GED Science study materials
GED Science study resources

GED Science cheat sheet

GED Science · Keep the key ideas within reach.

Quick reference

Science

  • The independent variable is changed by the researcher; the dependent variable is measured.

  • A control group provides a baseline for comparison.

  • Repeat trials and larger samples increase confidence in results.

  • Correlation does not establish causation.

  • Check graph axes, units, and scale before answering.

  • Science questions emphasize evidence and experimental reasoning over memorized facts.