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Making The Parachute
There are lots of ways to
make a parachute:
#1
- Cut a circle of plastic about
30 inches in diameter.
I used a large garbage bag which I cut open and then I used the
lid from a round trash can as a guide to cut the plastic into
a circle.
- Punch 8 holes around the edge
of the plastic circle.
To make the parachute stronger, first put some scotch tape on
the plastic where you plan to punch the holes.
- Tie 18 inch pieces of string
to the plastic circle.
Try and make each piece the same length. Tie all eight pieces
together where the cargo hold will be attached.
- I used a piece of sponge for
the cargo hold.
Cut a little hollow in the sponge so that the egg can balance
in it.
- Now go and test it out !!
(You may also need some cleaning materials to wipe up any mess)
When an object falls from a great height it picks up speed, but
the resistance of air finally causes it to fall at a steady speed.
The large surface of a parachute acts as an air brake, checking
the velocity of the person or object attached and making it possible
for a safe landing.
Nicola - Third Grade, Charles E Smith Jewish
Day School
http://www.cesjds.org/science/parachute.htm
#2
- Cut a cellophane or tissue paper
square (36cm)
- Put a piece of tape on each
corner
- Punch a hole through tape at
each corner
- Cut four pieces of string 41cm
long
- Tie a piece of string to each
corner
- Tie loose ends of string together
- Attach paper clip (add more
to increase the load)
http://www.sci.mus.mn.us/sln/tf/p/paperclip/paperclip.html
More tips: http://www.pbs.org/rogers/R_house/object3.htm
Articles of
Interest to High School and College Students:
http://www.pcprg.com/student.htm
Skydiving
History:
http://www.geocities.com/Yosemite/Trails/7812/e-parahistoria.html
Famous Firsts
in Aviation:
http://www.infoplease.com/ipa/A0004537.html
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