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In this activity, learners build edible models of Jupiter and Earth to compare their sizes and illustrate the planets' internal layers.

In "Chemistry is Colorful" learners explore different materials through paper chromatography.

In this activity (on pages 30-36), learners simulate a dig for ancient pollen, to experience how paleobotanists study fossilized pollen in rocks to learn about early geological and climatological even

In this activity, learners use gelatin as a lens to investigate the properties of laser light.

This is a web page that helps informal educators brainstorm on how to use a Pico Cricket (tiny computer) in an informal activity.

Albert Einstein proved that space bends around anything that has mass. This activity uses Jell-O's ability to bend around objects as a model for space bending around planets and stars.

In this activity, learners create a necklace of wheat germ DNA. Learners add alcohol to wheat germ so that the DNA clumps together.

Learners explore the variables that affect the properties of ice and the places where different types of ice are found.