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Convection can occur in a substance when there is a temperature gradient present, meaning that one part of the substance is hotter than another. This temperature difference causes the warmer, less dense portion of the substance to rise and the cooler, denser portion to sink, creating a convection current.
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Which type of substance does convection occur best?
Convection occurs best in fluids, such as air or liquids like water. This is because fluids are easily able to move and transfer heat through the process of convection. Solid materials do not readily allow for the movement of particles, so convection is less efficient in solids.
What are three materials that convection is made of?
Convection can occur in liquids, gases, and plasmas. These materials allow for the transfer of heat through the movement of their particles, either through natural or forced convection processes.
What is energy stored in a substance because of its composition?
Chemical energy is the energy stored in a substance due to its chemical composition. This energy is released when chemical reactions occur.
Why must oxidation and reduction occur simultaneously?
Because for oxidation to take place the electrons lost by the substance that is oxidized must be accepted by atoms or ions of another substance. Also, for reduction to occur the electrons gained by the substance that is being reduced must be transferred from the atoms of ions of another substance. Therefore, oxidation and reduction are complementary processes: that is to say that oxidation cannot occur without reduction and visa versus.
What occur only on the surface of the substance?
Surface tension and surface adsorption occur only on the surface of a substance. Surface tension is the tendency of a liquid surface to shrink into the minimum surface area possible, while surface adsorption is the accumulation of molecules at the surface of a material.
A circular flow of warmer fluid and cooler fluid is called a?
A convection current, however, this can also occur with gases.
What thermal energy is transferred from one substance to another it is called what?
When thermal energy is transferred from one substance to another, it is called heat transfer. Heat transfer can occur through conduction, convection, or radiation.
Which type of substance does convection occur best?
Convection occurs best in fluids, such as air or liquids like water. This is because fluids are easily able to move and transfer heat through the process of convection. Solid materials do not readily allow for the movement of particles, so convection is less efficient in solids.
What is more likely to occur in the water thermal energy transfer by conduction or convection?
Convection
What two states of matter can occur in convection?
Convection currents are in the liquid and gas states.
In which layer of earth does convection occur?
mantle
What types of matter does convection occur?
Convection occurs mainly in the gaseous state, where heat is transferred through currents in air. Convection can also occur in liquids, however it is generally identified with gases.gas and liquid
What 2 types of materials will convection most likely occur?
Convection is most likely to occur in fluids, such as liquids or gases, due to the movement of their particles. Additionally, convection can also occur in certain solids that are capable of flowing, such as molten lava or heated metals.
Where can a divergent boundary occur?
They occur when the convection currents are less dense and rise.
How does convection occur in convection chamber?
When smoke goes up through a tube to a container and into fire.
Which layer of the earth do convection currents occur in?
Convection currents occur in the mantle, which is the middle layer of the Earth. The heat generated from the core causes the molten rock in the mantle to move in a circular pattern, creating convection currents.
Where in the structure of the earth do convection currents occur?
The mantle.
