This post is about Physics – Understanding different forms of energy stores and energy conversions.
Energy stores and conversions are fundamental to physics. Let’s explore the essential concepts you need to know to tackle these questions with ease!
Summary pointers for energy stores:
Energy Stores:
- Chemical Store: Energy in fuels, batteries, and food.
- Kinetic Store: Energy due to an object’s motion.
- Gravitational Potential Store: Energy due to an object’s height.
- Elastic Potential Store: Energy in stretched or compressed objects.
- Internal (Thermal) Store: Energy due to the temperature of an object.
NOTE: Light energy, sound energy, electrical energy are not energy stores.
Quick Answering Tips for energy conversions
Answering Techniques for Energy Conversions:
- Identify Stores: Clearly identify the initial and final energy stores.
- Use Conservation of Energy: Energy transfers between stores; it is not lost or gained.
- REMEMBER the 4 Pathways of energy transfer and include them in your OEQs answers
- mechanically
- electrically
- by heating
- by propagation of waves (mechanical sound waves or EM waves)
Correct Terminology: Always use terms like “kinetic store” and “gravitational potential store.”
Understanding energy stores and pathways is crucial for excelling in science exams – practice these techniques to stay ahead!
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