Heat Transfer | Conduction, Convection & Radiation

Teach Heat Transfer: Heat transfer is happening pretty much at all times, all around us. Conduction through contact, Convection through density differences, and Radiation through waves.

IN THIS EPISODE:
Kinetic Energy | Temperature | Thermal Energy
Conduction | Popcorn Demo
Convection | Convection Current Demo
Radiation | Infrared Camera Demo

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SCIENCE STANDARDS:
NGSS
4-PS3-2
Make observations to provide evidence that energy can be transferred from place to place by sound, light, heat, and electric currents. Assessment does not include quantitative measurements of energy.

MS-PS3-4
Plan an investigation to determine the relationships among the energy transferred, the type of matter, the mass, and the change in the average kinetic energy of the particles as measured by the temperature of the sample. Examples of experiments could include comparing final water temperatures after different masses of ice melted in the same volume of water with the same initial temperature, the temperature change of samples of different materials with the same mass as they cool or heat in the environment, or the same material with different masses when a specific amount of energy is added. Assessment does not include calculating the total amount of thermal energy transferred.

MS-PS3-5
Construct, use, and present arguments to support the claim that when the kinetic energy of an object changes, energy is transferred to or from the object. Examples of empirical evidence used in arguments could include an inventory or other representation of the energy before and after the transfer in the form of temperature changes or motion of object. Assessment does not include calculations of energy.

TEKS
SCI.4.6.B
Force, motion, and energy. The student knows that energy exists in many forms and can be observed in cycles, patterns, and systems. The student is expected to: differentiate between conductors and insulators of thermal and electrical energy;

SCI.6.9.A
Force, motion, and energy. The student knows that the Law of Conservation of Energy states that energy can neither be created nor destroyed, it just changes form. The student is expected to: investigate methods of thermal energy transfer, including conduction, convection, and radiation

SCI.6.9.B
Force, motion, and energy. The student knows that the Law of Conservation of Energy states that energy can neither be created nor destroyed, it just changes form. The student is expected to: verify through investigations that thermal energy moves in a predictable pattern from warmer to cooler until all the substances attain the same temperature such as an ice cube melting

#heattransfer #conduction #convection #radiation #thermalenergy #physicalsciences #scienceexperiment #scienceactivity #ngss #teks

[madgardenscience]

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[amairakhan]

Can't emphasis enough how helpful your vedios are.. thank you so much ma'am ❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤

[traileagle]

So does the heat actually rise or is it that the heat energy is transferred to the particles nearby which caused them to expand, reduce in density, and then rise upward? Heat moves in all directions. The air molecules all around the flame are absorbing the energy from the sides and even below the flame. Not to be picky, but in my experience as a science teacher many students hear this phrase and often misconstrue the statement to mean that the phrase “heat rises” implies that heat energy only moves upward. Evidence of this is most easily seen in space where a flame, under reduced gravitational conditions, appears to be a sphere rather than a pointy flame as we see it on Earth. Just something to think about. Otherwise, a great video on heat transfer!!