Heat Engines and Thermal Efficiency| Grade 9 Science Quarter 4 Week 7

Another week, another video lesson. :)

Today's video lesson is all about Heat Engines and Thermal Efficiency
Grade 9 Science Quarter 4 Week 7 – DepEd MELC-based

Here are the things I discussed:
Heat and Work
Methods of Heat Transfer (Convection, Conduction, Radiation)
What is heat engine?
Example of heat engine
What is combustion engine?
Two (2) classes of combustion engine
What is thermal efficiency?
Formula for Thermal Efficiency
Problem Solving involving efficiency



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Grade 9 Science Quarter 4 Week 6: Heat, Work, and Energy
   • Heat, Work, And Energy| First Law of ...  

Grade 9 Science Quarter 4 Week 5: Conservation of Mechanical Energy
   • Conservation of Mechanical Energy| Po...  

Grade 9 Science Quarter 4 Week 4: Conservation of Momentum
   • Conservation of Momentum | Elastic an...  

Grade 9 Science Quarter 4 Week 3: Momentum and Impulse
   • Momentum and Impulse | Collision of O...  

Grade 9 Science Quarter 4 Week 2: Projectile Motion Launched at an Angle
   • Projectile Motion Launched at an Angl...  

Grade 9 Science Quarter 4 Week 1: Horizontal and Vertical Motions of a Projectile
   • Horizontal and Vertical Motions of a ...  

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#Physics #HeatEngine #ThermalEfficiency #MaestrangTechy