Scientific discoveries

3. What is the fundamental particle of an element that defines its chemical properties?
6. What did Gregor Mendel study, laying the foundation for modern genetics?
7. What is the name of the theory that explains the origin of the universe with a Big Bang?
8. What did Dmitri Mendeleev create, organizing the elements based on their properties?
9. What do we call the process by which plants convert sunlight into energy?
13. What did Louis Pasteur discover, eliminating harmful microorganisms from beverages?
14. What is the term for a substance that speeds up a chemical reaction without being consumed itself?
16. What did Alexander Fleming discover, revolutionizing medicine?
18. What is the unit of measurement for electrical resistance?
19. What did Isaac Newton discover, explaining the laws of motion?

1. What is the process by which an unstable atomic nucleus loses energy by emitting radiation?
2. What is the unit of measure for the brightness of stars?
4. What is the theory that explains the continents' movement over the Earth's surface?
5. What is the term for the phenomenon where light waves change direction when passing through different mediums?
10. What is the term for the loss of electrons during a chemical reaction?
11. What is the name of the protein that acts as a biological catalyst in living organisms?
12. What is the unit of measure for electrical power?
15. What is the process by which a solid turns directly into a gas without passing through the liquid state?
17. what is the term for a sudden burst of energy from a star?
20. What did Marie Curie discover, leading to the isolation of two new radioactive elements?