Second grade classes have been learning about the most common instruments of the orchestra and what families they belong to:
There are some GREAT games for reviewing instruments on the www.MusicPlayOnline.com website. I recommend you take time to share some of these activities with your student at home. (You can email me to get the User Name and Password at email@example.com)
Instruments of the Orchestra
What Instrument Do You Hear?
Additionally, here is a fun version of Knick Knack Paddy Whack that demonstrates instruments in a fun, jazzy version to watch on YouTube. I love this publisher, Barefoot Books, and they have free videos of most of their musical books. Good stuff!