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Showing results 141 to 160 of 207
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Measuring Blood Pressure in Space
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In this activity (page 105 of the PDF), learners measure heart rate and blood pressure and learn how to obtain consistent measurements during repeated tests.
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What Cells Can I See in Muscle and Spinal Cord Tissues?
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In this activity (page 37 of the PDF), learners observe, on a prepared slide, muscle and spinal cord cells from a rat.
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What's So Special about Water: Surface Tension
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In this three-part activity, learners play a game and conduct two simple experiments to explore water and surface tension. Learners will have fun discovering how water "sticks" together.
Harmful Algal Blooms: In Full Bloom
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In this activity, learners will investigate the impacts of harmful phytoplankton using NOAA's Coastal Services Center Harmful Algal Bloom Forecasting (HABF) Project data.
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Paper Tape Motion Timer
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In this activity, learners build a recording timer made from simple materials (e.g., small dc motor, sharpie pen, craft sticks, adding machine paper tape, etc.).
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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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Breaking Beams
Learners investigate stress and strain by designing, building, and testing beams made from polymer clay.
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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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As the Rotor Turns: Wind Power and You
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In this engineering activity, learners will get acquainted with the basics of wind energy and power production by fabricating and testing various blade designs for table-top windmills constructed from
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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Sink or Float?
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In this water activity, learners test which objects float and which sink. Learners discover that objects behave differently in water.
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Space Stations: Measure Up!
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In this activity, learners work in pairs to measure each other's ankles with lengths of string.
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Head in the Clouds
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In this activity, learners create a CloudSpotter wheel and record the different types of clouds they observe twice daily over several days.
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Tug-of-War
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This activity (on page 2 of the PDF under SciGirls Activity: Tug O' War) is a full inquiry investigation into tug-of-war physics. Groups of learners will test two tug-of-war strategies.
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Fish Mouths
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This activity (page 2 of the PDF under SciGirls Activity: California Fish) is a full inquiry investigation into environmental adaptation.
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Print Hints
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In this physical sciences activity, learners explore how forensic investigators collect prints from a crime scene. Learners make hand impressions in damp sand and analyze the patterns they observe.
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How Small Can You Cut?
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In this lesson, learners cut paper into very small pieces to explore the small size of quarks, the smallest thing we know of on Earth.
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The Beaks of the Finches
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In this simulation, learners become birds different beak types. Learners use various tools to represent beaks to pick up seeds and place them in a petri dish.
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Scientific Measurement Exercise
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Learners measure irregularly shaped bones using a variety of measurement methods and tools. Then, they measure again using standard conventions and metric tape measures.