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VCE Sciences Flashcards

6 cards from real VCE practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 6 VCE Sciences flashcards as text

  1. What is the purpose of a 'control variable' in a VCE Science investigation?

    Answer: To keep certain factors constant so the effect of the independent variable can be measured

    Control variables are kept constant throughout an experiment to ensure that any observed change is due to the independent variable only.

  2. In VCE Biology Unit 4, which process introduces new allele combinations through chromosomal exchange during meiosis?

    Answer: Crossing over (recombination)

    Crossing over occurs during meiosis when homologous chromosomes exchange segments, creating new combinations of alleles.

  3. In VCE Chemistry, what is an 'activation energy'?

    Answer: The minimum energy required for a chemical reaction to occur

    Activation energy is the minimum energy that colliding particles must possess for a reaction to occur and products to form.

  4. In VCE Physics, electromagnetic waves differ from mechanical waves because they can travel through which medium?

    Answer: A vacuum

    Electromagnetic waves, including light and radio waves, can travel through a vacuum because they do not require a medium.

  5. Which VCE Biology term describes the process by which populations change over successive generations due to natural selection?

    Answer: Evolution

    Evolution is the change in the heritable characteristics of populations over successive generations, driven by natural selection and other mechanisms.

  6. In VCE Chemistry, what is the oxidation state of oxygen in most compounds?

    Answer: -2

    Oxygen typically has an oxidation state of -2 in most compounds, reflecting its strong tendency to gain electrons.

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Sources & references

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  1. vcaa.vic.edu.au — Fees, registration deadline, score release, time limit, test delivery, eligibility, retake policy, passing score, test dates, exam format · verified Oct 2026