Evaluation of Models - ACT Science
Card 1 of 60
What does it mean to evaluate a model?
What does it mean to evaluate a model?
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To decide whether data supports or contradicts a scientific explanation or representation.
To decide whether data supports or contradicts a scientific explanation or representation.
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What is a scientific model?
What is a scientific model?
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A simplified explanation or diagram that represents how something works or behaves.
A simplified explanation or diagram that represents how something works or behaves.
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What is the purpose of a model?
What is the purpose of a model?
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To help predict outcomes and explain natural phenomena.
To help predict outcomes and explain natural phenomena.
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What is a hypothesis?
What is a hypothesis?
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A testable prediction about how variables are related.
A testable prediction about how variables are related.
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What is a scientific theory?
What is a scientific theory?
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A well-tested explanation supported by many observations and experiments.
A well-tested explanation supported by many observations and experiments.
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What is a scientific law?
What is a scientific law?
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A rule that describes a consistent relationship in nature, often shown with a formula
A rule that describes a consistent relationship in nature, often shown with a formula
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What is a conclusion?
What is a conclusion?
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A statement that summarizes the results and states whether the hypothesis was supported.
A statement that summarizes the results and states whether the hypothesis was supported.
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What is an inference?
What is an inference?
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A logical conclusion drawn from data or observations.
A logical conclusion drawn from data or observations.
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What is reasoning in science?
What is reasoning in science?
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The process of connecting evidence to a claim with logical explanation.
The process of connecting evidence to a claim with logical explanation.
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What is evidence?
What is evidence?
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Facts or data that support or refute a claim.
Facts or data that support or refute a claim.
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What is a claim?
What is a claim?
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A statement or conclusion that answers a scientific question.
A statement or conclusion that answers a scientific question.
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What is an assumption?
What is an assumption?
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Something accepted as true without proof in order to make reasoning possible.
Something accepted as true without proof in order to make reasoning possible.
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Why do scientists create models?
Why do scientists create models?
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To explain observations and make predictions about systems that are difficult to test directly.
To explain observations and make predictions about systems that are difficult to test directly.
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How are models tested?
How are models tested?
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By comparing model predictions to experimental data.
By comparing model predictions to experimental data.
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What does it mean if data supports a model?
What does it mean if data supports a model?
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The results match the model’s predictions.
The results match the model’s predictions.
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What does it mean if data contradicts a model?
What does it mean if data contradicts a model?
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The results do not match the predictions; the model may need revision.
The results do not match the predictions; the model may need revision.
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What should scientists do when data does not support a model?
What should scientists do when data does not support a model?
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Revise or replace the model to fit the evidence.
Revise or replace the model to fit the evidence.
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What is bias?
What is bias?
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An unfair influence that can distort results or interpretation.
An unfair influence that can distort results or interpretation.
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What is peer review?
What is peer review?
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When other scientists evaluate an experiment or model before it is published.
When other scientists evaluate an experiment or model before it is published.
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What is reproducibility?
What is reproducibility?
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The ability for others to repeat an experiment and get similar results.
The ability for others to repeat an experiment and get similar results.
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