GED Science · EXAM GUIDEReviewed 2026-11-05
Original foundation practice for selected skills across three science domains.

GED Science: Exam Guide & Official Sources

Review the US GED Science format, then work through a daily plan for selected science reasoning skills.

Standard time90 minutes including instructions and final review, with no scheduled break.
Test tools and formatsGED lists an on-screen calculator and calculator reference sheet. At a test center you may bring a TI-30XS. Official items also use formats beyond multiple choice.
Passing scoreGED reports a passing scaled score of 145 for each subject.
EXAM OVERVIEW

Choose the comparison before judging the result

Build a fair comparison, then test whether the result can rule out a competing explanation.

Choose the comparison before judging the result

32 suggested minutes

  • Read both linked lessons and try their transfer checks (16 min).
  • Answer the six linked questions and use the feedback (16 min).
  • Use the linked cards or application guide for optional review.

Completion: Explain one answer with its evidence and check that you attempted all six questions.

If you need another pass: Revisit the relevant worked example. Name the condition you missed before trying a new item.

EXAM OVERVIEW

Compare changes with the correct denominator

Use axis labels and interval boundaries to choose between a value, a change and a rate.

Compare changes with the correct denominator

32 suggested minutes

  • Read both linked lessons and try their transfer checks (16 min).
  • Answer the six linked questions and use the feedback (16 min).
  • Use the linked cards or application guide for optional review.

Completion: Explain one answer with its evidence and check that you attempted all six questions.

If you need another pass: Revisit the relevant worked example. Name the condition you missed before trying a new item.

EXAM OVERVIEW

Decide how much an observation supports

A conclusion needs a matching measurement and an account of what might shift it.

Decide how much an observation supports

32 suggested minutes

  • Read both linked lessons and try their transfer checks (16 min).
  • Answer the six linked questions and use the feedback (16 min).
  • Use the linked cards or application guide for optional review.

Completion: Explain one answer with its evidence and check that you attempted all six questions.

If you need another pass: Revisit the relevant worked example. Name the condition you missed before trying a new item.

EXAM OVERVIEW

Trace what changes through a system

Name what each arrow means and follow a change through one link at a time.

Trace what changes through a system

32 suggested minutes

  • Read both linked lessons and try their transfer checks (16 min).
  • Answer the six linked questions and use the feedback (16 min).
  • Use the linked cards or application guide for optional review.

Completion: Explain one answer with its evidence and check that you attempted all six questions.

If you need another pass: Revisit the relevant worked example. Name the condition you missed before trying a new item.

EXAM OVERVIEW

Separate offspring probability from population change

A cross describes possible offspring genotypes. Population data show how common a trait is over time.

Separate offspring probability from population change

32 suggested minutes

  • Read both linked lessons and try their transfer checks (16 min).
  • Answer the six linked questions and use the feedback (16 min).
  • Use the linked cards or application guide for optional review.

Completion: Explain one answer with its evidence and check that you attempted all six questions.

If you need another pass: Revisit the relevant worked example. Name the condition you missed before trying a new item.

EXAM OVERVIEW

Read motion and energy without mixing units

Use position, force and energy to answer different questions about the same system.

Read motion and energy without mixing units

32 suggested minutes

  • Read both linked lessons and try their transfer checks (16 min).
  • Answer the six linked questions and use the feedback (16 min).
  • Use the linked cards or application guide for optional review.

Completion: Explain one answer with its evidence and check that you attempted all six questions.

If you need another pass: Revisit the relevant worked example. Name the condition you missed before trying a new item.

EXAM OVERVIEW

Keep a mass balance when matter changes form

A boundary tells you which material to count. Concentration adds a denominator.

Keep a mass balance when matter changes form

32 suggested minutes

  • Read both linked lessons and try their transfer checks (16 min).
  • Answer the six linked questions and use the feedback (16 min).
  • Use the linked cards or application guide for optional review.

Completion: Explain one answer with its evidence and check that you attempted all six questions.

If you need another pass: Revisit the relevant worked example. Name the condition you missed before trying a new item.

EXAM OVERVIEW

Use matched comparisons in Earth and space science

Check which variables changed, which were shared and what your explanation predicts.

Use matched comparisons in Earth and space science

32 suggested minutes

  • Read both linked lessons and try their transfer checks (16 min).
  • Answer the six linked questions and use the feedback (16 min).
  • Use the linked cards or application guide for optional review.

Completion: Explain one answer with its evidence and check that you attempted all six questions.

If you need another pass: Revisit the relevant worked example. Name the condition you missed before trying a new item.

WHAT TO STUDY

The syllabus and your next lesson.

Linked lessons cover selected foundations. Use the official syllabus to plan any topics beyond this pilot.

PLAN AHEAD

Dates and scheduling

PLAN AHEAD

Fees and regional differences

US test fees

Select your jurisdiction and test mode on GED’s official rules page to see current pricing.

HOW TO REGISTER

Book with the exam provider.

  1. 01

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BEFORE TEST DAY

Make a final check.

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GO TO THE SOURCE

Official resources.

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.

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