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FOOTSTEPS IN TIME
Students measure and correlate their foot lengths and body heights, then use this data to estimate height of Laetoli hominids. They use metric measurement and graphing to determine these heights.
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Construct an Equilateral Triangle (part 1)
Drawing circles isn't the only thing compasses are good for. In this first installment of a 36-part series, high schoolers learn how to draw equilateral triangles by investigating real-world situations, such as finding the location of a...
9th - 10th Math CCSS: Designed
Congruence, Proof, and Constructions
This amazingly extensive unit covers a wealth of geometric ground, ranging from constructions to angle properties, triangle theorems, rigid transformations, and fundamentals of formal proofs. Each of the almost-forty lessons is broken...
8th - 10th Math CCSS: Designed
The Creation of Chemistry - The Fundamental Laws
Imagine if scientists today were killed for their thoughts, ideas, and beliefs. And yet, Antoine Lavoisier was beheaded for just those things in 1794. Learn about this fascinating aspect of science along with the contributions of...
11 mins 8th - 12th Science CCSS: Adaptable