GED Science Preparation Course 2026

This course is for adults in the United States who are getting ready for the GED® Science test. It covers the test format, the science practices (experiments, data and evidence), life science, physical science, and Earth and space science, using short scenarios and data tables like those on the test. Study each lesson, try its topic quiz, then take the timed 40-question final assessment. Score 80% or more to get a certificate of completion.

  • Formation
  • États-Unis
  • 100 questions
  • Vérifié le 13 octobre 2026
  • Vérifié (faits) le 13 octobre 2026

En bref

Ce cours gratuit comprend environ 360 minutes de leçons, 6 quiz thématiques sans limite de temps (100 questions au total) et une évaluation finale chronométrée de 40 questions tirées au hasard. Obtenez 80 % ou plus à l’évaluation finale pour télécharger une attestation de réussite (privée, non accréditée). Vérifié à partir des sources officielles le 13 octobre 2026.

Commencez par les leçonsGED Science Preparation Course Lessons : environ 360 minutes de lecture. Chaque question du test est traitée dans les leçons.

Ce que vous allez apprendre

  • Describe the format, timing, calculator rules and scoring of the GED Science test
  • Identify hypotheses, variables and controls, and judge how well an experiment is designed
  • Read tables and graphs, make predictions, and calculate the mean, median, range and probability
  • Explain body systems, homeostasis, nutrition, disease, cells and heredity, including Punnett squares
  • Trace energy through ecosystems and explain natural selection
  • Calculate speed, acceleration, momentum, force, work, power and density, and balance simple equations
  • Explain Earth's cycles, plate tectonics, natural hazards, climate, and the Sun, Moon and stars

Obtenez 80 % ou plus pour télécharger votre certificat.

Votre plan d’étude

Lisez chaque leçon, faites son quiz thématique (sans limite de temps, avec explications), puis l’évaluation finale chronométrée. Un nouveau mélange de questions est tiré à chaque fois. Votre progression est enregistrée dans ce navigateur.

  1. Lire les leçons6 leçons, environ 360 min
  2. Quiz thématique 1 : The GED Science test and how to approach it16 questions
  3. Quiz thématique 2 : Science practices: experiments, data and evidence16 questions
  4. Quiz thématique 3 : Life science: the human body, health and cells17 questions
  5. Quiz thématique 4 : Life science: ecosystems, heredity and evolution16 questions
  6. Quiz thématique 5 : Physical science: energy, motion and matter18 questions
  7. Quiz thématique 6 : Earth and space science17 questions
  8. Examen final40 questions, 40 min · Obtenez 80 % ou plus

Quiz thématique 1 : The GED Science test and how to approach it

  1. Question 1 sur 16

    How long is the GED® Science test?
    Voir la réponse

    Réponse: D. 90 minutes

    The GED Science test is 90 minutes long and is taken in one section.

  2. Question 2 sur 16

    How are breaks handled during the GED Science test?
    Voir la réponse

    Réponse: D. There are no breaks; it is one 90-minute section

    The Science test is one 90-minute section with no breaks, so plan your time and needs before you start.

  3. Question 3 sur 16

    Can you use a calculator on the GED Science test?
    Voir la réponse

    Réponse: A. Yes, with a calculator reference sheet

    A calculator is allowed on the Science test, and a calculator reference sheet is provided.

  4. Question 4 sur 16

    Do you need to memorize science formulas for the GED Science test?
    Voir la réponse

    Réponse: C. No, the question gives you the information you need

    The official Science page says you do not need to memorize formulas because the needed information is provided.

  5. Question 5 sur 16

    What is the lowest passing score on the GED Science test?
    Voir la réponse

    Réponse: A. 145

    GED subjects are scored from 100 to 200, and 145 is the passing score.

  6. Question 6 sur 16

    What is the score range for each GED subject test?
    Voir la réponse

    Réponse: A. 100 to 200

    Each GED subject, including Science, is scored on a scale from 100 to 200, and 145 is the passing score.

  7. Question 7 sur 16

    Lena scores 168 on GED Science. Which score level is this?
    Voir la réponse

    Réponse: C. College Ready

    Scores from 165 to 174 are at the College Ready level. Passing starts at 145 and College Ready + Credit starts at 175.

  8. Question 8 sur 16

    What might a score of 175–200 on a GED subject qualify you for?
    Voir la réponse

    Réponse: B. Up to 10 college credit hours

    175–200 is the College Ready + Credit level, which may qualify you for up to 10 college credit hours.

  9. Question 9 sur 16

    What do you need to earn your high school equivalency through the GED test?
    Voir la réponse

    Réponse: A. 145 or more on each of the four subjects

    You must score at least 145 on each of the four subjects; a high score in one does not make up for a low score in another.

  10. Question 10 sur 16

    About what share of the GED Science test is Earth and space science?
    Voir la réponse

    Réponse: D. About 20%

    The test is about 40% life science, 40% physical science and 20% Earth and space science.

  11. Question 11 sur 16

    Which pair names the two focusing themes of the GED Science test?
    Voir la réponse

    Réponse: D. Human Health and Living Systems; Energy and Related Systems

    All Science test content connects to two themes: Human Health and Living Systems, and Energy and Related Systems.

  12. Question 12 sur 16

    On a hot spot (select an area) question, what do you do?
    Voir la réponse

    Réponse: B. Click part of a picture, graph or text

    Hot spot questions ask you to click an area of a picture, graph or block of text.

  13. Question 13 sur 16

    About half of GED Science questions come in scenarios. What is a scenario?
    Voir la réponse

    Réponse: D. A text, graph or table followed by two or three questions

    About 50% of items are in scenarios where two or three questions use the same stimulus; the rest stand alone.

  14. Question 14 sur 16

    A question asks you to name the independent and dependent variables in a study. Which science practice is this?
    Voir la réponse

    Réponse: C. Investigation design

    Identifying variables, hypotheses and sources of error is part of the investigation design practice.

  15. Question 15 sur 16

    An answer option is a true science fact, but the passage gives no evidence for it. What should you do?
    Voir la réponse

    Réponse: A. Choose the option the passage supports

    On the test, the right answer is the one supported by the information given, not just any true statement.

  16. Question 16 sur 16

    You see a graph in a question. What should you read first?
    Voir la réponse

    Réponse: A. The title, the axis labels and the units

    The title, labels and units tell you what the graph measures, so you can find the right evidence.

À savoir avant l’examen

  • The GED Science test is 90 minutes long, in one section with no breaks.
  • A calculator is allowed on the Science test, and a calculator reference sheet is provided.
  • You do not need to memorize formulas; the information you need to answer each question is provided.
  • The Science test is scored from 100 to 200, and 145 or higher is a passing score.
  • You need 145 or higher on all four GED subjects to earn your high school equivalency. A score of 165–174 is College Ready; 175–200 is College Ready + Credit, which may qualify you for up to 10 college credit hours.
  • About 40% of the test is life science, 40% physical science and 20% Earth and space science.
  • All content connects to two focusing themes: Human Health and Living Systems, and Energy and Related Systems.
  • About half of the questions are in scenarios, where two or three questions share one text, graph, table or diagram.

Questions fréquentes

Is this the official GED Science test?

No. This is an independent practice course. It is not run by GED Testing Service, and your scores here are not GED scores.

What does the certificate from this course show?

The certificate of completion shows that you finished this practice course and scored at least 80% on its final assessment. It is not a GED credential, not a high school equivalency and not an official score, so schools and employers will not accept it in place of the GED.

How long is the GED Science test?

It is 90 minutes long, in one section with no breaks.

What score do I need to pass GED Science?

You need 145 or higher on a scale of 100 to 200. To earn your high school equivalency, you need 145 or higher on all four GED subjects.

Do I need to memorize science formulas?

No. The official Science page says you do not need to memorize formulas; the information you need is provided. A calculator is allowed, and a calculator reference sheet is provided.

How do I sign up for the GED test?

Create a free account on ged.com, then log in to schedule your test. You can take the four subjects together or one at a time. If you need an accommodation, request it before you schedule.

L’attestation est-elle accréditée ou reconnue officiellement ?

Non. C’est une attestation de réussite privée, uniquement pour vos connaissances. Elle n’est reconnue, accréditée ni approuvée par aucun gouvernement, organisme de délivrance des permis, autorité de réglementation ou établissement d’enseignement, et elle ne remplace aucun permis, aucune certification ni aucune formation exigés par la loi.

Sources

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