Some Natural Phenomena Class 8 Worksheet - Chapter 15
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Question 1 Fill in the blanks:
Phenomena that occurs naturally like floods, thunderstorms and lighting is known as ________.
An atom is made of up of positively-charged particle that is found inside the nucleus is called ___________.
The molecules that are electrically charged are called ___________.
If body is positively-charged, it has less ____________.
_____________ is a device that measures the presence and type of a charge present inside an atom or molecule.
Question 3 Unscramble the following words: Answers
EARTHQUAKE
SEISMOGRAPH
TECTONIC
INSULATORS
ELECTROSCOPE
Question 4 Multiple choice questions:
(a)What do we call the method of charging a non-charged body by transferring some charge due to contact?
i.Conduction
ii.Thunderstorms
iii.Lightning
iv.Natural Phenomena
(b)An intense spark of electricity that occurs in the sky due to the accumulation of charges is known as ____________.
i.Electroscope
ii.Friction
iii.Lightning
iv.Flood
Question 6 Very short answer type questions:
(i)In which unit the seismograph measures the earthquake?
(ii)Write any two methods of charging the bodies?
(iii)Give any two examples of natural phenomena.
(iv)What does an atom consist of?
(v)Who discovered the connection between the electrical charges and lightning? Answers
(i)Richter scale.
(ii)Friction and conduction.
(iii)Tsunami and earthquake.
(iv)Nucleons (proton and neutron) and electrons.
(v)Benjamin Franklin.
Summary
This Some Natural Phenomena Class 8 Worksheet is prepared keeping in mind the latest syllabus of CBSE . This has been designed in a way to improve the academic performance of the students. If you find mistakes , please do provide the feedback on the mail.
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