GED Test Preparation
You don't need to memorize the periodic table or know every bone in the body. The GED Science test asks you to think through problems — read about an experiment, look at data, and figure out what it means. Ari teaches you that skill through conversation. No textbooks. No jargon. Just real understanding, at your pace.
Start Studying — Free See How Ari Works
Don't understand something? Ask again. Ari rephrases, gives a different example, tries a new angle — as many times as you need. No judgment.
Already understand how food chains work? Ari moves on. Struggle with chemical reactions? Ari stays there until it clicks.
Why does ice float? Why do you sweat? How do vaccines work? Ari teaches science through things you already experience every day.
Study on break, on the bus, whenever you have 15 minutes. No laptop required. Just your phone and an internet connection.
Ari is an AI tutor that adapts to how you respond — here's what it does across sessions.
Ari adjusts based on your responses. After a few sessions, it shifts its approach:
After each session, the system updates a profile based on how you interact:
Ari can suggest what to focus on — but these are AI-generated suggestions, not guarantees:
Ari is designed around learning science principles — but it's still an AI and can make mistakes.
How Ari Works →Ari is an AI language model. It works well for studying — but it has real limitations.
"Explain that differently" or "Give me a real-world example."
Ari can rephrase, use analogies, or break things into steps. If one explanation doesn't click, ask for another angle.
"Quiz me on this topic" or "Give me a practice question."
Self-testing builds stronger memory than re-reading. Questions match what you've been studying.
"Show me a comparison table" or "List the steps."
Tables, step-by-step lists, and side-by-side comparisons can help organize complex material.
"I have 30 days and can study 5 hours a week — help me plan."
Ari can suggest a sequence based on what you've covered so far. Use it as a starting point, not gospel.
It's a language model — it generates plausible-sounding text based on patterns, just like ChatGPT, Gemini, and Claude. It can state incorrect information confidently. Always verify important facts from official sources.
Ari assumes you're here to learn. If you argue or try to trip it up, it won't push back well — it may agree with incorrect statements or get confused. It's a study aid, not a sparring partner.
Any progress or mastery shown is the result of the model's pattern matching — not a real measurement. It can never be fully accurate because it's predicting, not testing.
Ari is a free study tool. It doesn't administer exams, issue credentials, or measure your actual readiness. Exams and credentials come from independent organizations. Ari can help you study — that's it.
Three areas. You'll read passages and look at data — then answer questions about what you read.
The science of living things — your body, how traits get passed down, how species change, how ecosystems work.
Topics: Cells, Human Body, Genetics, Evolution, Ecosystems
How matter behaves, what happens in chemical reactions, how things move, and how energy works.
Topics: Matter, Chemical Reactions, Force & Motion, Waves
How Earth works — what's under the surface, why weather happens, what's out in space, and how humans affect the planet.
Topics: Earth's Structure, Weather, Universe, Human Impact
Each one is a conversation with Ari, built around real scenarios.
Cell structure, organelles and their functions, photosynthesis, cellular respiration, cell...
Major body systems, how they interact, the immune system, and how nutrition and lifestyle ...
DNA, genes, inheritance patterns, Punnett squares, mutations, and how traits are passed fr...
How species change over time through natural selection, evidence for evolution, and adapta...
Energy flow through ecosystems, food webs, symbiotic relationships, population dynamics, a...
States of matter, atomic structure, elements and compounds, physical vs chemical propertie...
Chemical equations, conservation of mass, types of reactions, acids and bases, and factors...
Newton's laws of motion, speed and acceleration, kinetic and potential energy, work, and c...
Wave properties, sound and light, the electromagnetic spectrum, and how wave technology is...
Earth's layers, plate tectonics, the rock cycle, earthquakes, volcanoes, and how Earth's s...
Atmosphere, weather patterns, climate zones, the water cycle, climate change, and severe w...
Solar system structure, Earth-moon-sun relationships, seasons, stars and galaxies, and gra...
Natural resources, pollution, conservation, renewable vs non-renewable energy, and environ...
It's a conversation, not a lecture. Here's a real example:
"A raisin sits in a glass of water for an hour. It swells up. Why?" — Ari starts with a real scenario to see what you already understand.
You say "the water goes in." Ari asks what MAKES water move in — and teaches you osmosis through what you already noticed, not a textbook definition.
New scenario: "Now you put that swollen raisin in salt water. What happens?" If you get it, you move on. If not, Ari explains differently.
We're a nonprofit, not an ad company. We will never monetize your information.
No spam emails. No newsletters. We'll never fill your inbox.
Your data is never sold, rented, or shared with third parties. Ever.
No Google Analytics. No ad cookies. No retargeting. We don't build profiles on you.
A single session cookie keeps you logged in. Disappears when you close the browser.
Want your data gone? One email and we wipe everything. No hoops.
13 topics. A coach that adapts to you. As much practice as you need. No cost, no catch.
Start Studying — FreeDisclaimer: GED® is a registered trademark of the American Council on Education, which is not affiliated with this website. AI Bridge Foundation provides a free, general self-study support tool. Responses are AI-generated and may be inaccurate or wrong. Any progress or mastery indicator is the AI model's own output based on pattern matching — not a measure of actual knowledge or readiness. We do not administer exams or issue any credential; all certifications referenced are provided by independent third parties. 100% free — no fees, no work contract, no consideration required.