1. Decorate the index card. This will form
the body of your rocket.
2. Roll the index card into an 8-inch-tall tube.
Slide an empty, film canister into the tube so
that the canister opens at one end of the tube.
Securely tape the paper to the canister. You do
not want these two parts to separate.
3. Now tape the 8-inch-long seam of the paper
tube.
4. Cut two triangular, paper fins and tape them
onto the rocket.
5. What is the function of the rocket fins?
6. Make a small paper cone and tape it to the
top of the rocket if you would like a nose cone.
7. What is the function of the nose cone?
8. Hold the rocket upside down and add water
to the canister to one-quarter full.
9. Add half a tablet of Alka-Seltzer to the film
canister and quickly snap on the lid.
10. Place the rocket on the ground, lid down.
Stand back and count down while you are waiting
for launch.
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