SUCCESS will not coming without EFFORT...
This test will enhance your knowledge. GOOD LUCK !!!
SET 1
SET 2
HOMEWORK
Extra exercise...
The diagram shows an aeroplane at 30 000 feet above sea level.
a) Compare the air pressure atsea level and at 30, 000 feet above the sea level.
b) Why is there a change in atmospheric pressure?
c) State three factors that affect air pressure.
So...here are some present for you all...=)
cLICK IT to get a TRIAL SCIENCE PMR question....
