Bottle Rocket

.take  scissors and cut four triangles
. tape it to side of the rocket
. shortest end taped to side of bottle
. the fins are an important part of the project and if constructed correctly your rocket will soar through the air to optimal hieght.
. 

.take two litter bottle
. rotate it around hotplate
. wait for it to cool
.cut in half and take bottom half

take garbage cut it into a rectangle 
take  four strings of twine taped to corners of parachute
After you tape the corners take the loose ends and tap of cut a slit in the tennis ball to connect the string to to create your parachute.