The Golden Ratio
High schoolers examine ratios, including the Golden Ratio, a ratio of length to width that can be found in art, architecture, and nature. They examine different ratios to determine whether the Golden Ratio can be found in the human body.
9th - 12th Science 3 Views 2 Downloads
Similar Right Triangles and Trig Ratios
Is it possible to be the same yet different? Absolutely! The activity asks learners to explore the relationships between side ratios of triangles they have drawn. Because individuals all draw a triangle with the same angle measures, they...
9th - 11th Math CCSS: Designed
Sine and Cosine of Complementary Angles and Special Angles
Building trigonometric basics here will last a mathematical lifetime. Learners expand on the previous lesson in a 36-part series by examining relationships between the sine and cosine of complementary angles. They also review the ratios...
9th - 10th Math CCSS: Designed
Genes, Environment and Genetic Complexity: Aggression in Humans
The highlight of this lesson plan is a 53-minute investigative video, Can Science Stop Crime?" The question asked is whether or not aggressive behavior is caused by genetic factors. The answer has to do with genetic complexity, the...
9th - 12th Science CCSS: Designed
Reebops: A “Model” Organism for Teaching Genetic Concepts
In a sweet simulation, junior geneticists examine the chromosomes of a fictitious Reebop marshmallow animal, combine chromosomes to produce offspring, and then make a model of the resulting Reebop baby. Phenotypes include number of...
6th - 12th Science
The Making of the Fittest: Natural Selection and Adaptation
The pocket mouse can be light brown like the sands of the desert, or dark brown like the volcanic lava flows that are interspersed throughout New Mexico's Valley of Fire. It seems that predators have weeded out light colored mice in this...
10 mins 8th - Higher Ed Science CCSS: Designed