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Updated: Oct 2, 2020

Welcome back to challenge 18! This week's challenge is to save energy. When not in a room, make sure to turn off the lights because it wastes a lot of energy. This also wastes a lot of money and resources. If you have energy saver bulbs make sure to do it when you leave a room for more than 15 minutes because sometimes it can be detrimental for those bulbs. This challenge is very important so please make sure to read all the instructions on the Google Form and fill in all parts to receive full credit! Don't forget to fill out this google form and contact me at! Keep saving the environment!

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Snigdha Agasthyaraju
Snigdha Agasthyaraju
Apr 06, 2020

Did you turn off the lights when you exited any room for more than 2 minutes?


days closed lights and for how many hours: Sunday: yes, 9 hours (atleast)

Monday: Yes 8 hours (atleast)

Tuesday: Yes 9 hours (atleast)

Wednesday: Yes 10 hours (Atleast)

Thursday: yes 10 hours (atleast)

Friday: Yes 9 hours

Saturday: yes 10 hours

Do you have energy efficient bulbs or regular ones? (please check with your parents) 


Let’s do some math (it’s not hard):

If you have energy efficient bulbs, your bulbs take about 20 watts of energy per hour.

If you have regular bulbs, your bulbs take about 55 watts of energy per hour.

How many bulbs were switched off that would have…


Mar 16, 2020

The charts are too big and too many things to explain in one comment so I am just going to link it to the google doc. I have all the details and the work for all the weeks on there, thank you.

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