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Fizzy Nano Challenge
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This lesson focuses on how materials behave differently as their surface area increases.
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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.
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Avalanche
Source Institutions
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.
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The Shape of Floatation
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In this activity (on page 2 of the PDF under GPS: Sailboat Design Activity), learners will discover how the shape of an object, not just its weight, determines whether it floats or sinks.
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Ramps 1: Let it Roll!
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In this activity about ramps, learners explore and measure the rate at which spherical objects roll down a ramp.
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A Funny Taste
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In this activity, learners explore the different salinities of various sources of water by taste-testing.
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How Much Water is in that Cloud?
Source Institutions
In this activity, learners working in pairs saturate a cotton ball using water drops from an eyedropper to demonstrate the high water capacity of clouds.
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Best Bubbles
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In this activity, learners experiment with creating various types of bubble solutions and testing which ingredients form longer-lasting bubbles.
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Statistics: Wet Heads
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In this math lesson, learners learn how to construct stem and leaf plots. Learners first estimate the number of drops of water that will fit on the head of a penny.
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Drying It Out
Source Institutions
In this activity, learners investigate and compare the rate of drying in different conditions.
Investigating Density Currents
Source Institutions
In this lab activity, learners explore how to initiate a density current. Learners measure six flasks with different concentrations of salt and water (colored blue).
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Incredible Shrinking Shapes
Source Institutions
In this activity, learners get hands-on experience with ratios and scaling while making their own jewelry out of recycled plastic containers.
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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.
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Ball Bounce Experiment
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In this activity, learners investigate the properties of different types of balls.
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Plot the Dot: A Graphical Approach to Density
Source Institutions
In this activity, learners work in groups to determine the mass and volume of four samples: glass marbles, steel washers or nuts, pieces of pine wood, and pieces of PVC pipe.
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Surface Area and Soda Geysers
Source Institutions
This is an activity (located on page 4 of the PDF under Surface Area Activity) about surface area and reactivity.
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Sublime Sublimation
Source Institutions
In this activity, learners explore sublimation by conducting experiments with dry ice.
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Plugged in to CO2
Source Institutions
In this activity, learners investigate various appliances and electronics, discovering how much energy each uses and how much carbon dioxide (CO2) is released to produce that energy.
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Chew that Gum
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In this quick activity (page 1 of PDF under SciGirls Activity: Exercise and Memory), learners will investigate what happens to bubble gum when it is chewed for 5-10 minutes.
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Composite Materials
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This is an activity (located on page 3 of PDF under Hockey Sticks Activity) about composites, materials made of 2 or more different components.