What is the difference between shapes and
forms?

A "Shape" is two dimensional, an area defined by an outline. A "Form" is a shape that has the illusion of being three dimensional by the use of shading and/or perspective drawing.

Explanation:

-has naturalistic color-has neutral colors-has color harmony-has variations of colors with shading and reflections(charing cross bridge by andré derain; the copper drinking fountain by jean-baptiste-siméon chardin)the copper drinking fountain by jean-baptiste-siméon chardinchardin and derain used color differently in these paintings.which painting has these characteristics? -has fauve color-has monochromatic colors-has intense, unnatural color-has pure color with no shading(charing cross bridge by andré derain; the copper drinking fountain by jean-baptiste-siméon chardin)charing cross bridge by andré derain