Grade 9 Math & Science app for iPhone and iPad

Grade 9 Math & Science is a comprehensive quiz app for Grade 9.
Features:
-ScoreBoard to record scores.
-Each Topic Score can be deleted to reset the topic quiz
-User progress indicated in pie graph.
-Grade 9 Science topics--------
. Structure of the atom
. Tissues
. Matter in our surroundings
. Atoms and Molecules
. Motion
. Diversity in Organisms
. Work and Energy
. Sound
. Why do we fall ill
. Natural Resources
. Cell - Unit of life
. Life: simple and complex
. Life around you
. Highway to health
. Quality food, quality life
. Symbol
. Atomic Number
-Grade 9 Math topics--------
. Circle
. Congruence of triangles
. Triangles
. Lines and angles