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DNA From an Onion
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In this genetics activity, learners extract DNA from an onion, using detergent solution, a food processor, and rubbing alcohol. They will also discuss genetic engineering of plants.
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Kool Colors
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Learners investigate how temperature affects the rate of chemical reactions by observing how steel wool reacts with various types of Kool-Aid solutions at different temperatures.
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Earth's Energy Cycle: Albedo
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In this activity, learners experiment and observe how the color of materials that cover the Earth affects the amounts of sunlight our planet absorbs.
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Exploring How Liquids Behave
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Learners apply their knowledge from a previous study to identify different liquids--water, corn syrup, and vegetable oil.
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Hot and Cold
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In this chemistry challenge, learners discover that many chemical reactions involve heat loss or gain.
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The Liquid Rainbow
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Learners are challenged to discover the relative densities of colored liquids to create a rainbow pattern in a test tube.
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Rice Handle
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In this physics activity, learners attempt to lift a jar full of rice using only a spoon.
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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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Exploring Liquids
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Young learners investigate and observe the properties of three liquids -- water, vegetable oil, and corn syrup. They use their senses to collect data and ask and answer questions.
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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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Heating and Cooling of the Earth's Surface
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Learners conduct an experiment to determine the rate at which two materials, sand and water, heat up and cool down.
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Screaming Balloon
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In this quick activity (page 1 of the PDF under SciGirls Activity: Extreme Sounds) about sound vibrations, learners will investigate which small objects, such as coins, hex nuts, or marbles, produce t
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Spaghetti Bridge
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In this engineering activity, learners investigate the differences between the strength of bridges made from flat and round building materials.
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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.
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Vibrant Cords
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In this activity, learners will explore how the voice works and feel the vibrations produced by vocal cords.
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Composting
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In this environmental science activity, learners research what is essential for plant life and the necessary components of soil to support plants.
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Film Canister Farming
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In this hands-on botany activity, learners sprout vegetables in film canisters.
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Number Sense and Computation: Soak It Up
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In this math lesson, learners compare products to determine the best product.
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How Quick Are Your Responses?
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In this activity (on page 134 of the PDF), learners explore reaction time.