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Showing results 121 to 140 of 154
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Cabbage Juice Indicator
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In this chemistry activity, learners make indicator solution from red cabbage. Then, learners test everyday foods and household substances using the cabbage juice indicator.
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Automotive Emissions and the Greenhouse Effect
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In this activity about global climate change, learners will conduct an experiment and collect data to compare the amount of carbon dioxide (CO2) in four different sources of gases.
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Build a Giant Puzzle!
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In this activity, learners assemble large cubes to make nano-related images. Learners discover how different objects are related to nanoscience and nanotechnology.
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Balloon Nanotubes Tabletop
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This activity introduces learners to the structure and properties of carbon nanotubes.
Build A Hydrometer
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In this activity, learners will explore how a hydrometer works by building a working model and conducting experiments.
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Turbidity
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This is an activity about turbidity, or the amount of sediment suspended in water.
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Single Replacement Micro-Reactions
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In this chemistry activity, learners use common chemicals and metals to explore single replacement reactions.
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Developing Tests to Distinguish Between Similar-Looking Unknowns
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Learners identify an unknown liquid by comparing its behavior to known liquids. Learners drop liquids onto different surfaces and see how the liquids behave.
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Bubbles: Using Controls
In this experiment, learners use JOY liquid detergent and glycerin to make the largest bubble they can that lasts 15 seconds.
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Sand, Plants and Pants
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In this activity, learners explore how the application of nano-sized particles or coatings can change a bigger material’s properties.
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Soda Geyser
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In this quick activity (page 1 of PDF under SciGirls Activity: Lift Off), learners will use the ever-popular soda geyser experiment to test the reactivity of the various sugar candies or mints.
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Monitoring Amphibians
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In this field study, learners discover how to collect data in the field and how their efforts can help certain animals, specifically, amphibians.
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Exploring Size: Scented Solutions
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This is an activity in which learners will find that they can detect differences in concentration better with their nose (smelling) than with their eyes (seeing).
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Exploring Materials: Graphene
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In this activity on page 4 of the PDF, explore the unique molecular structure and conductive nature of graphene. Learners construct a circuit with a battery and LED bulb.
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Comparing the Amount of Acid in Different Solutions
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In this activity, learners use detergent solution to compare two solutions containing vinegar and cream of tartar.
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Temperature Affects Dissolving
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Learners design their own experiment to compare how well cocoa mix dissolves in cold and hot water. They will see that cocoa mix dissolves much better in hot water. Adult supervision recommended.
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Bury Me Not!
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This activity (page 2 of the PDF under SciGirls Activity: Bogs) is a full inquiry investigation into decomposition.
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Exploring Forces: Gravity
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In this nanoscience activity, learners discover that it's easy to pour water out of a regular-sized cup, but not out of a miniature cup.
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Seeds: Roots and Shoots
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In this indepth hands-on activity, learners build a structure that allows them to observe the growth of roots and the correlation between root growth and stem extension.
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What's in a Penny?
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In this chemistry activity, learners use chemical reactions to observe the composition of an alloy.