Here is the link to the website that will help you to learn new words and check the ones you already know:
http://iteslj.org/v/r/
Here are some more themes
http://www.languageguide.org/russian/archive.jsp
Family
http://www.languageguide.org/im/family/ru/
Colors
http://www.languageguide.org/im/colors/ru/
Weather
http://www.languageguide.org/im/weather/ru
House
http://www.languageguide.org/im/home/outside/ru/
Profession
http://www.languageguide.org/im/jobs/ru
Numbers
http://www.languageguide.org/im/num/ru/
Time
http://www.languageguide.org/txt/time/ru
Greetings:
http://www.languageguide.org/txt/common/ru
Human body
http://www.languageguide.org/russian/vocabulary/body/
Face:
http://www.languageguide.org/russian/vocabulary/face/
Fruit: learn fruit names
http://www.languageguide.org/russian/vocabulary/fruit/