Physical Science 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.
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