Temperature is a measure of the average kinetic energy of particles in a substance. It indicates how hot or cold something is. Temperature is measured using scales like Celsius or Fahrenheit. It affects the rate of chemical reactions and the ...
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Convection is the transfer of heat through a fluid (liquid or gas) by the movement of the fluid itself. When a fluid is heated, its particles gain energy and move faster, becoming less dense and rising. Cooler, denser fluid then ...
Energy is the capacity to perform work or produce change and exists in various forms including kinetic potential thermal and chemical energy. It can be transformed from one form to another but cannot be created or destroyed according to the ...
Viruses reproduce only inside host cells (bacteria, plants, or animals). Common ailments like cold, flu, cough, and serious diseases like polio and chickenpox are caused by viruses. NCERT Class 8 Science Chapter 2 Microorganisms: Friend and Foe
Microorganisms are classified into bacteria, fungi, protozoa, and some algae. NCERT Class 8 Science Chapter 2 Microorganisms: Friend and Foe