Across
- 5. He is regarded as the first man on earth to ever discover cure for puerperal fever and make the vaccines for rabies and anthrax. He also explained the asymmetry in various crystals on a molecular basis.
- 6. discovered one of the fundamental laws of physics – the Law of Conservation of Electric Charge – and proved that lightning is electricity.
- 7. He was a biologist, a zoologist, ethicist, a political scientist and the master of rhetoric and logic. He also gave theories in physics and meta physics.
- 9. discovered plant cells and discovered Hooke’s Law – the law of elasticity.
- 10. He invented the Crookes tube, an evacuated electrical discharge tube, which he used to generate so-called cathode rays.
Down
- 1. He generated ac current before Edison knew about charges.
- 2. Found that the Earth has magnetic poles and acts like a huge magnet.
- 3. He invented the piezoelectric quartz electrometer which detects and measures electric charge.
- 4. He discovered that methane mixed with air could be exploded using an electric spark.
- 8. She invented the first mobile X-ray machine which helped to check the injured soldiers in the battlefield.