20-A2.2s

Performing and Recording:  conduct investigations into relationships among observable variables and use a broad range of tools and techniques to gather and record data and information  •  build models depicting the structure of simple covalent molecules, including selected organic compounds (CT-NS2)  • carry out an investigation to determine the melting or boiling point of a molecular substance (PR-NS3)(PR-NS5)   •use a thermometer and a conductivity apparatus to collect data (PR-NS2)   •carry out an investigation to compare the physical properties of molecular substances (PR-NS3)[ICT F1-4.2]