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A1.11 · Communicate procedures, results, and conclusions clearly

Learn to communicate procedures, results, and conclusions clearly through clear examples and targeted practice.

Ontario Grade 11 Biology

Scientific Investigation Skills and Career Exploration

Procedures, results, and conclusions in Grade 11 biology

In SNC2D, you learned to ask questions, follow procedures, observe carefully, and use evidence to support an explanation. In biology, those skills matter only if other people can understand what you did and what you found. A clear communication has three linked parts: a procedure tells what was done, results report what was observed, and a conclusion explains what the results support. This lesson focuses on communicating those parts accurately. It does not ask you to collect specimens or carry out an investigation on your own.

What you will learn

Explain the purpose of a procedure, a result, and a conclusion.
Organize an investigation report so another person can follow the method and understand the evidence.
Separate what was observed from what the evidence may suggest.
Identify limits in a conclusion and communicate them clearly.

1. Start with the biology question

A question gives an investigation a focus. For example, a class might ask: “Do the leaves in two provided plant samples show the same visible pattern?” This is a question about observations, not a claim about why a pattern occurs. Keeping the question specific helps you decide what information belongs in the procedure and results.

Before writing, recall two ideas from earlier science learning. An observation is information recorded using the senses or an appropriate tool. An inference is an explanation suggested by observations. These are not interchangeable. “The samples have different visible patterns” reports an observation. “A particular condition caused the difference” is an explanation, and it needs supporting evidence.

A procedure is the ordered description of the actions used to answer the question. It should include enough detail for a reader to understand what was examined and how the observations were recorded. Results are the observations themselves. A conclusion answers the question using those results.

Keep the investigation question focused.
Report observations separately from explanations.
A conclusion must connect to the question and the results.

2. Make the procedure and results easy to follow

A clear procedure uses a sensible order. Name the materials or samples provided, describe the actions in sequence, and explain how observations were recorded. Use precise words such as “compare,” “record,” or “sort” when they match the action. Avoid vague directions such as “look at the samples carefully” unless you say what feature the reader should look for.

Results should describe what was actually observed. Use labels, a short written description, or a table when these make the pattern easier to see. A table needs clear headings so readers know what each entry describes. Do not add an explanation to a results statement. If no measurement was taken, do not make one up or imply that one was.

The following table shows how the parts differ. It is a planning model, not a report of real biological findings.

Put procedure actions in the order they happened.
Make clear what was observed and how it was recorded.
Use headings and labels that make results understandable.
Never replace missing observations with invented details.

3. Write conclusions that fit the evidence

A conclusion answers the investigation question. It points to the relevant result and explains what that result supports. A conclusion should not claim more than the investigation can show. For example, observing a difference between two samples does not, by itself, show what caused that difference.

A limitation is a feature of the investigation that restricts what can be concluded. The samples might be few, the observations might be difficult to distinguish, or the procedure might not address the cause of a pattern. Mention a limitation when it affects how strongly the evidence answers the question. Do not use a limitation as a reason to ignore the results.

Use careful language. “The observations suggest…” signals that evidence supports an interpretation without proving it in every situation. “The investigation found…” is appropriate for a result that was actually recorded. Clear wording helps readers distinguish the record from the explanation.

Answer the question directly.
Use a result as evidence for the conclusion.
State limits that matter to the claim.
Do not present an explanation as though it were directly observed.

4. Review, label, and share responsibly

Before sharing a report, check that a reader can tell what was done, what was observed, and what the observations support. Make sure that each result belongs to the investigation described in the procedure. Check that labels are readable and that any table or diagram has a clear title.

If you use information from a source, identify the source clearly so readers can tell which information came from it. Do not present another person’s words or findings as your own. In this lesson, the examples are practice situations, not evidence collected in a real investigation.

Clear communication is not the same as making a report sound certain. It means giving enough accurate detail for others to understand the work and judge whether the conclusion follows from the recorded evidence.

Check that procedure, results, and conclusion match.
Label visuals and identify sources of borrowed information.
Communicate uncertainty and limits honestly.

Three parts of a clear investigation report

Part	What it communicates	Question to ask
Procedure	What was done and how observations were recorded	Could a reader understand the actions?
Results	What was observed or recorded	Have I reported evidence without adding a cause?
Conclusion	What the results support and what they do not establish	Does my claim match the question and evidence?

Worked example

Example 1: Improve a vague procedure

A practice report says, “We looked at the plant samples and wrote down what we saw.” Explain what is unclear and revise the description without adding actions or results that were not provided.

Find the missing detail
The sentence does not say which visible feature was examined or how the notes were organized. A reader cannot tell what the class meant by “what we saw.”
Revise without guessing
Keep the known information and mark what the report must specify. Do not invent a feature, tool, or observation. The writer should replace the bracketed prompt with the feature actually used.
Check the result
This revision is more useful because it asks for a clear focus and a recording method while avoiding unsupported details.

Answer: “Examine the provided plant samples for [the visible feature used in the investigation]. Record the observations for each sample in a labelled table.” The bracketed wording must be replaced using the real procedure.

Check: The revision improves clarity but does not pretend to know what the students examined.

Worked example

Example 2: Separate results from an explanation

In a fictional practice scenario, a student records that two provided leaf samples have different visible patterns. The student writes, “The samples differ because they grew in different conditions.” Identify the result and the unsupported part of the statement.

Identify the observation
The recorded difference in visible patterns is the result in this practice scenario. It reports what the student says was observed.
Identify the inference
The statement about different growing conditions proposes a cause. The scenario gives no evidence about those conditions, so the cause cannot be reported as an established result.
Rewrite carefully
State the observation as a result. If the cause is mentioned, describe it as an idea that would need further evidence, not as something this observation proves.

Answer: Result: “The two provided samples showed different visible patterns.” A careful conclusion could say, “The observations show a difference between these samples. They do not establish what caused it.”

Check: The answer separates the observed pattern from an explanation and does not claim that the scenario is real data.

Worked example

Example 3: Match a conclusion to the investigation

A fictional class investigation compares the visible patterns in two provided samples. The only recorded result is that the patterns look different. A draft conclusion says, “This proves that all plants have different patterns.” Revise the conclusion and name one limitation.

Compare the claim with the evidence
The investigation compared two samples, so its result concerns those samples. It cannot support a statement about all plants.
Write a supported conclusion
Answer the question at the scale of the evidence. The result supports saying that these two samples differed in the recorded visible pattern.
Name a relevant limit
The small number of samples limits how broadly the result can be applied. This is a limitation of the investigation, not proof that the observation is wrong.

Answer: “The two provided samples showed different visible patterns.” A relevant limitation is that examining only two samples does not show whether the same pattern applies to plants more broadly.

Check: The revised conclusion stays within the evidence and identifies why a broader claim is not justified.

Common mistakes and how to avoid them

Mixing a cause into the results.

Correction: Report the observation first. Put a possible explanation in the conclusion and make clear whether evidence supports it.

Using a conclusion broader than the investigation.

Correction: Limit the conclusion to the samples and observations examined.

Leaving out how observations were recorded.

Correction: Describe the recording method clearly, without adding steps that did not happen.

Treating clear writing as certainty.

Correction: State what the evidence supports and name relevant limits.

Lesson summary

A procedure describes the actions used to answer a question.
Results report observations; they do not automatically explain causes.
A conclusion answers the question and uses results as evidence.
A limitation helps readers understand how far a conclusion can reach.
Clear communication is accurate, organized, and honest about what is unknown.

Check your understanding

Question 1

Which sentence is a result rather than an explanation?

The two provided samples showed different visible patterns.
Different growing conditions caused the patterns.
The samples changed because of their surroundings.
The result proves that every plant is different.

Show answer and explanation

The two provided samples showed different visible patterns.

This sentence reports an observed difference. The other options suggest a cause or make a claim beyond the stated evidence.

Question 2

A procedure says, “Observe the samples.” What would make it clearer?

State which feature was examined and how observations were recorded.
Add a likely cause to the procedure.
Write a conclusion before recording observations.
Describe results that were not actually observed.

Show answer and explanation

State which feature was examined and how observations were recorded.

A reader needs to know what was examined and how the observations were recorded. Adding a cause or invented result does not clarify the procedure.

Question 3

A class compares two samples. Which conclusion best fits a result showing different visible patterns?

These two samples showed different visible patterns.
All samples of this kind always have different patterns.
The pattern difference was definitely caused by one condition.
The observation proves what happens in every plant.

Show answer and explanation

These two samples showed different visible patterns.

The conclusion stays within the two samples described. The other options make broader or causal claims that the stated result cannot establish.

Key terms

Observation: Information recorded from what is noticed using the senses or an appropriate tool.
Inference: An explanation suggested by observations.
Procedure: An ordered description of the actions used in an investigation.
Results: The observations or records produced by an investigation.
Conclusion: A statement that answers the investigation question using the results.
Limitation: A feature of an investigation that restricts what its results can support.

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About this lesson and its review

Published by DoAssignment. This reviewed lesson follows Ontario Grade 11 Biology (SBI3U), expectation A1.11. It is a study resource, not an official curriculum publication.

Before publication, content is checked for structure, mathematical or chemical notation, calculations, course boundaries, and readability. Errors can still occur, so corrections are welcomed.

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