Making a Scientific ClaimClaim, evidence, reasoning — the structure every lab conclusion needs.9th GradeA scientific conclusion is not a summary of what you did. It is an argument.1CLAIMA direct answer to the investigation question.2EVIDENCEThe specific data that supports it. Numbers, with units.3REASONINGThe scientific principle linking the evidence to the claim.4LIMITATIONSWhat could have affected the result, and what you would change.WORKEDClaim: light increases growth rate.Evidence: 6.2 cm in light vs 2.1 cm in shade over 14 days.Reasoning: light drives photosynthesis, which produces glucose for growth.'The experiment worked' is not a conclusion. Answer the question youset out to answer.Making a Scientific Claimlearnposters.com
Making a Scientific Claim — printable science wall chart from LearnPosters. Free vector PDF, US Letter and A4.

Making a Scientific Claim, step by step

A scientific conclusion is not a summary of what you did. It is an argument.

  1. CLAIMA direct answer to the investigation question.
  2. EVIDENCEThe specific data that supports it. Numbers, with units.
  3. REASONINGThe scientific principle linking the evidence to the claim.
  4. LIMITATIONSWhat could have affected the result, and what you would change.

worked

  • Claim: light increases growth rate.
  • Evidence: 6.2 cm in light vs 2.1 cm in shade over 14 days.
  • Reasoning: light drives photosynthesis, which produces glucose for growth.

'The experiment worked' is not a conclusion. Answer the question you set out to answer.

Questions about the Making a Scientific Claim poster

What’s on the Making a Scientific Claim poster?
4 numbered steps, with a full worked run-through. A scientific conclusion is not a summary of what you did. It is an argument. CLAIM — A direct answer to the investigation question.; EVIDENCE — The specific data that supports it. Numbers, with units.; REASONING — The scientific principle linking the evidence to the claim.; LIMITATIONS — What could have affected the result, and what you would change.. 'The experiment worked' is not a conclusion. Answer the question you set out to answer.
Who is the Making a Scientific Claim poster for?
Making a Scientific Claim is filed under 9th Grade (ages 14–15), so it matches what that year asks a child to remember. It is equally useful to an older student revisiting science, and to the parent or teacher answering the question at the kitchen table.
When should you use the Making a Scientific Claim poster?
Reasoning is the step people skip. It connects the data to the claim explicitly. A wall chart earns its place by being glanceable from where the work is happening, so Making a Scientific Claim belongs on the wall where that science work actually happens, within glancing distance, rather than filed away.
What other posters go with Making a Scientific Claim?
The Carbon Cycle, Cell Structure & Function and Cell Theory sit alongside Making a Scientific Claim in the 9th Grade set. Printed together they make a wall rather than a single sheet, which is how a reference set actually gets used.The Carbon CycleCell Structure & FunctionCell Theory
Is the Making a Scientific Claim poster free to download and print?
Yes. Making a Scientific Claim downloads as a free PDF with no account, no email and no watermark, like everything else in the 9th Grade set. Print as many copies as you like for a home, a classroom, a library or a tutoring group; reselling the file is the only thing the licence rules out.Read the licence
What size does the Making a Scientific Claim poster print at?
Making a Scientific Claim is a vector PDF laid out for US Letter, and prints on A4 with Fit to page — the same file, no separate download. Because every mark on it is drawn rather than photographed, it stays sharp enlarged to A3, A2 or A1 at a copy shop. Colour carries emphasis only, so a greyscale print of Making a Scientific Claim loses nothing.Printing guide

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