Catégories : Tous - convection - radiation - conduction - temperature

par Bolaji Daniel Il y a 3 années

216

Heat

Heat transfer occurs through three primary mechanisms: conduction, convection, and radiation. Conduction involves the direct transfer of heat through particle collisions, where vibrating particles pass their energy to neighboring ones.

Heat

Heat

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Heat Transfer

Radiation
Radiation is energy that is transferred or given off from various sources of matter such as our Sun. Radiation is translated through the form of waves and travels through space at the speed of light. You could also call radiation “electromagnetic waves”.
Convection
Convection is a common procedure in which heat is transferred that includes circular motion that happens when warmer air or liquid — which has faster-moving molecules, making it less dense — rises, while the cooler air or liquid drops down. Convection can only occur in liquids and gases.
Conduction
Conduction simply works when heat energy is transmitted through collisions between particles. These vibrating particles collide with their neighbouring particles, making them also vibrate faster and as we know faster particles create heat.

Energy

Temperature
Kinetic Energy
Thermal Energy
Energy can be converted

Heat in the Environment

Wind
Ocean Currents
Layers of Atmosphere
Exosphere
Thermosphere
Stratosphere
Troposphere
Water Cycle

Particle Theory of Matter

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There are spaces between particles.
Particles have forces of attraction between them.
Temperature affects the speed at which particles move.
The particles of matter are in constant motion.
All particles of one substance are identical.
All matter is made up of particles.

Climate Change

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Global Warming
Greenhouse Gases
Heat Pollution