Science Exam on environment

Our braves will face next Thursday an exam on environment.
We have worked on it for several days but, please, find it herewith to practice about the terms: water, soil and air as essential elements and water can be found in three states: solid, liquid and gas.
Good luck!

Green for wind; blue for water

Exam Type A

Exam Type B

ONLY exercise 2

ONLY exercise 2 too