Energy Conversion
What is the difference between energy Transfer and Transform?
Energy transfer: Energy moves from one point to another. (Example-Electricity from a plug to a phone battery)
Energy Transformation: Energy changes from one type to another (Example- Chemical energy in food to mechanical energy of riding a bike)
What is the difference between heat energy and thermal energy?
There is no difference. Both are the same form of energy produced from the movement of particles.
Powerpoint-> Lamp
Electrical->Light
What type of energy powers Solar Panels?
Thermal Energy (Sun)
Battery-> Torch
Chemical-> Light
What is a heat source?
The origin of heat energy
Sun-> Plant
Thermal-> Chemical
What is an object that radiates heat?
Most devices which require energy: Lamp, TV, Fridge?
Hammer->Nail
Kinetic-> Mechanical
Why do our hands warm up when we rub them?
Friction: The molecules on our skin vibrate causing heat.