Search Results
Showing results (1 to 10 of 14)
Freezing Lakes
Lawrence Hall of ScienceAdd to list DetailsIn some parts of the world, lakes freeze during winter. In this activity learners will explore water’s unique properties of freezing and melting, and how these relate to density and temperature....
Ancient Sun Observations
Lawrence Hall of ScienceAdd to list DetailsIn this activity, learners make their own Sun tracker to explore how ancient civilizations around the world studied the Sun. After creating the tracker with simple materials, learners measure the...
Runaway Runoff
Lawrence Hall of ScienceAdd to list DetailsWhen it rains, water can collect on top of and seep into the ground. Water can also run downhill, carrying soil and pollution with it. In this activity, learners will see how the ground influences...
Solar Flare Flip Book
Lawrence Hall of ScienceAdd to list DetailsIn this activity, learners make their own flip book that shows real solar flares erupting from the Sun in November 2000. Step-by-step instructions are included with photos. Activity guide includes...
Algae in Excess
Lawrence Hall of ScienceAdd to list DetailsPlants need nutrients to grow. This is why we apply fertilizers to grass and food crops. In this activity, learners will explore how fertilizers can affect lakes and other bodies of water. Learners...
Dip Dip, Hooray
Lawrence Hall of ScienceAdd to list DetailsLakes, streams and other freshwater bodies are a habitat for lots of living things, big and small. In this outdoor activity, learners will build their own net in order to collect and observe their...
Exploration Tank
Lawrence Hall of ScienceAdd to list DetailsThis is a guide for facilitating interaction at a touch tank with marine animals. The instructions are for setting up a display in an informal science center, but could work anywhere. Both...
Sensory Hi-Lo Hunt
Lawrence Hall of ScienceAdd to list DetailsIn this outdoor activity, learners use only their senses to to find the extremes of several environmental variables or physical factors: wind, temperature, light, slope and moisture. Learners also...
Detect Solar Storms
Lawrence Hall of ScienceAdd to list DetailsIn this activity, learners build their own magnetometer using an empty soda bottle, magnets, laser pointer, and household objects. Once built, learners will use their magnetometer to measure slight...
Clear Water, Murky Water
Lawrence Hall of ScienceAdd to list DetailsHow do scientists measure how clear or murky water in a lake is? How does water clarity (clearness) affect what lives in the lake? In this outdoor activity, learners will make their own Secchi disk...