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Are you a Supertaster?
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In this activity, learners examine their tongue and taste buds.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-002.png?itok=wUZP2FNq)
Density Intensity
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In this activity on page 12 of the PDF (Rethinking the 3 R’s: It’s Easy to be Green), learners examine how recyclable materials are separated by various properties at recycling centers.
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Dye Like A Natural
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In this activity, learners stain fabrics--on purpose!
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Nutrients in an Estuary
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In this activity, learners model estuaries, artificially enriching both fresh and salt water samples with different amounts of nutrients and observing the growth of algae over several weeks.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-147.jpg?itok=w0mmWqxK)
Foam Rocket
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In this activity, learners work in teams build and launch rubberband-powered foam rockets.
Growing Rock Candy
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In this activity, learners make their own rock candy. Crystals will grow from a piece of string hanging in a cup of sugar water. The edible crystals may take up to a week to form.
Floating Paperclip and Other Surface Tension Experiments
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In this activity, learners experiment with surface tension using everyday household items such as strawberry baskets, paperclips, liquid dish soap, and pepper.
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Electricity: Fruit Batteries
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In this activity, learners create a battery from fruit. This activity helps learners explore electricity, electrochemistry, and series circuits as well as the process of scientific inquiry.
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Introduction to the Scientific Method
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In this activity (page 26 of the PDF), learners make observations, formulate hypotheses and design a controlled experiment, based on the reaction of carbon dioxide with calcium hydroxide.
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Density Rainbow
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In this activity, learners mix several sugar solutions to investigate the property of density. Each sugar solution has a different density and color of the rainbow.
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Building a 3-D Space Maze: Escher Staircase
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In this activity (page 95 of the PDF), learners create Escher Staircase models similar to those that were used by Neurolab's Spatial Orientation Team to investigate the processing of information about
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Tree-mendous Plots
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In this math lesson, learners record and graph plant growth and interpret data. Learners plant seeds, and once the seeds sprout, record the change in height of the plants for several days.
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Gel Electrophoresis of Dyes
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In this experiment related to plant biotechnology, learners discover how to prepare and load an electrophoresis gel.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-100.png?itok=xa5AlrKF)
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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Grow a Garden in a Glove
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Learners use a transparent plastic glove as a container to grow seeds. A different kind of seed can be planted in each finger.
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Taking Its Temperature
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In this activity (pages 5-7), learners investigate the properties of smart materials, which are materials that respond to things that happen around them.
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Photosynthetic Pictures Are Worth More Than a Thousand Words
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This activity provides an opportunity for learners to observe and examine how carbon dioxide, water, and light produce glucose/starch through a process called photosynthesis.
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Portable Potable Pressure
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In this activity, learners use plastic water bottles, wood, and water to build an inexpensive and portable tool to demonstrate one atmosphere of pressure at sea level.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-418.jpg?itok=IJmt61cj)
What's the Matter
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In this activity, learners identify different classes of matter based on physical properties.
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Lotus Leaf Effect
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This is a demonstration about how nature inspires nanotechnology. It is easily adapted into a hands-on activity for an individual or groups.