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Density
Density is the mass of an object divided by its volume, commonly expressed in grams per cubic centimeter (g/cm³) or kilograms per cubic meter (kg/m³). It measures how tightly matter is packed together.
Kinetic energy
Kinetic energy is the energy possessed by an object due to its motion, calculated using the formula KE = 1/2 mv², where m is the mass and v is the velocity of the object.
Biomes
Biomes are large geographical areas characterized by specific climate conditions, plant communities, and animal species. Examples include forests, deserts, grasslands, and tundras.
Convection
Convection is the transfer of heat through the movement of fluids (liquids or gases), where warmer, less dense fluid rises and cooler, denser fluid sinks, creating a circulation pattern.