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Overview:
How does science work? This animated video introduces key ideas using the story of the how science uncovered the link between the dinosaur extinction and a massive asteroid impact.Author/Source:
BrainPOP Grade:
6-8 Discipline:
Life Science, Nature and Process of Science, Earth science Time:
10 minutes Teaching tips:
This video could be used to supplement with a more elaborate lesson using the Walter Alvarez story. Concepts:
Correspondence to the Next Generation Science Standards is indicated in parentheses after each relevant concept. See our conceptual framework for details. - Scientists strive to test their ideas with evidence from the natural world; a hallmark of science is exposing ideas to testing. (P3, P4, P6, P7, NOS2)
- Scientific knowledge is open to question and revision as new ideas surface and new evidence is discovered. (P6, NOS3)
- The process of science involves observation, exploration, testing, communication, and application.
- Scientists test their ideas by predicting what they would expect to observe if their idea were true and then seeing if that prediction is correct. (P4, P6)
- Scientists can test ideas about events and processes long past, very distant, and not directly observable.
- Scientists test their ideas using multiple lines of evidence.
- Accepted scientific theories are not tenuous; they must survive rigorous testing and be supported by multiple lines of evidence to be accepted. (P6, NOS4)
- Scientists check each other's work, often through peer review. (P7)
Teacher background:
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