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Determining the Amount of Transpiration from a Schoolyard Tree
National Health MuseumAdd to list DetailsIn this activity, learners calculate the number of milliliters of water a nearby tree transpires per day. First, teams of learners go outdoors to collect five leaves from a mulberry or cottonwood...
Five-Layer Density Column
The ExploratoriumAdd to list DetailsIn this activity, learners can create five-layer density columns by employing one of three (or all) methods. Method 1 gives the names of the liquids and the order for adding them, and its goal is...
Waves and Tides
NOAAAdd to list DetailsIn this 7-10 day investigation, learners develop an understanding of waves and tides and their motion through discussion, demonstration, and hands-on activities. Learners demonstrate wave motion in...
Why do Raindrops Sometimes Land Gently and Sometimes Land with a Splat?
Colorado State UniversityAdd to list DetailsIn this activity, learners examine raindrop bottles (prepared ahead of time) to observe in slow motion the behavior of falling droplets and explore concepts such as drag and terminal velocity. As...