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In this activity, leaners explore building techniques by recreating the story of The Three Little Pigs.

In this laboratory exercise, learners will discover how many different plant hosts they can find that are infected by the same genus of a powdery mildew fungus, or how many different genera of powdery

This activity has learners observe water and compare it to other liquids.

In this activity (page 1 of the PDF under SciGirls Activity: Dinosaurs), learners will model how paleontologists estimate the age of fossil discoveries by extracting “fossil” playing cards from newspa

Each group of learners uses everyday materials, such as paper, toothpicks, and tape to design and construct a structure intended to support the weight of a cinder block for 30 seconds.

In this activity, learners construct three optical illusion toys to examine how our brains play tricks on what we see.

In this activity, a group of learners work collaboratively to design and construct a paper model showing the evolution of an environment through multiple stages, from prehistory through the modern cit

In this activity, learners investigate procedural memory.

In this activity, learners create 3D geometric shapes using straws and pipe cleaners.

In this activity, learners use gumdrops and toothpicks to model the composition and molecular structure of three greenhouse gases: carbon dioxide (CO2), water vapor (H2O) and methane (CH4).

In this quick activity about predicting (located on page 2 of the PDF under Where's Nano?

In this activity, learners become detectives and use chemistry to investigate fingerprints.

In this physical sciences activity, learners explore how passive solar design increases energy efficiency.

In this activity, learners build penetrometers to test leaf toughness. Biologists measure leaf toughness to study the feeding preferences of insects and bugs.

In this two-part activity about luminescence, learners explore the chemistry that happens inside glow sticks and other light producing reactions.

Learners carefully look at four known household crystals.

In this activity, learners add dilute bleach solution to water that has been dyed with yellow, blue, and green food color.

Through discussion and hands-on experimentation, learners examine the geological (ancient) carbon cycle.

Learners develop awareness and understanding of the daily air quality using the Air Quality Index (AQI) listed in the newspaper or online.

This lesson gives full instructions for making cabbage juice indicator, a procedure sheet for learners to record observations as they use the indicator to test materials, and extension activities to d