START THE EXERCISE

Do you remember these words?
- This exercise is about to find out if you remember the words bellow.
- Click on "I REMEMBER", if you do, and on "I´VE FORTOTTEN", if you don´t.
- To see the solution, just click on "SEE".
- If you´ve forgotten 5 words, you will lose the game.
CLICK HERE TO START THE EXERCISE
Vocabulary to go over:

the granite : der Granit
the marble : der Marmor
the mercury : das Quecksilber
the cloth : der Stoff
the gas : das Gas
the cardboard : der Karton
the rubber : der Gummi
the cotton : die Baumwolle
the linen : das Leinen
the polyurethane : das Polyurethan
the air : die Luft
the aluminium : das Aluminium
the leather : das Leder
the silk : die Seide
the skin : die Haut