Have the students take holiday music and write their own words which relate to content in chemistry.
This must teach from the first line.
An example follows:
Lab Safety (to the tune of Carol of the Bells)
Chemistry lab, chemistry lab (4 times)
Aprons and gloves, aprons and gloves (3 times)
Don't run around, don't run around (2 times)
Please be careful, please be careful
The lab can really hurt you if you
Don't read the instructions real carefully!
Don't forget to wear your safety goggles,
Don't forget to wear your safety goggles.
Lab safety time, lab safety time (4 times)
You won't get hurt, you won't get hurt (3 times)
Just take your time, just take your time (2 times)
You'll get an A, you'll get an A...