Practice 9th grade Physics and Chemistry with real exercises —forces, electricity, energy, and chemical reactions— and let AI correct you instantly, step by step. Perfect for catching up or heading into 10th grade strong.
Start for free5-day trial · no card required · cancel anytime
Exercises from all course blocks, organized by topic so you can practice exactly what you need.
The AI reviews each of 3rd year of ESO's exercises in seconds and explains where the mistake is and how to solve it correctly.
Practice exactly the topic they struggled with, without wasting time on what they already master.
You know what they master and what they struggle with. Go into 3rd year of ESO's exam having truly practiced.
From the entire 3rd year of ESO syllabus.
Write your answer or upload a photo of it.
Instant step-by-step feedback.
Interaction (forces, motion, fluids, and electricity), energy (forms, harvesting, and electrical consumption), and change (chemical reactions and materials).
Yes. Practice topic by topic with instant feedback; ideal for making up a failed subject or reviewing over the summer.
No. You can try Refuerzo.ai for free for 5 days without entering any card and cancel whenever you want.
Create your account in one minute. No card required, no commitment.
Try Refuerzo.ai for freeAlready have an account? Log in