1) What was our innovation? a) Light bulb b) Streetlight c) Glowing rock d) Fabric lamp shade 2) What experiments did we do? a) how bright the light bulb was b) what material is best for streetlight shields c) what shape is best for streetlight shields d) what material is best for streetlight poles 3) What is light pollution? a) The over usage of artifical lighting b) the cause of health problems c) animal suffering while migrating d) making stars disappear

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