1. Copyright © 2011 InteractiveScienceLessons.com Item*Wattagex Hrs./Dayx Days/Yr.÷ 1000 x.085= $ Cost/Yr. Ex.Lamp 100 watts8365$24.82 1.______ watts 2.______ watts 3.______ watts 4.______ watts 5.______ watts 6.______ watts 7.______ watts 8.______ watts 9.______ watts 10.______ watts

2. Copyright © 2011 InteractiveScienceLessons.com  Trends- Wattage increases with 1. ________________ 2. ________________ 3. ________________ heat moving parts size Low- <100 WMid- 100-500 WHigh- >500 W toaster vacuum television mixer dvd player telephone microwavefanalarm clock

3. Copyright © 2011 InteractiveScienceLessons.com  A typical circuit has available _________ amps which produces_________ volts multiply those to get watts_________ Watts *You should not exceed 80% (x.8) _________ Watts this is your limit per circuit 20 120 2,400 1,920

4. Copyright © 2011 InteractiveScienceLessons.com Bedroom Bathroom Living Room Kitchen Utility 12 34 56 78 910 1112 1314 1516 1718 1920 2122 2324 Breaker Box Hot Water- 4000 Heat/Air- 3,500 Lights-300 Frig.-500 Lamp-100 Microwave.-1,500 Hair dryer- 1,800 1,920

5. Copyright © 2011 InteractiveScienceLessons.com Bedroom Bathroom Living Room Kitchen Utility 12 34 56 78 910 1112 1314 1516 1718 1920 2122 2324 Breaker Box Hot Water- 4000 Heat/Air- 3,500 Frig.-500 Microwave.-1,500 Lights-300 Lamp-100 Hair dryer- 1,800 1,920

6. Copyright © 2011 InteractiveScienceLessons.com Bedroom Bathroom Living Room Kitchen Utility 12 34 56 78 910 1112 1314 1516 1718 1920 2122 2324 Breaker Box Hot Water- 4000 Heat/Air- 3,500 Frig.-500 Microwave.-1,500 Lights-300 Lamp-100 Hair dryer- 1,800 telephone-1 stereo-100 fan-150 television-300 aquarium-600 heater (port.)- 1500 Lamp-100 1 150 100 600 100 300 1500 + 2,751 1,920

7. Copyright © 2011 InteractiveScienceLessons.com Item*Wattagex Hrs./Dayx Days/Yr.÷ 1000 x.085= $ Cost/Yr. EX. Lamp 100 watts8365 $24.82 1.______ watts 2. ______ watts 3.______ watts 4.______ watts 5.______ watts 6.______ watts 7.______ watts 8.______ watts 9.______ watts 10.______ watts

8. Copyright © 2011 InteractiveScienceLessons.com Item*Wattagex Hrs./Dayx Days/Yr.÷ 1000 x.085= $ Cost/Yr. EX. Lamp 100 watts8365 $24.82 1.______ watts 2.______ watts 3.______ watts 4.______ watts 5.______ watts 6.______ watts 7.______ watts 8.______ watts 9.______ watts 10.______ watts t.v.2503300$19.13

9. Come back and visit InteractiveScienceTeacher.com for everything you need for every lesson: Videos- where I show you how to present each lesson PowerPoints Teacher Notes Student Handouts