5.2 Energy Efficiency

Question	Answer
5.2 Energy Efficiency	9uhdsbvjbjdvkhfduhvksdc
What is energy Efficiency	How much input energy is converted into useful output energy.
what is the useful energy when using an electric toothbrush?	Kinectic Energy Image: Tooth Brush (binary/octet-stream)
that type of energy is wasted	sound Energy & Heat Energy
What is the useful energy when using an iPad	sound Energy & Light Energy Image: Ipad Air 3 Thumb (binary/octet-stream)
What type of energy is wasted	Heat Energy
What unit of meaurement is used to measure Energy	Joules
Energy Rating Label	A label that uses stars to show how energy efficient the appliance is Image: Energy Rating Tabel (binary/octet-stream)
What appliances have an energy rating label?	1)Microwave 2)Fridge 3)Freezer 4) Washing Machine Image: Energy Rating Washing Machine (binary/octet-stream)
What is the national house energy rating scheme?	A scheme that uses computers to simulate a rating of stars based on how energy efficient a house is.
What are some ways to keep your house energy efficient?	Image: Ef House (binary/octet-stream)
What is regenerative braking	When the kinetic energy of the brakes in the car is converted into chemical energy for the car's engine..

Resource summary

	Created by Fatima Waseem over 8 years ago