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In this activity, learners will use Google Sky to observe features of the night sky and share their observations.

In this activity, learners participate in a scavenger hunt, searching for and recognizing minerals and products that contain minerals.

In this design challenge, learners will practice empathy and design thinking skills by creating an invention of the future.

This is a quick activity (located on page 2 of the PDF under Nasturtium Leaves Activity) about surface tension.

In this online interactive simulation, learners will add different salts to water and then watch the salts dissolve and achieve a dynamic equilibrium with solid precipitate.

In this online game, learners must purchase power plants for their city.

This quiz lets you estimate your annual radiation exposure.

In this online game, learners attempt to send a rocket ship to various targets. Learners can adjust the angle and thrust of the rocket before it is launched.

In this activity (on page 2 of the PDF), learners (with adult help and supervision) investigate how heat affects polystyrene plastic.

In this activity, learners explore the parts of a circuit by modeling, as a group, a “human” circuit.

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

In this activity, learners will engineer a roof using simple materials to protect a construction paper person from a rainstorm.

With a bit of PVC, a laser, a can/cup, and a small mirror, you can make a device that visualizes you voice or any sound transmitted into the cup/can.

Learners explore the endless possibilities of cardboard engineering in this open-ended STEAM activity. Practice being creative by building structures with no glue, only cardboard and scissors.

In this activity, learners will explore engineering concepts to construct a blanket fort using materials sourced from home.

In this activity, learners use found natural materials to create a water haven for bees and other insects.

In this activity (11th activity on the page), learners use pennies to test their hearing acuity.

In this quick activity about size and scale (on page 2 of the PDF under What's Nano?

In this design challenge activity, learners explore the concept of biomimicry by using a natural organism's special features to design a new human object.

In this quick activity (page 1 of PDF under SciGirls Activity: Kites), learners will witness firsthand the effects of Bernoulli’s Principle by capturing a ping pong ball in the stream of air created b