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Conduction, Convection, Radiation
Transcript of Conduction, Convection, Radiation
By. Zoey Howell, Kara holsclaw,
Facts on convection
Convection is broadly the movement of any molecule through any fluid state, including liquids and gasses. It is the primary form of heat and mass transfer on earth, and can be found in many systems around the world. Many people know with convection from heating their food or houses, and it also plays a pivotal role in creating the weather conditions on the planet.
Conduction is movement of heat and electricity through a material without any perceptible motion of the material. Conduction is the process by which heat or electricity is directly transmitted through a substance when there is a difference of temperture or of electrical potential between adjoining regions,without movement of the material.
Conduction, convection and radiation
Radiation is the emission of energy as electromagnetic waves or as moving subatomic particles, especially high energy particles that cause ionization. Radiation refers to energy that travels through space or matter in the form of energy waves. When radiation occurs, the energy waves move out in different directions from the producer of energy. Radiation can be ionizing which means it has the capacity to modify the ions of an atom, or non-ionizing, in which it does not posses that ability.
Convection is a movement caused within a fluid by the tendency of hotter and therefor less dense material to rise, and colder, denser material to sink under the influence of gravity which consequences results in transfer of heat.
Examples-Boiling water, radiater, microwave, ice melting, dinner
Conduction, Convection, and radiation
1. What is a example of radiation?
A).touching a hot stove
B).rays of sunlight
C).a cold skillet on a stove top
2.Can you tell what convection means ?
A)Heat transfer in a gas or solid
B)Heat transfer in a solid
C)Heat transfer in a gas or liquid
3. What is a example of conduction?
A)Rays of sunlight
B)A cold iron skillet is placed ona stove top
4. This type of heat transfer occurs when heat moves from one molecule to another?
5. What is a example of convection?
I can statements
: MEANS THE PROCESS BY
WHICH HEAT OR ELECTRICITY IS DIRECTLY
TRANSMITTED THROUGH A SUBSTANCE WHEN THERE IS A DIFFERENCE OF TEMPERATURE AND ELECTRICAL POTENTIAL BETWEEN ADJOINING REGIONS WITHOUT MOVEMENT OF THE MATERIAL.
: MEANS THE MOVEMENT CAUSED WITHIN A FLUID BY THE TENDENCY OF HOTTER AND THEREFOR LESS DENCE MATERIAL TO RISE, AND COLDER, DENCER MATERIAL TO SINK UNDER THE INFLUENCE OF GRAVITY, WHICH CONSTANCLY RESULTS IN TRANSFER OF HEAT.
: means the emission and propagation of energy in the form of rAYS AND WAVES.
: means energy in transit due to temperature difference.
I can decribe conduction convection and radiation with words.