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Key Concepts in KS3 Biology

May 29, 2025

Working Scientifically - KS3 Biology

Working Safely in the Lab

  • Importance of lab safety
  • Steps to ensure safety:
    • Spotting risks and hazards
    • Understanding hazard symbols
  • Reference: Working safely in the lab

Variables in Experiments

  • Importance of variables:
    • Control variables
    • Independent variables
    • Dependent variables
  • Reference: Variables

Writing a Hypothesis and Prediction

  • Definition of a hypothesis:
    • An idea about how something works, testable via experiments
  • Predictions:
    • Statements about expected outcomes if the hypothesis holds true
  • Reference: Writing a hypothesis and prediction

Planning an Experiment

  • Developing a method and evaluating its validity
  • Importance for drawing accurate conclusions
  • Reference: Planning an experiment

Maths Skills for Science

  • Use of scientific equations and formulae
  • Standard units facilitate global scientific collaboration
  • Reference: Maths skills for science

Drawing Scientific Apparatus

  • Importance of diagrams to illustrate apparatus setup
  • Techniques include filtration, evaporation, distillation
  • Reference: Drawing scientific apparatus

Observation and Measurement Skills

Types of Data

  • Types include continuous, discrete, categoric
  • Presentation methods depend on variable type and use
  • Reference: Types of data

Graphs and Charts

  • Different graphs and charts used to present results
  • Importance of correct drawing and labeling
  • Patterns in data help form conclusions
  • Reference: Graphs and charts

Conclude and Evaluate

  • Summarizing findings from investigations
  • Need for clear structure and scientific explanation
  • Reference: Conclude and evaluate

Bias in Science

  • Recognition of bias in scientific studies
  • Importance of peer review
  • Reference: Bias in science