Writing Effective CERs: Claim, Evidence, Reasoning

What does CER stand for?

• Claim, Evidence, Reasoning

• Claim, Example, Result

• Conclusion, Evidence, Reasoning

• Claim, Evidence, Result

Tags

NGSS.HS-LS2-3

NGSS.HS-LS2-6

Which of the following best describes a 'Claim' in CER?

• A detailed explanation of the experiment

• A one-sentence answer to the guiding question

• A list of all the materials used

• A summary of the entire experiment

Tags

NGSS.MS-PS3-5

What should evidence in a CER include?

• Only data collected from online sources

• A summary of the experiment

• Sufficient and appropriate data supporting the claim

• Any data, regardless of relevance

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-4

What is the role of 'Reasoning' in CER?

• To list all the steps of the experiment

• To explain why the evidence supports the claim using scientific principles

• To provide a conclusion

• To describe the materials used

Tags

NGSS.MS-LS1-3

NGSS.MS-PS3-5

What was the purpose of the magnesium experiment?

• To determine if magnesium is malleable

• To observe the color change in magnesium

• To find out if magnesium is flammable

• To measure the temperature of the flame

What happened when magnesium was placed in a hotter flame?

• It turned into a liquid

• It ignited and produced a bright white light

• It melted without any reaction

• It remained unchanged

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is the chemical property of magnesium that allows it to burn at high temperatures?

• Flammability

• Malleability

• Conductivity

• Density

Why was the first CER example considered incorrect?

• It included irrelevant data

• It used too many scientific terms

• It was too long

• It did not provide sufficient evidence and reasoning

Tags

NGSS.MS-LS4-4

What was the correct claim in the well-written CER example?

• Magnesium is not flammable

• Magnesium is flammable

• Magnesium does not react with oxygen

• Magnesium burns at low temperatures

What is the key to improving CER writing skills?

• Practicing regularly

• Reading more scientific papers

• Using complex vocabulary

• Memorizing scientific principles

Tags

NGSS.HS-LS2-6

NGSS.HS-LS3-2

NGSS.HS-LS4-2