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Salt 'n Lighter
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In this activity, learners discover that as the salinity of water increases, the density increases as well. Learners prove this by attempting to float fresh eggs in saltwater and freshwater.
Chromatography
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In this activity, explore chromatography and the various colors that make up the ink in markers. Use this activity to investigate cohesion and adhesion.
Be a Plumber
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In this activity (located on page 6 of the PDF), learners explore the ways people access water in their homes.
Float My Boat
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In this activity, learners use tinfoil to build and test their own boats - which designs will float, and which will sink?
Gravity Fountains
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This activity (located on page 3 of the PDF under GPS: Glaciers Activity) is a full inquiry investigation into the forces of gravity and air pressure.
Foam Tower
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In this activity (page 1 of the PDF under SciGirls Activity: Water Slides), learners will whip up some suds with a cup of water and a tablespoon of dish soap until the bubbles are stiff enough to star
Design a Submarine
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Learners act as engineers and design mini submarines that move in the water like real submarines.
Marshmallow Models
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No glue is needed for learners of any age to become marshmallow architects or engineers.
Shrinking Cups
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This is a quick activity (on page 2 of the PDF under Gecko Feet Activity) about the forces of gravity and surface tension and how their behavior is influenced by size.
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.