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Rain Forest in Your Room
University of Nebraska State MuseumAdd to list DetailsThis activity (on pages 19-24) introduces learners to the rain forest's layers—emergent, canopy, understory, and forest floor—and has learners make paper lianas (vines that live attached to...
Rainbow Density Experiment
COSIAdd to list DetailsIn this colorful activity (page 6 of the PDF), learners will make a multicolor density column by using different concentrations of sugar solutions. They will see firsthand how differences in...
Lava Layering: Making and Mapping a Volcano
NASAAdd to list DetailsIn this activity, learners discover how geologists use stratigraphy, the study of layered rock, to understand the sequence of geological events. Learners use baking soda, vinegar, and different...
Pollen Tracks
University of Nebraska State MuseumAdd to list DetailsIn 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...
Density Rainbow
Oregon Museum of Science and IndustryAdd to list DetailsIn this activity, learners mix several sugar solutions to investigate the property of density. Each sugar solution has a different density and color of the rainbow. The less dense sugar solutions...
Test Density with a Supersaturated Solution
American Museum of Natural HistoryAdd to list DetailsLearners create three solutions with different levels of salinity. They compare the density of these solutions by coloring them and layering them in a clear plastic cup and in a soda bottle....
Comparing the Density of Different Liquids
American Chemical SocietyAdd to list DetailsLearners carefully pour vegetable oil, water, and corn syrup in any order into a cup and discover that regardless of the order they are poured, the liquids arrange themselves in layers the same way...
Changing the Density of a Liquid: Heating and Cooling
American Chemical SocietyAdd to list DetailsLearners investigate how the temperature of water affects its density. Learners place colored hot and cold water in a cup of room-temperature water to see that cold water sinks while hot water...