ISBN-13: 9781494713249 / Angielski / Miękka / 2013 / 74 str.
ISBN-13: 9781494713249 / Angielski / Miękka / 2013 / 74 str.
This book contains data and graphs pertaining to home energy usage, including light bulbs and appliances commonly found in the office, living room, kitchen, and garage. Graphs show energy usage for multiple items, including 8 light bulbs tested alone and in series. Appliances are tested, including comparison of different power levels or speeds where relevant. This data can be used for lesson plans by teachers and parents. Bonus Material: Pictures of light bulbs provide additional information about energy-efficient design.