CURRICULUM

Climate Systems: Four Difficulties, 4000 Levels

Climate Systems has four difficulties with 1000 levels each and ten questions per level; think mechanism before term. Climate levels ask for mechanisms such as the greenhouse effect and carbon cycle; identify the process before the term.

气候系统基础闯关Climate Basics1000 关气候系统进阶闯关Climate Intermediate1000 关气候系统高阶闯关Climate Advanced1000 关气候系统挑战闯关Climate Challenge1000 关

How it works

  1. Start at the basic difficulty.
  2. Ten questions per level; clear one to unlock the next.
  3. 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.