Analysis

After soaking the metals copper, magnesium, aluminum, and titanium in coffee, coke, and sprite for a week, these are the results we got:

Copper and Coffee

            Tiny black spots occurred

Copper and Coke

            The color began to fade, and some white streaks occurred

Copper and Sprite

            Few black spots occurred

Magnesium And Coffee

            The magnesium turned completely brown

Magnesium and Coke

            The Magnesium began to rust

Magnesium and Sprite

            The metal began to dissolve and lose color

Aluminum and Coffee

            A little black spot occurred

Aluminum and Coke

            Several dark spots occurred

Aluminum and Sprite

            Some dark spots occurred

Titanium and Coffee

            Some dark streak lines occurred

Titanium and Coffee

            No noticeable effect toke place

Titanium and Sprite

            Some dark streak lines occured