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Showing results 141 to 160 of 201
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Secret Writing Devices
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In this activity about encryption, learners cut out a secret decoder badge from a handout and use it to encode messages to each other.
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Decode the Barcode
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In this online activity, learners crack the special code imprinted on envelopes to help the U.S. Postal Service deliver the mail.
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Simple Pop-Up Mechanisms
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In this activity, learners construct three quick and simple mechanisms to start building a pop-up book. Learners fold, cut, and glue paper to make a bird beak, parallelogram, and V-fold.
Simple Submarine
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Using simple, inexpensive items, learners build and test submarine models.
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Raising the Level of Carbon Dioxide in Your Blood
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In this activity (on page 146 of the PDF), learners will explore the effects of increased carbon dioxide in the bloodstream.
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Home Water Audit
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This activity offers learners and their families several ways to raise their awareness together about home water.
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Airplane Wing Investigation
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This activity (located on page 3 of the PDF under GPS: Balloon Fiesta Activity) is a full inquiry investigation into Bernoulli’s principle and airplane wings.
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Survival of the Fittest: Variations in the Clam Species Clamys sweetus
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This guided inquiry three-part activity engages learners in thinking about the mechanism of natural selection by encouraging them to formulate questions that can be answered through scientific investi
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Survival of the Fittest: Battling Beetles
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This guided inquiry three-part activity engages learners in thinking about the mechanism of natural selection through data collection and pattern recognition.
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Atmosphere Composition Model
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In this activity, learners create a model using metric measuring tapes and atmosphere composition data.
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Cookie Surface Area
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This is an activity (on page 2 of the PDF under Surface Area Activity) about surface area to volume ratio.
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Trees: Recorders of Climate Change
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In this activity, learners are introduced to tree rings by examining a cross section of a tree, also known as a “tree cookie.” They discover how tree age can be determined by studying the rings and ho
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Malformed Frogs
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This activity (on page 2 of the PDF under SciGirls Activity: Malformed Frogs) is a full inquiry investigation into using indicator species to assess the health of an environment.
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Oil Spill Cleanup
This hands-on experiment will provide learners with an understanding of the issues that surround environmental cleanup.
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Drawing Conclusions
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In this weather forecasting activity, learners determine the location of cold and warm fronts on weather plot maps.
Signs of Change: Studying Tree Rings
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In this very hands-on lesson, learners will investigate dendrochronology (the study of tree rings to answer ecological questions about the recent past) and come up with conclusions as to what possible
Multiple Reflections
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In this activity, learners explore how mirrors reflect light and change the way we see things.
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Estimation
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In this online activity, learners will explore size estimation in one, two and three dimensions. Multiple levels of difficulty allow for progressive skill improvement.
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The Muddy City: Minimal Spanning Trees
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In this puzzle, learners investigate the decisions involved in linking a network between houses in a muddy city.