GED® Science: Full-Length Practice Exam (Level 4 - Mastery) › 2. Synthesis, Calculation, and Evidence
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2. Synthesis, Calculation, and Evidence

GED® Science: Full-Length Practice Exam (Level 4 - Mastery) · preview lesson

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Mastery science combines fields and demands precise reasoning.

  • Conservation laws. Energy and matter are conserved; trace where they go (potential to kinetic, reactants to products).
  • Inheritance math. Use Punnett squares and ratios to predict offspring outcomes.
  • Circuits and forces. Apply V = IR and Newton's laws to predict behavior.
  • Evidence to conclusion. A claim is only as strong as its control group, sample size, and the match between data and conclusion.
Photosynthesis Rate vs. Light Intensity O₂ produced (rate) Light intensity levels off (another factor limits) more light → faster
A rate often rises with one factor, then plateaus when a different factor becomes limiting.
Quick Check

If a graph of photosynthesis rate rises with light and then levels off, what is most likely happening at the plateau?

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