Revision 0.0 / 5 ? ScienceGCSEAll boards Created by: LucyOMearaCreated on: 14-06-13 20:18 3652417 Across 1. The part of a cell where respiration happens (12) 6. A positively charged atom (6) 7. A negatively charged particle in an atom (8) Down 2. The part of the cell that contains genes (7) 3. The transfer of heat energy through a solid (10) 4. Formed when atoms join together (8) 5. A particle with no charge (7)
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