Why does the night sky look the way it does from Earth

Hypothesis. why don’t you know this? i learned this stuff in like 5th grade

The chemical reactions lab we did is typically called a "copper plating lab,  because the acid solution cleaned the pennies and made the copper look shinier;   the acid solution cleaned the paperclips and made them look like pennies;   &   the copper from the pennies was removed, and then added to the paperclips. 

1. electricity2. discharge: )