There are a number of crossword puzzles on the internet that you can use to learn new vocabulary and test your knowledge.
The BBC has a crossword puzzle for English language learners. Be warned, however, that it is a bit difficult!
Another one using VOA special English words. Some include picture hints, also.
Or - our favorite - check out the list of crossword puzzles at this web site. This one includes puzzles for all levels, including Beginners!
Keep a journal of the new words you learn. Practice using one new word a day.