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Soapy Boat
Lawrence Hall of ScienceAdd to list DetailsLearners discover that soap can be used to power a boat. Learners make a simple, flat boat model, put it in water, and then add a drop of detergent at the back of the boat. The soap changes the...
Sticky Structures
Lawrence Hall of ScienceAdd to list DetailsIn this engineering/design/arts and crafts activity, learners design and build "platforms" or "bridges" that can hold weight, and test which glue makes the strongest structure....
Marshmallow Models
Lawrence Hall of ScienceAdd to list DetailsNo glue is needed for learners of any age to become marshmallow architects or engineers. Using marshmallows and water (and maybe edible decorations like peanut butter, pretzels, gumdrops, etc.),...
Invent a Plant
Lawrence Hall of ScienceAdd to list DetailsIn this activity, learners construct models of plants that are adapted to living under specific environmental conditions. As they make their models, learners consider what adaptations help plants...
Flower Powder
Lawrence Hall of ScienceAdd to list DetailsIn this outdoor activity, learners use artificial bees and paper models of flowers to find out how bees transfer pollen from one flower to another. Background information discusses bees and other...
Have a Heart
Lawrence Hall of ScienceAdd to list DetailsYour heart pumps blood throughout your body in one direction, around in a loop. In this activity, learners will make a model of one type of heart chamber called a ventricle. The model will require...