HOT AIR BALLOONCONSTRUCTION

A LOOK AT HOW HEAT IS TRANSFERRED IN THE

ATMOSPHERE

STEP 1

SELECT 9 SHEETS OF TISSUE PAPER. GLUE 4 OF THEM SIDE BY SIDE TO FORM THE SIDES OF YOUR BALLOON. (SEE PICTURE # 1)

STEP 2

With the remaining 5 sheets, make five squares (see picture 2)

STEP 3

Glue one of the five squares to the top of one of the sides. (see picture 3.)

STEP 4 With the remaining 4 squares, Cut 4 funnel-shaped pieces by Cutting a right triangle from Both sides of the squares withA base of approximately 6 to 8 inches. (see picture 4)

Step 5Glue the four funnel-shapedPieces to the bottom of each side.(See picture 5)

STEP 6

Join the bottom of the balloon by gluing the 4 funnel pieces together. (This will cause wrinkles, but is just fine.) (see picture 6)

Step 6 photo

STEP 7

Join the rest of the sides around the top square. (see picture 7)

STEP 7 photo

STEP 8MAKE ONE FINAL SEAM DOWN THE LAST SIDE. (SEE PICTURE 8)

STEP 8 photo

LAST STEPS

BEND THE WIRE INTO A CIRCLE ABOUT 6 INCHES IN DIAMETER, THEN GATHER THE BOTTOM OF THE BALLOON AROUND THE WIRE AND GLUE IT. (THIS MAKES LOTS MORE WRINKLES, LIKE A SLEEVE AROUND AN ELASTIC BAND.) (SEE PICS)

JUST CHECKINGCHECK YOUR BALLOON FOR ANY HOLES AND MAKE REPAIRS. YOU ARE NOW READY FOR LAUNCHING. BE CAREFUL AND ENJOY.