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In this chemistry demonstration, learners investigate the rule "likes dissolve likes" by combining three, immiscible liquids to create a colorful density column.

This activity (on page 2 of the PDF under SciGirls Activity: Forecasting) is a full inquiry investigation into meteorology and forecasting.

In this activity, learners investigate passive solar building design with a focus solely on heating.

In this activity, learners explore the chemical reaction between water and effervescent antacid tablets. This hands-on activity models how a material can act differently when it's nanometer-sized.

In this simple chemistry activity (page 1 of PDF under SciGirls Activity: Colorblind Dogs) about acids and bases, learners will mix a baking soda and water solution and use it to paint a message on a

In this activity (3rd on the page), learners investigate circadian rhythms by examining how well people do with estimating time.

Learners build at least two different spinners (tops) to investigate how mass distribution, size, and shape affect the length of time the spinner spins.

In this physics activity (page 5 of the PDF), learners will witness the effects of free fall by observing falling water, and will gain a better understanding of the concept of weightlessness.

In this activity, learners follow a recipe to create play dough scented with fruit-flavored drink mix.

This experiment is designed to illustrate how fluids, including water, have the ability to flow.

Learners use a spring scale to drag an object such as a ceramic coffee cup along a table top or the floor.

In this activity, learners test exhaled breath for carbon dioxide and learn how to use an indicator as a simple way to measure pH.

In this chemistry activity, learners make a slimy non-Newtonian fluid called "Gluep." Use this activity to introduce learners to polymers and viscosity.

In this physics activity (page 3 of the PDF), learners will explore the concept of static electricity.

Learners conduct four simple experiments to demonstrate the effects of air pressure.

In this four-part activity, learners explore light and sound through a variety of hands-on investigations.

In this activity, learners explore properties of water and watch evaporation happen by "painting" with water in the sun.

This mirror-tracing activity related to proprioception is a visual and motor test that involves learning a new motor skill.

In this simple activity (on page 7 of the PDF), learners use water and liquid dish detergent to see which one removes lipstick better from an index card.

Learners initially test to see how many drops of liquid (water, rubbing alcohol, and vegetable oil) can fit on a penny.