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Polar Opposites
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In this activity, learners make a 3-D model of magnetic fields by inserting a small, strong magnet into a sphere.
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Slide Whistle
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In this activity, learners build a slide whistle using PVC pipe, bamboo skewer, and piece of foam. Construction of the instrument is relatively simple.
Tree Poker
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In this activity (p.14-15 of PDF), learners discover the concepts of competition and limiting factors as they relate to plant and animal communities.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-510.png?itok=2QJ6-LL_)
Exploring Fabrication: Self-Assembly
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In this activity, learners participate in several full-body interactive games to model the process of self-assembly in nature and nanotechnology.
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Milli's Insulation Investigation
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In this activity on page 2 of the PDF, learners test different materials to find out which is the best insulator.
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Rolling Returns
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In this activity, learners build a special rolling can that returns back to you when you push it forward. Use this activity to demonstrate the transfer of energy between kinetic and potential energy.
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Clean Me Up, Snotty
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Learners will explore the chemistry of mucous and its importance to our health by following a process to make their own replica "snot." The activity includes a time and age recommendation, a materials
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Cup Towers
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In this activity, learners explore different ways to stack cups to meet a personal goal.
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Weather Vane
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In this meteorology activity, learners build weather vanes using straws, paperclips, and cardstock.
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Solar System on a Stick
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Learners build a model of the planets in the solar system. In their model, the planets are spaced in their relative distance from the Sun.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-517.jpg?itok=7phaKEp-)
Changing Shadows
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In this sunny day, outdoor activity, learners observe changes in shadows over time. The activity also helps to develop a sense of the Earth's motion.
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Water Bugs
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Some bugs can walk on the surface of a lake, stream, river, pond or ocean.
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Sun Cookies
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In this activity, learners use candy pieces and a cookie to make an accurate model of the Sun they can eat. Parts of the delicious model include solar granules, sunspots, and solar prominences.
Gelatin Optic Fibers
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In this activity, learners make optical fibers out of strips of gelatin.
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Frog Eggs
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In this activity, learners compare frog eggs to chicken eggs to better understand why frog eggs need water. Learners compare a boiled chicken egg to "frog eggs" represented by boiled tapioca.
Alien Encounter
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Use multiplication to help the aliens find out how much fuel they need to get their spacecrafts home.
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Bubble Suspension
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In this activity, learners observe as soap bubbles float on a cushion of carbon dioxide gas. Learners blow bubbles into an aquarium filled with a slab of dry ice.
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Handwriting Analysis
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In this forensics activity, students will explore the methods that investigators use to confirm the authenticity of handwriting.
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Static Electricity
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In this activity, learners will explore ways static electricity interacts with the surroundings of an object. The activity has step-by-step instructions in English and Navajo.
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What am I?
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In this activity, learners examine nanoscale structures of common things.