Select fair comparisons in experiments
3 linked question families · 3 variants. Variants are not separate syllabus objectives.
What still needs work
- Multivariable factorial designs
GED Science · COVERAGE & GAPS
GED Science: Coverage Map & Learning Gaps
Original foundation practice for selected skills across three science domains.
A partial map, not a completion score.
The October 2020 educator guide describes life, physical, and Earth and space science. The objectives here are local practice targets.
Mapping describes the available practice, not your mastery or readiness for the exam. Reviewed 2026-11-05.
16Objectives in this map
16Have partial practice
0Have no mapped practice
Partial practice
Separate the intervention from competing causes
3 linked question families · 3 variants. Variants are not separate syllabus objectives.
What still needs work
- Formal causal inference
Read scales and compare changes
3 linked question families · 3 variants. Variants are not separate syllabus objectives.
What still needs work
- Logarithmic axes
Compare rates using time and units
3 linked question families · 3 variants. Variants are not separate syllabus objectives.
What still needs work
- Instantaneous rates
Match claims to evidence of suitable scope
3 linked question families · 3 variants. Variants are not separate syllabus objectives.
What still needs work
- Long multiple source passages
Use repeats and distinguish spread from bias
3 linked question families · 3 variants. Variants are not separate syllabus objectives.
What still needs work
- Formal error propagation
Trace indirect effects through a food web
3 linked question families · 3 variants. Variants are not separate syllabus objectives.
What still needs work
- Multi-step dynamic models
Explain a stabilizing feedback loop
3 linked question families · 3 variants. Variants are not separate syllabus objectives.
What still needs work
- Endocrine pathways in depth
Read a single-gene cross and interpret probability
3 linked question families · 3 variants. Variants are not separate syllabus objectives.
What still needs work
- Sex linkage and polygenic inheritance
Distinguish changes in population composition from changes in individuals
3 linked question families · 3 variants. Variants are not separate syllabus objectives.
What still needs work
- Genetic drift and phylogeny
Interpret changes of position and net force
3 linked question families · 3 variants. Variants are not separate syllabus objectives.
What still needs work
- Vector decomposition
Track energy transfers within a system
3 linked question families · 3 variants. Variants are not separate syllabus objectives.
What still needs work
- Formal thermodynamic cycles
Track mass in open and closed systems
3 linked question families · 3 variants. Variants are not separate syllabus objectives.
What still needs work
- Reaction balancing
Compare concentration across volumes
3 linked question families · 3 variants. Variants are not separate syllabus objectives.
What still needs work
- Molarity and equilibrium
Trace water pathways and effects of ground cover
3 linked question families · 3 variants. Variants are not separate syllabus objectives.
What still needs work
- Quantitative basin hydrology
Evaluate the axial tilt model using daylight evidence
3 linked question families · 3 variants. Variants are not separate syllabus objectives.
What still needs work
- Orbital dynamics
Use the map with care.
- Original foundation practice for selected skills across three science domains.
- Four-option questions with feedback. Use official materials for the full range of item formats and pacing.
- Practice percentages describe this question set. The material is pending educator review.