Question 39 of 42intermediate✨ CreateEssay5 marks

Create a role-play stage play or story about the ‘Journey Inside the Atom’, and the scientists who discovered and contributed to the identification of atomic structure.

Correct Answer

Journey Inside the Atom: A Stage Play

Act 1: The Indivisible Sphere — Narrator: "Once, atoms were thought to be the smallest, indivisible units of matter. But scientists, driven by curiosity, questioning, and experimentation, began to look deeper."

Act 2: Radiation Reveals Secrets — Scientist 1: "We have discovered that certain elements emit invisible energy and particles called radiation! The atom is not indivisible after all!" New experiments were performed, and new evidence came to light, changing and improving early atomic models step by step.

Act 3: Rutherford's Laboratory — At the famous Cavendish Laboratory at the University of Cambridge, Rutherford and his team probed deeper into the atom's structure, searching for what gives atoms their mass.

Act 4: Chadwick's Breakthrough — James Chadwick: "In 1932, I have solved a key puzzle — I discovered the neutron!" Narrator: "This neutral particle explained atomic mass and earned Chadwick the Nobel Prize in Physics in 1935."

Act 5: The Atomic Age — Narrator: "Being uncharged, neutrons easily penetrate nuclei, leading to breakthroughs like artificial radioactive elements and the splitting of uranium atoms. This birthed the atomic age, bringing both nuclear power and nuclear weapons. Science moves forward — one step at a time!"

Exercise: The Journey Beyond | Q: 3 | (Page 22)
For More Understanding

Explanation

The answer creates a 5-act stage play incorporating key facts from the textbook context: early belief in indivisible atoms, discovery of radiation, Rutherford's lab at Cambridge, Chadwick's 1932 neutron discovery explaining atomic mass (Nobel 1935), and how uncharged neutrons led to artificial radioactive elements, uranium splitting, and the atomic age. It emphasizes that science progresses step by step through curiosity, questioning, and experimentation.

Solution Steps

  1. Step 1: Identified key scientists and discoveries from context (Chadwick, Rutherford, neutron discovery)

  2. Step 2: Structured as a 5-act stage play showing chronological progression of atomic understanding

  3. Step 3: Incorporated all textbook facts: indivisible atoms, radiation, Cavendish Laboratory, 1932 neutron discovery, Nobel Prize 1935, uncharged neutrons penetrating nuclei, artificial radioactive elements, uranium splitting, atomic age

  4. Step 4: Used bold for key terms and maintained 150-200 word count with proper paragraph breaks