Response includes all four key elements. 4 Points Response contains no scientific errors. Response includes three of the four key elements. 3 Points Response may include scientific errors. Response includes two of the four key elements. 2 Points Response may include scientific errors. Response includes one of the four key elements. 1 Point Response may include scientific errors.
4 Points Response includes all four key elements. Response contains no scientific errors. 3 Points Response includes three of the four key elements. Response may include scientific errors. 2 Points Response includes two of the four key elements. Response may include scientific errors. 1 Point Response includes one of the four key elements. Response may include scientific errors.