Physical Science description

Physical Science app contains Physics and Chemistry related Topics and Practice Tests and Bits.
The following are the topics...
1. Light
2. Sound
3. Heat
4. Magnetism
5. Current
6. Laser
7. Metals
8. pH Values
9. Instruments - Usages
10. Elements - Importance etc..

Practice Test contains questions with multiple options and timer.
It is very easy to practice test.