Across
- 1. Scientific knowledge is built through systematic studies, which involve observation, __________ and analysis.
- 3. Alessandro Volta invented the first __________.
- 5. Scientific __________ have greatly improved our quality of life.
Down
- 2. Scientists discovered microorganisms with the use of __________ in the 17th century.
- 4. Science enables us to better understand how the natural world works.
- 6. Scientists accept an idea only with the support of __________.