History of Chemistry Worksheet
Explore the fascinating history of chemistry, from ancient discoveries to modern atomic theory, with this engaging Grade 8 science worksheet.
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History of Chemistry
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Read each question carefully and answer to the best of your knowledge. Good luck!
1. Who proposed the first atomic theory, suggesting that matter is composed of indivisible particles called atoms?
Aristotle
Democritus
John Dalton
Robert Boyle
2. Which ancient civilization is credited with early advancements in metallurgy and the extraction of metals like copper and gold?
Roman Empire
Ancient Egypt
Mayan Civilization
Viking Age
3. The practice of alchemy, a precursor to modern chemistry, aimed to transform base metals into and discover the elixir of life.
4. Antoine Lavoisier is often called the 'Father of Modern Chemistry' for his work on the Law of Conservation of .
5. Describe the significance of John Dalton's atomic theory in the development of chemistry.
6. The Bohr model, shown below, describes electrons orbiting the nucleus in specific energy levels.
True
False
7. Early chemists believed that all matter was composed of four elements: earth, air, fire, and water.
True
False
Match the chemist with their significant contribution.
8. Marie Curie
a. Discovered the electron
9. Dmitri Mendeleev
b. Developed the Periodic Table
10. J.J. Thomson
c. Pioneering research on radioactivity
Use the words below to complete the sentences.
11. Early attempted to create gold from other substances.
12. The Periodic Table arranges by increasing .