Search Results
Showing results 1 to 2 of 2
Invisible Ink
Source Institutions
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
Light and Sound
Source Institutions
In this four-part activity, learners explore light and sound through a variety of hands-on investigations.