spit the water into a glass.

This game depicts a woman going through her day, faced with various loud sounds.