Review for the First Term Trimestral

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Across
  1. 1. It is a positive subatomic particle.
  2. 2. A combination of different things that aren't chemically joined.
  3. 4. It is the part of the plant where photosynthesis occurs.
  4. 6. It is made by two or more chemical elements.
Down
  1. 1. It is the process by which green plants and certain other organisms transform light energy into chemical energy.
  2. 3. Green pigment useful in photosynthesis.
  3. 5. It is the smallest unit of matter.