Some Natural Phenomena

The earthquake under a sea is called _________

• Storm

• Flood

• Thunder

• Tsunami

The outer layer of Earth is called _______

• Mantle

• Outer core

• Inner core

• Crust

A device used to test the charge on an object is called ______

• Ammeter

• Electroscope

• Seismograph

• None of these

A sudden shaking of the earth lasting for a very short time is known as______

• Lightning

• Thunder

• earth quake

• Tsunami

_____ is provided in buildings to protect us from electric shocks.

• Lightning

• Wiring

• Earthing

• Sealing

Instrument used to find the source of seismic waves is known as_____

• Seismometer

• Voltameter

• Galvanometer

• Ammeter

Generally lightning conductors are made of____

• Plastic

• Wood

• Copper

• Iron

______is a device used to protect buildings from the effect of lightning.

• MCB

• Fuses

• Lightning conductor

• Electric meter

Like charges when brought near each other then they_______

• Repel

• Attract

• Sometimes attract and sometimes repel

• Have no effect

Richter scale is used to measure the _____

• Magnitude of Lightning

• Magnitude of charges

• Magnitude of Earth quake

• Magnitude of Rainfall