Changing Scientific Knowledge
Evaluate competing scientific explanations about dinosaurs by weighing fossil evidence — understanding that scientific knowledge changes as new fossils are discovered and new methods of analysis are developed
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Scientific knowledge can change when new evidence appears or better methods improve explanations. Change is a strength when claims are revised to fit evidence.
Create a Before / New evidence / Revised explanation case study about one change in paleontology.
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Check understanding
- Give an example of a scientific idea about dinosaurs that changed when new evidence was found
- Explain that different scientists may interpret the same fossil evidence differently
- State that the best scientific explanation is the one supported by the most evidence from multiple sources
“If your child read two different explanations for why dinosaurs went extinct, could they discuss what evidence supports each idea and why scientists sometimes change their minds?”
Curriculum record
- Type
- Meta
- Subject
- Science
- Domain
- Dinosaurs & Paleontology
- Age range
- Ages 9–11