F1

123456
Across
  1. 1. Scientific knowledge is built through systematic studies, which involve observation, __________ and analysis.
  2. 3. Alessandro Volta invented the first __________.
  3. 5. Scientific __________ have greatly improved our quality of life.
Down
  1. 2. Scientists discovered microorganisms with the use of __________ in the 17th century.
  2. 4. Science enables us to better understand how the natural world works.
  3. 6. Scientists accept an idea only with the support of __________.