PUZZLE CORNER

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Across
  1. 6. An optical device used to study celestial bodies.
  2. 7. A state of matter that is fluid and takes the shape of its container.
  3. 8. Discovering or uncovering something unknown for the first time.
  4. 10. The infinite void that encompasses everything.
Down
  1. 1. The process by which chemical substances interact and undergo change.
  2. 2. The effort to understand the structure of the universe through experiment and observation.
  3. 3. The smallest building block of living things.
  4. 4. A systematic way of thinking developed to explain a phenomenon
  5. 5. Everything that has mass and volume
  6. 9. red planet in the solar system