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Fold a Crystal
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Rocks are made of minerals, and minerals often have crystal shapes. In this fun activity about geometry in nature, learners create their own crystal shapes out of paper.
Tiny Tubes
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In this activity, learners make "totally tubular" forms of carbon. Learners use chicken wire to build macro models of carbon nanotubes.
Avalanche
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In this geology activity, learners create a model using a mixture of salt and sand inside a CD case. When the case is tilted or inverted, the mixture dramatically sorts into a layered pattern.
Highway Seismograph
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This is an activity that models the operation of a seismograph, a tool used to measure the size of earthquakes.
Modeling Limits to Cell Size
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This investigation provides learners with a hands-on activity that simulates the changing relationship of surface areas-to-volume for a growing cell.
Thinking in Three Dimensions
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In this activity, learners create three-dimensional shapes by making some origami models of simple boxes and containers.
Sled Kite
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In this activity, learners build a sled kite that models a type of airfoil called a parawing.
Catapult
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In this activity, learners construct their own small catapults using simple materials. Learners follow visual instructions to build their launching device.
Build a Solar System
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In this activity, learners make a scale model of the Solar System and learn the real definition of "space." Learners use the online calculator to create an appropriate scale to use as a basis for thei
Pyramids and Triangles
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Straws and pipe cleaners are terrific materials for building models of pyramids and cubes.
Scaling an Atom
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In this activity, learners make a scale model of an atom to see how big or how small an atom is compared to its nucleus. Learners will realize that most of matter is just empty space!
Crazy Shapes
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In this activity, learners cut a shape into two equal sized pieces and use their knowledge of geometry and space to prove that the two parts are equal.
My Solar System
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In this online activity, learners build their own system of heavenly bodies and watch the gravitational ballet.
Strengthen a Paper Bridge
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In this quick activity (page 1 of the PDF under SciGirls Activity: Tug O' War), learners will test how many pennies a flat paper index card bridging the gap between two stacks of books is able to supp
I Want to Hold Your Hand
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In this activity, learners construct a robot-like hand to demonstrate how data is collected when using robotic technology.
Rooftop Gardens
How does a green roof, or roof covered by plants, affect the temperature of the inside and outside of a building? Learners design and build houses to find out the answer.
Understanding Albedo
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In this activity related to climate change, learners examine albedo and the ice albedo feedback effect as it relates to snow, ice, and the likely results of reduced snow and ice cover on global temper
Pocket Solar System: Make a Scale Model
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This fun and simple hands-on astronomy activity lets learners build a scale model of the universe with little more than adding machine tape.
Make a Terrarium
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In this activity, learners make a miniature greenhouse or "terrarium" to explore the greenhouse effect.
Transit Tracks
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In this space science activity, learners explore transits and the conditions when a transit may be seen.