ead the procedure. Make your prediction. Perform the experiment. Record your observations. Answer the questions at the end of the activity. Station 1 Materials: A balloon and a stick tape 1. Inflate a balloon and tie the end. 2. Place the inflated balloon on the digital balance, using a piece of tape to hold it in place on the pan. You only need a tiny piece of tape - don't use more than necessary. 3. Record the mass. 4. Remove the balloon from the balance. 5. Use a pin to gently puncture the balloon near the neck and release the gas contained in it. 6. Place the deflated balloon on the same balance (with the tape still attached) and record its mass