Science Can Be Revised
Scientific knowledge is provisional — it is the best current explanation based on available evidence, and it can and should be revised when better evidence arrives
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Use evidence, not confidence or authority alone, to decide when to revise an explanation and when to investigate further.
Use evidence, not confidence or authority alone, to decide when to revise an explanation and when to investigate further.
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Check understanding
- Give an example of a scientific idea that changed when new evidence was found — e.g. people once thought the Sun orbited the Earth
- Explain that scientists update their ideas when experiments give unexpected results, and that this is a strength not a weakness
- Describe why it is important to keep testing ideas rather than just accepting them because an expert said so
“Does your child understand that scientific facts can be revised as new discoveries are made — and that this is science working properly, not a sign that scientists were wrong?”
Curriculum record
- Type
- Meta
- Subject
- Science
- Domain
- Scientific Inquiry
- Age range
- Ages 9–11