CURRICULUM

Ocean Science: Four Difficulties, 4000 Levels

Ocean Science has four difficulties with 1000 levels each and ten questions per level; check the environment before choice. Ocean levels ask for currents, tides or ecology; identify the physical process first.

海洋科学基础闯关Ocean Science Basics1000 关海洋科学进阶闯关Ocean Science Intermediate1000 关海洋科学高阶闯关Ocean Science Advanced1000 关海洋科学挑战闯关Ocean Science 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.