This 5th grade (Unit 3) science lesson was shared with us by the International School of Louisiana.
This demonstration kit includes enough materials for a class with 6 groups. Materials include:
Per group Per class
6 test tubes with cork (10ml) 6 36
test tube rack 1 6
1ml pipette (6) 6 36
yeast packet 1 6
methylene blue in dropper 1 6
large water container 1 1
small beakers for milk 1 6
bromothymol blue 1 bottle 1 bottle