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.
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.
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.
- Lire les leçons6 leçons, environ 360 min
- Quiz thématique 1 : The GED Science test and how to approach it16 questions
- Quiz thématique 2 : Science practices: experiments, data and evidence16 questions
- Quiz thématique 3 : Life science: the human body, health and cells17 questions
- Quiz thématique 4 : Life science: ecosystems, heredity and evolution16 questions
- Quiz thématique 5 : Physical science: energy, motion and matter18 questions
- Quiz thématique 6 : Earth and space science17 questions
- Examen final40 questions, 40 min · Obtenez 80 % ou plus
Quiz thématique 1 : The GED Science test and how to approach it
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Question 1 sur 16
Voir la réponse
Réponse: D. 90 minutes
The GED Science test is 90 minutes long and is taken in one section.
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Question 2 sur 16
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.
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Question 3 sur 16
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.
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Question 4 sur 16
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.
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Question 5 sur 16
Voir la réponse
Réponse: A. 145
GED subjects are scored from 100 to 200, and 145 is the passing score.
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Question 6 sur 16
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.
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Question 7 sur 16
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.
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Question 8 sur 16
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.
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Question 9 sur 16
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.
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Question 10 sur 16
Voir la réponse
Réponse: D. About 20%
The test is about 40% life science, 40% physical science and 20% Earth and space science.
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Question 11 sur 16
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.
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Question 12 sur 16
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.
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Question 13 sur 16
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.
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Question 14 sur 16
Voir la réponse
Réponse: C. Investigation design
Identifying variables, hypotheses and sources of error is part of the investigation design practice.
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Question 15 sur 16
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.
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Question 16 sur 16
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.
Clavier : 1–4 pour répondre, Entrée pour la question suivante.
L’examen réel : 145 on a 100–200 scale
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
- GED Testing Service: Science test subject page
- GED Testing Service: GED scores
- GED Testing Service: Assessment Guide for Educators – Science (PDF)
- GED Testing Service blog: Science – what you need to know
- GED Testing Service blog: How to pass the GED Science test
- GED Testing Service: home page (sign up and schedule)
- New York State Education Department: Introduction to the GED testing program (PDF)
- GED Testing Service blog: Can you take the GED test online?