WorksheetsRevision quiz
Total questions: 10
Worksheet time: 9mins
The outermost layer of the earth is called
core
crust
mantle
lithosphere
Which natural phenomenon cannot be predicted accurately
cyclone
floods
earthquake
all of these
The device that can be used to protect buildings from lightning is
electroscope
insulator
conductor
lightning conductor
_________is providing in buildings to protect us from electrical shocks due to any leakage of electrical current.
neutral wire
earthing
neutral wire
none of these
The scale used to measure the intensity of an earthquake is
seismograph
meter scale
Richter scale
intensity graph
The weak zones where the earthquakes occur very frequently is (a) .
The point of origin of an earthquake is (a) .
Brass is an alloy of the following metals.
Iron
copper
gold
zinc
Solder is an alloy of lead and tin. It is used to join metals. The property of _______________of __________________ is used in this alloy for the purpose.
(a)
If air and cloud are good conductors of electricity, do you think lightning could occur? Explain.
