Chain Crosswords Short Nature Easy — Set 10

Easy 11×11 Set 10
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Across
  1. 2. A word related to science
  2. 3. Change from solid to liquid
  3. 4. Curved glass that bends light
  4. 5. Burning ball of gas in space
Down
  1. 1. Basic building block of life
  2. 3. Amount of matter in an object