Materials Basics: Four Difficulties, 4000 Levels
Materials Basics has four difficulties with 1000 levels each and ten questions per level; check the use before choice. Basics levels focus on bonding, microstructure and properties. For each property, name the structure that produces it before the application.
材料基础闯关Materials Basics1000 关材料基础进阶闯关Materials Intermediate1000 关材料基础高阶闯关Materials Advanced1000 关材料基础挑战闯关Materials Challenge1000 关
How it works
- Start at the basic difficulty.
- Ten questions per level; clear one to unlock the next.
- Review at 1/3/7/14/30 days.
FAQ
Which difficulty?
Start at basic and move up when accuracy stays above 80%.
How many levels each?
1000.