Notes on Scientific Investigation Method

Scientific Investigation Method

  • Introduction to Scientific Investigation Method

    • Understanding the basic process of conducting scientific research is crucial.
    • Steps must be followed systematically to ensure accurate results.

  • Steps of Scientific Investigation

    1. Start with a Question: Identify the problem or question to investigate.
    2. Conduct Background Research: Gather existing information relevant to the question.
    3. Develop an Aim: Clearly outline what you aim to investigate or achieve in your experiment.
    4. Write a Method: Create a detailed, step-by-step outline of how to conduct the experiment.
    5. Carry Out the Experiment: Execute the experiment following the written method.
    6. Data Collection: Collect primary data during the experiment.
    7. Data Analysis: Analyze the collected data to draw conclusions.
    8. Report Findings: Write a scientific report detailing your methods, data, and conclusions.

  • Writing a Method

    • The method should be written step by step in a logical order.
    • Each step should clearly indicate what to do next, ensuring clarity for anyone following it.
    • Importance of Repetition: Specify how many times measurements will be repeated to ensure accuracy.

  • Guidelines for Writing a Method

    • Read the Assessment Task Carefully: Understanding the task is vital to avoid errors and missteps.
    • Develop a Step-by-Step Plan: Outline the methodology clearly based on the task requirements.
    • Logical Order: Steps should progress logically from one to the next.
    • Pretrials: Conduct initial trials to gain experience and identify suitable ranges for the independent variable.

  • Understanding Variables

    • Identification of Variables: Determining dependent, independent, and controlled variables is essential for a valid experiment.
    • Proper Control: Identify and control all variables that may affect the results to minimize errors.

  • Checklist for a Good Method

    1. Numbered Steps: Each step should be listed numerically and be easy to follow.
    2. Range of Independent Variables: Clearly state the range and intervals for the independent variable.
    3. Measurement Description: Explain how the dependent variable will be measured, including the equipment used.
    4. Error Minimization: Describe actions taken to reduce errors, including addressing parallax errors or zero errors.
    5. Diagram Inclusion: If applicable, include a relevant diagram to illustrate the procedure (if not provided).
    6. Repetition of Trials: State how many times the experiment will be repeated for accuracy.

  • Example Task: Establishing the relationship between mass and weight

    • Equipment List: 500 gram slotted masses, retort stand with clamps, spring balance.

  • Activity:

    • Write a complete method for the given task based on the provided guidelines.
    • Compare your written method to the sample provided in the follow-up segment for self-assessment.

  • Final Note: Completing your method accurately and thoroughly is crucial to the validity of your scientific investigation and contributes to the overall quality of your scientific report.

  • Follow-Up Activity: Log into Education Perfect for additional practice with Smart Lesson on methods.