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This magic trick is based on how computers detect and correct data errors.

In this interactive and informative group activity, learners use packages of M&M's to illustrate the difference between weather and climate.

In this fun and simple hands-on astronomy activity, learners construct a model of our place in the Milky Way Galaxy and the distribution of stars, with a quarter and some birdseed.

In this demonstration, cook a cake using the heat produced when the cake batter conducts an electric current.

Learners play the role of materials engineers as they test the flexibility of different materials.

This is an activity/demo in which learners are exposed to the difference bewteen hydrophobic surfaces (water repelling) and hydrophilic surfaces (water loving).

In this activity, learners explore the relative size of the Sun and Earth as well as the distance between them.

In this activity, learners explore how light and dark colored objects absorb the Sun's radiations at different rates.

In this activity, learners dissect a piece of pizza to learn about nutrients important for health.

This hands-on activity demonstrates how a material can act differently when it's nanometer-sized.

In this activity/demonstration, learners observe what happens when two ping pong balls are suspended in the air by a hair dryer. Use this activity to demonstrate how rain drops grow by coalescence.

In this astronomy activity, learners create a model of the solar system using beads and string.

In this activity, learners act as the Earth and observe how different angles between the Sun, Earth, and Moon affect the phases of the moon we see each month.

This is a classic exercise for visualizing the scale of the Solar System.

In this introductory activity and demonstration, learners are introduced to the concept that different substances react chemically in characteristic ways.

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

In this demonstration, learners attempt to get a large coin through a small hole, the size of a smaller coin.

In this activity, learners estimate how much water they think can be found in various locations on the Earth in all its states (solid, liquid, and gas) to discover the different water ratios in the Ea

In this activity, learners will explore how a hydrometer works by building a working model and conducting experiments.

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