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3 types of heat transfers
3 types of heat transfers
Trey 7th
Conduction
Conduction is how heat transfers through direct contact with objects that are touching.
Conduction
Any time that two objects or substances touch, the hotter object passes heat to the cooler object.
.Solids are better conductor than liquid and gas
Sand
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Convection
Convection:
1.He passes threw fluids
2.heat rises
3.Convection currents explain why the air is hotter at the top of a room and cooler at the bottom.
Example:Hot air ballon
Convection
Radition
Radiation:
1.Radiation is how heat moves through places where there are no molecules. Radiation is actually a form of electromagnetic energy.
2.Sun is the biggest radiation
3. radiation is heat moving in waves
Example: