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Showing results 61 to 80 of 729
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Acid Rain Effects
Learners conduct a simple experiment to model and explore the harmful effects of acid rain (vinegar) on living (green leaf and eggshell) and non-living (paper clip) objects.
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Be a Scanning Probe Microscope
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In this activity, learners investigate Scanning Probe Microscopes (SPM) and then work in teams using a pencil to explore and identify the shape of objects they cannot see, just as SPMs do at the nano
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Creepy Crawlers
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Trick your family and friends with this creepy crawler that moves up and down. In this activity, learners construct a circuit and motor device that will move a homemade spider in a spooky way.
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Super Spinner
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In this activity (page 1 of PDF under SciGirls Activity: Pet Handedness), learners will construct a simple spinning top out of a circle of construction paper, a film canister lid, and a bamboo skewer.
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Gumdrop Dome
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In this activity (located on pages 23-24 of the PDF), learners are introduced to structural engineering and encouraged to practice goal-oriented building.
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What's Hiding in the Air?: Acid Rain Activity
As a model of acid rain, learners water plants with three different solutions: water only, vinegar only, vinegar-water mixture.
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A Recipe for Air
Learners use M&Ms® (or any other multi-color, equally-sized small candy or pieces) to create a pie graph that expresses the composition of air.
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Bronx Cheer Bulb
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In this activity, learners observe what happens when they give a light source like a neon glow lamp a "Bronx Cheer." The lights appear to wiggle back and forth and flicker when learners blow air throu
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Egg Drop
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In this activity, learners will design a protective package for an egg that will allow the egg to withstand a fall without cracking.
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Morphing Butterfly
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In this activity, learners explore how nanosized structures can create brilliant color.
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Composite Materials
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This is an activity (located on page 3 of PDF under Hockey Sticks Activity) about composites, materials made of 2 or more different components.
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Dunking the Planets
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In this demonstration, learners compare the relative sizes and masses of scale models of the planets as represented by fruits and other foods.
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Sled Kite
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In this activity, learners build a sled kite that models a type of airfoil called a parawing.
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Gravity Fail
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In this activity, learners try pouring water out of a regular cup and a miniature cup. It’s harder than it sounds! Learners discover that different forces dominate at different size scales.
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The Electric Squeeze
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In this activity/demo about piezoelectricity, learners discover how some crystals produce electricity when squeezed.
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Nano Ice Cream
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In this activity/demo, learners discover how liquid nitrogen cools a creamy mixture at such a rapid rate that it precipitates super fine grained (nano) ice cream.
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Homemade Hovercraft!
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This activity (on page 2 of the PDF under SciGirls Activity: Hovercraft) is a full inquiry investigation into hovercraft engineering and design optimization.
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Gummy Shapes
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In this activity, learners use chemistry to “self-assemble” gummy shapes. Learners discover that self-assembly is a process by which molecules and cells form themselves into functional structures.
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Going for a Spin: Making a Model Steam Turbine
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In this activity, learners explore how various energy sources can be used to cause a turbine to rotate.
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Build Your Own Robot Arm
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In this lesson, learners develop a robot arm using common materials. Learners explore design, construction, and teamwork, as well as materials selection and use.