What is the Nature of Science?
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Students distinguish between scientific and everyday meaning of key terms: theory, hypothesis, law, fact, law-and use in context. They recognize the variables that affect observation, data collection, and interpretation.
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The Effect of Natural Selection on Genes, Traits and Individuals
Rotating through five stations, evolutionary biologists explore the question of how changes in DNA facilitate the changes in a population over time. High-quality, colorful cards of animals, skeletons, skulls, and DNA sequences can all be...
9th - 12th Science CCSS: Designed
What Is The Coastline Paradox?
Measurements of Australia's coast line range from 12,500 km long to 25,700 km long. What causes the difference in these measurements? The video discusses the coastline paradox, fractals, and the importance of the size of a measuring stick.
2 mins 9th - 12th Science CCSS: Adaptable
New Review Chemistry: What Is a Metal? (Metallic Bonds)
Metals offer unique properties thanks to the structure of their valence electrons. The Socratica chemistry playlist includes this video explaining what a metal is and the properties of metals. It focuses on their structures, features,...
4 mins 9th - 12th Science CCSS: Adaptable
What is Natural Selection?
If you carefully observe populations with short life cycles, you can observe natural selection happening. The video explains what natural selection is, how scientists theorized it, and how science proves the concept. It highlights the...
9 mins 6th - 12th Science CCSS: Adaptable