Aristo has an e-learning platform (sometimes called "Aristo e-Learning Centre"). If your school has purchased an e-book license:
The link might be outdated. Go to the main Aristo website and look for "Errata" or "Updated Resources." Sometimes the link in older prints is broken; the website will redirect you to the correct new link. aristo science 1a answer link
Having the answer link is useless without a revision strategy. Here are three actionable study plans using the answer key. Aristo has an e-learning platform (sometimes called "Aristo