Claims + Evidence + Reasoning

= Explanation

CER Graphic

9/8/2014 2

Claim: My Father is an Alien

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Claim

A claim answers the question or problem. It states what you (think) you know.• My dad is an alien

• Air is matter

• The velocity is constant

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Evidence

Evidence states how you know your claim. Evidence comes from (Qualitative, Quantitative) observations.

• He has a spaceship

• An inflated ball weighs more than a “flat” ball.

• It covers the same distance in the same time.

5

Reasoning

Explain how your evidence supports your claim.

• Aliens fly spaceships

• Air has weight (mass), a property of matter.

• Objects traveling the same speed cover the same distance in the same time.

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Claim Evidence Reasoning

Claim: My Father is an Alien

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CER = Explanation

Observation

Claim

Evidence #1 Evidence #2 Evidence #3

Reasoning #1 Reasoning #2 Reasoning #3

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• He speaks a weird language

• He drinks green stuff

• He says he’s from Albuquerque

• Just look at him…..

• He has a space ship.

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Evidence For Alien

Are any of the liquids thesame substance?

CER = Explanation

Observation

Claim

Evidence #1 Evidence #2 Evidence #3

Reasoning #1 Reasoning #2 Reasoning #3

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Curiosity

Write a Scientific Explanation that states why we sent Curiosity to Mars.

Observation (What did you observe?)

Claim (What does it mean?)

Evidence #1 (from your data) Evidence #2 (from your data) Evidence #3 (from your data)

Reasoning #1 (Connect your evidence to your claim) Reasoning #2 (Connect your evidence to your claim) Reasoning #3 (Connect your evidence to your claim)

• Observation: What you notice

• Claim: What it means

• Evidence: 3 from data table.

• Reasoning: Why evidence shows supports your claim.