Page 3 - 18,19,20,31,32 (Latihan)
P. 3
How it works:
Cut a plastic bottle into two parts. The bottle that is used
is only the upper part, which is the part that has a mouth!
Prepare a straw
Insert one end of a plastic straw into one of the balloons
(Balon A) and tie it with a rubber band!
Insert a plastic straw into the axis of the bottle
. Attach the plasticine to the mouth of the bottle. Make
sure there are no leaks!
Cut the second balloon (Part B) at the bottom!
Attach balloon B to the bottom of the plastic bottle and
tie it with a rubber band!
Hold the bottle with your left hand. Pull balloon B with
your right hand. Observe what happens to balloon A!
Release the pull on balloon B. Observe what happens to
balloon A!
Enter your observations in the following table.