Beach volleyball made its debut at the 1996 Games in Atlanta.
Tennis
Beach Volleyball.
Yes, basketball has been played in the Summer Olympic Games since 1936 and was also played as a demonstration sport in the 1904 Games.
Summer! Competitive badminton is played indoors and can be played in all seasons.
womens boxing
Traditionally it has been a winter sport, but most games are now played in the summer and some in winter.
womens football
At the 2008 Games, that would be softball.
womens softball
The longest running team sport in today's Olympics is water polo which was first played at the 1900 Games in Paris and has been played at every Summer Olympics since then.
Water Polo is a sport which has been contested in every Olympic Games since the 1900 Summer Olympic Games in Paris - and will be contested again in 2012.
Equestrian is a summer Olympics sport, not a winter sport. Therefore the Equestrian games will be in the 2016 summer games.