Font size
WorksheetsSome Natural Phenomena
Total questions: 15
Worksheet time: 8mins
When a refill and a balloon are rubbed together they
Attract each other
Repel each other
Blast
No reaction they just stay the same
What is the device used to check if a object is charged
Electroscope
Electrolyte
Charge Checker
Electrobox
Like charges (a) each other
What is earthing
Transferring charges to Earth
Protecting the switches so they don't blast
Collecting charges from earth
None of these
Small amount of electricity formed by rubbing
Static
Lightning
Electricity
Charges
What is a lightning container
A metal rod that helps the lightning to reach the ground
Anything that conducts lightning
A metal container that takes lightning and converts it into electricity and that is used to power an electric appliance
Earthquake causes (any one)
(a)
Define richer scale
a numerical scale for expressing the magnitude of an earthquake on the basis of seismograph oscillations
an instrument that measures and records details of earthquakes, such as force and duration.
none of these
π r²
Lightning occured when two charges they are:
Both positive
both negative
one negative and one positive
both neutral
How many types of charges are gained by rubbing objects?
2
1
3
4
When there is a thunderstorm and you need to give someone an urgent message to someone then the safest way is
Phone
landline
letter
Go to their place and give the message
What phenomena is caused here?
Major electric discharge
Lightning
Thunder
Tsunami
Name the scientist who invented electroscope.
William Gilbert
Antonie van Leeuwenhoek
Issac Newton
Tyho Brahe
Two charged objects are brought close to each other. Choose the most appropriate statement from the following options:
they may repel
they may attract
they may attract or repel depending on the type of charges they carry
there will be no effect
Earthquake can be caused by
landslides
liquefication
Explosion
Volcanic Eruption
