Something that is hard but likely to crack easily is called:

🧠 Explanation:

Something hard but likely to crack is brittle, like glass. For English students, this highlights vocabulary, making it a key topic for studying linguistic clarity, communication, and material science. Words describe properties. Understanding this improves writing precision. It’s essential for mastering vocabulary in communication. Studying brittle offers insights into how language describes materials, crucial for English, material science, and communication.