Some Natural Phenomena - Class 7 Science CBSE ICSE
Improve your understanding of Some Natural Phenomena by practicing the below questions from class 7 Science.
Why are people with serious heart problems often given shock treatment with electricity?
Resistance changes electricity to heat. Which of these appliances uses this property?
The law of electrostatic attraction and repulsion states that ________.
An object is negatively charged because it contains _________.
A metal sphere is mounted on a wooden board. It is touched by a negatively charged metal rod. As a result, the charge of the sphere and the metal rod will be _____________.
What kind of harmful emissions (pollution) are produced by driving electric vehicles?
Electron is the Greek name for __________.
What is the difference between a series circuit and a parallel circuit?
Only two prongs are needed on a plug to receive electrical power from an outlet. The purpose of the third prong is to __________.
In a good insulator electrons are usually _________.
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
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