Some Natural Phenomena - Class 7 Science CBSE ICSE

Improve your understanding of Some Natural Phenomena by practicing the below questions from class 7 Science.
Only two prongs are needed on a plug to receive electrical power from an outlet. The purpose of the third prong is to __________.
What is the difference between a series circuit and a parallel circuit?
What is the function of a circuit in our homes?
Why does lightning usually strike the tallest object in a given area?
Which of these represent the arrangement of particles in a neutral atom correctly?

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The above figure represents ____________.

How does a basic switch work?
Atomic nuclei of almost all atoms consist of __________.
Which of the following will attract bits of paper on being rubbed with silk?
The core of an atom is made up of __________.
Topics in Class 7 Science:
Reaching the Age of Adolescence
Crop Production and Management
Chemical Effects of Electric Current
Useful and Harmful Microorganisms
Force and Pressure
Gravitation
Light and Reflection
Light - Reflection and Refraction
Light-Reflection, Refraction and Dispersion
Synthetic Fibres and Plastics
Materials: Metals and Non-Metals
Combustion and Flame
Some Natural Phenomena
Coal and Petroleum
Pollution of Air and Water
Stars and the Solar System
Reproduction in Animals
Conservation of Plants and Animals
Cell - Structure and Functions
Sound
Heat
Fibre, Fabric and Clothing
Respiration in Organisms
Reproduction in Plants
Motion and Time
Mathematics:
Class 1 - Mathematics
Class 2 - Mathematics
Class 3 - Mathematics
Class 4 - Mathematics
Class 5 - Mathematics
Class 6 - Mathematics
Class 7 - Mathematics
Class 8 - Mathematics
Class 9 - Mathematics
Class 10 - Mathematics
Science:
Class 1 - Science
Class 2 - Science
Class 3 - Science
Class 4 - Science
Class 5 - Science
Class 6 - Science
Class 7 - Science
Class 8 - Science
Class 9 - Science
Class 10 - Science