Name

Period

Date

Balloon-Air Mass Lab

OBJECTIVE

• review balance use
• "Does air have mass?"

MATERIALS

• balloon
• balance

DATA

• group _____
• deflated balloon mass = _____ g
• inflated balloon mass = _____ g

PROCEDURE

1. mass out deflated balloon
1. each person should do this
2. return sliders to zero between people
2. inflate balloon while on the pan
3. mass out inflated balloon
1. again each person should do this
2. return sliders to zero between people

CALCULATIONS

1. mass of air in balloon (EV) = _____ g
2. class average (TV) = _____ g
3. % disc. from class average = _____ % (Show work.)

CONCLUSION

1. Answer question with supporting evidence.