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Yogurt Cup Speakers
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Learners build a simple electromagnet, then use this electromagnet to transform a yogurt container into a working speaker. They can connect their speaker to a radio and listen as it transmits sound.
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Leaf it to Me
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In this activity, learners observe the effect of transpiration as water is moved from the ground to the atmosphere.
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Estuaries
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An estuary is a body of water that is created when freshwater from rivers and streams flows into the saltwater of an ocean.
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Gene Switches
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In this activity, learners explore how genetic switches function and the role of genetic switches in the process of evolution.
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Not Just A Bag Of Beans
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In this activity, learners count and measure kidney beans to explore natural selection and variation. Learners measure the length of 50-100 beans.
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Magnifying and Observing Cells
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In this activity related to microbes, learners make slides of cells from an onion skin and Elodea (American or Canadian waterweed) to observe under a microscope.
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A Simply Fruity DNA Extraction
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In this activity, learners extract DNA from a strawberry and discover that DNA is in the food they eat.
The Sharp Eyes of a Naturalist
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In this creative activity, learners will practice looking carefully to observe details and to become familiar with dioramas as a method for displaying naturalistic scenes.
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Shoebox Dinosaur Dig Site
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In this activity, (on page 6 of the PDF under SciGirls Activity: Dinosaurs) learners participate in a hands-on fossil excavation.
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Free-living and Plant-Parasitic Nematodes (Roundworms)
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This lesson introduces learners to the world of nematodes (roundworms).
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Motorized Balancing Toy
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In this activity, learners build a toy that flies in circles. This activity introduces learners to center of mass, torque, and rotational motion.
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Fun with Speedboats
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In this activity, learners explore how boats are engineered to achieve speed.
Buoyancy Bulls-Eye
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In this hands-on activity, learners will construct a scuba diver that can float in order to explore how sea creatures stay neutrally buoyant in the ocean and to see what kinds of forces might be influ
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Tobacco Mosaic Virus
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In this four-part laboratory exercise, learners investigate properties of Tobacco mosaic virus (TMV) including (1) symptoms induced by the virus in susceptible plants at the macroscopic and microscopi
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Life Size: Line 'em up!
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In this activity on page 1 of the PDF, learners compare the relative sizes of biological objects (like DNA and bacteria) that can't be seen by the naked eye.
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Close, Closer, Closest
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In this activity, learners perform an experiment that models a chromatography-like process called electrophoresis, a process used to analyze DNA.
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Collect Invertebrates to Determine Water Quality
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This activity (located on page 3 of the PDF under GPS: Alligator Habitat Activity) is a full inquiry investigation into organisms and the health of their ecosystems.
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Who Can Harvest a Walleye?
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This activity focuses on interactions within Earth systems and the effects of human activities. In this activity learners build a biomass pyramid.
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Twist & Shout
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Learners examine what happens when a tube spins in two directions at once. They push on a cardboard tube causing it to spin along its length while at the same time turning from end-to-end.
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Make a Dinosaur
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In this activity, learners explore the size and scale of dinosaurs. Learners listen to "Dinosaurs, Dinosaurs" by Byron Barton to understand some background information about dinosaurs.