Paddling a duck foot in water and other small experiments led to Darwin’s big theory of evolution. Plus, how our smartphones are robbing us of an undervalued cognitive resource–and what to do about it.
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These DIY experiments will keep your kitchen chemists and backyard explorers busy throughout the summer vacation.
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Paddling a duck foot in water and other small experiments led to Darwin’s big theory of evolution.
In this activity, students will conduct a series of hands-on experiments that will demonstrate how the working of these veins, known as capillary action, enables water to travel throughout the length of a plant. Students will learn how the forces of water cohesion and adhesion contribute to the process of capillary action.