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Showing results 821 to 840 of 1245
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Evolution in Action: Isolation and Speciation in the Lower Congo River
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In this guided discussion activity, learners watch a video about Central Africa's Lower Congo River, one of the most biologically diverse rivers in the world.
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Tangram Challenge
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In this activity, learners use tangrams ( 7-piece puzzle tiles) to assemble a variety of shapes. Tangrams are ideal for improving spatial reasoning and geometry properties.
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Spicy Indicator: Use turmeric to test for bases in your home
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This activity uses turmeric, a common spice in curry, as an indicator for acidity and basicity. Turmeric is yellow in acid and neutral substances, but turns bright red with bases.
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Supernova Star Maps
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This fun astronomy activity allows learners to experience finding stars in the night sky that will eventually go supernova. This activity is perfect for a star party outdoors.
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Right Ear/Left Ear
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In this activity (4th on the page), learners conduct a series of tests to find out which of their ears is more dominant.
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Chromatography
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In this activity (page 3 of the PDF), learners will observe a physical change.
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How Thick is Your Hair?
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In this activity on page 13 of the PDF, learners use a laser pointer (with known wavelength of light) to measure the thickness of a human hair.
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Shake and Match
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In this activity, learners create a hearing based memory game that they can share with friends.
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Copy Cats
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In this math activity, learners use what they know about shapes to copy a friend's hidden picture. Learners create a design out of pattern blocks and then hide their picture behind a screen.
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Spool Racer
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In this physics activity, challenge learners to make a rubber band-powered spool racer. Demonstrate principles of motion as well as potential and kinetic energy.
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ROV Races
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In this activity, learners will work together to create a program to navigate a Remotely Operated Vehicle (ROV) through an obstacle course.
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Glow in the Dark
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Learners experiment to see which colors of light will cause a phosphorescent (glow-in-the-dark) material to glow.
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Solubility Test
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In this activity, learners apply a dissolving test to known crystals to identify the unknown. Since the unknown is chemically the same as one of the known crystals, it should dissolve similarly.
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Polarized Light Mosaic
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In this activity, learners use transparent tape and polarizing material to create and project beautifully colored patterns reminiscent of abstract or geometric stained glass windows--no glass required
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Cardboard Sculptures
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Learners explore the endless possibilities of cardboard engineering in this open-ended STEAM activity. Practice being creative by building structures with no glue, only cardboard and scissors.
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A Crayon Rock Cycle - Igneous
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This is part 3 of the three-part "Crayon Rock Cycle" activity. Before starting this section, learners must have completed part 1: sedimentary rock and part 2: metamorphic rocks.
Send Secret Messages
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In this activity, learners write a secret message in "invisible ink" and then use chemistry to view the writing.
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Glitter Slime
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In this activity on page 8 of the PDF, learners make a slimy substance very similar to mucus, and sprinkle it with glitter to imitate the way that allergens are trapped.
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Number Cruncher
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In this online puzzle game, learners need to choose a path from a starting number to a goal number. Along the path are simple operations (e.g.
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Volume, Mass, and Density Boxes
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This activity was designed for blind learners, but all types of learners can utilize it to investigate volume, mass, and density.