Energy Flashcards
What is energy measured in ?
Joules
What are forms of energy ?
Light, thermal, kinetic, gravitational potential, sound, chemical, fuels, nuclear, elastic, electrical.
What is a conductor ?
A conductor os when energy cam be transferred through metal quickly.
What is an insulator ?
A insulator is when it traps in warmth and energy to a confined space.
What do particles do when there is cold air ?
The particles fall down as the air is more dense.
What particles do when there is hot air ?
The particles rise up, and bounce off the cold particles, to make them mixed, as the warm air is less dense.
What is radiation ?
Radiation is the transfer of heat through electromagnetic waves which is called infrared radiation.
What os power measured in ?
Watts
What does kWh stand for ?
Kilowatts hour.
How do you find power ?
Energy
Power = ——–
Time
How do you find work ?
Work = force x distance
How do you find put power by using work done ?
Work done
Power = ————
Time
