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The Scoop on Habitat
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Some aquatic organisms live in open water, while some live in soil at the bottom of a body of water.
What Molecules Make the Holes in Bread?
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In this activity, learners will discover why there are holes in bread.
We all Scream for Ice Cream
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In this activity, learners observe how salinity affects the freezing point of water by making and enjoying ice cream.
Laser Projection Microscope
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In this activity, learners use a laser pointer to project a microscopic image of a liquid sample suspended from the tip of a syringe.
Breaking the Tension: Surface Tension 1
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Learners explore how the attractive forces between water molecules create surface tension and allow certain objects to float on the surface of water.
What-a-cycle
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In this activity, learners act as water molecules and travel through parts of the water cycle to discover that it is more complex than just water moving from the ground to the atmosphere.
Super Soaker
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In this activity (page 1 of the PDF under SciGirls Activity: Bogs), learners will test cups full of potting soil, sand, and sphagnum moss to see which earth material is able to soak up the most water.