e-Worksheet: Energy Conservation vs. Energy Efficiency

Energy Conservation is defined as _____.

• the effort made to reduce the consumption of energy

• the decreased use of an energy source or energy service

• the saving of energy

• all of the options given

A common example of an energy conservation is replacing incandescent light bulbs in the home with the most efficient home lighting using _____.

• compact fluorescent light bulbs

• LED light bulbs

• halogen light bulbs

• standard incandescent light bulbs

When constructing your home or apartment, builders use _____ as a weather barrier to keep the dwelling warm and comfortable in the winter and cool in the summer.

• wall insulation

• roof insulation

• attic insulation

• all of the options given

Why is it important to use energy conservation? Energy conservation _____.

• saves money

• uses less energy

• saves money and uses less energy

• creates more pollution

The _____ ______ label is a government-backed symbol that recognizes a product is more energy-efficient than standard comparable products.

What is the definition of Energy Efficiency? Energy Efficiency is _____.

• using less energy to perform the same task or energy service as usual

• using more energy to perform the same task or energy service as usual

• eliminating all energy consumption

• converting energy consumption

When do refrigerators and freezers operate most efficiently in the home? Refrigerators and freezers operate most efficiently when _____.

• they are half full

• they are empty

• they are full

• they are one third full

To decrease energy consumption in our classrooms at Sterling Aviation High School, the rooms have motion sensored lighting which _____.

• automatically cycles on and off every five(5) minutes

• automatically turns off when motion, in the classroom has not been detected for a period of time

• automatically turns on when motion, in the classroom has not been detected for a period of time

• automatically cycles on and off every ten(10) minutes

Energy can neither be created nor destroyed in a physical or chemical change; however, it can be transformed from one type of energy to another, is the _____.

• Law of Conservation of Energy

• Work-Energy Theorem

• First Law of Thermodynamics

• Law of Efficiency of Energy

Solar energy, wind energy, and geothermal energy are examples of _____ that are naturally replenishing but flow-limited. These resources are virtually inexhaustible in duration but limited in the amount of energy that is available per unit of time.

• conservation of energy sources

• efficiency of energy sources

• transformation of energy sources

• renewable energy sources