Need 3 examples of unbalanced forces

1. pulling tug of war
2. monkey swinging from vine
3. arm wrestle

That big glowy thing in the sky is called the sun

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.