9 1 7/8 2.4 Formulations Identify formulations appropriate C2.1 Worksheets 2.4.1 and Quick starter information. Homework 2.4.2 Explain the particular purpose of each worksheet chemical in a mixture. Homework quiz Explain how quantities are carefully measured for formulation. 9 1 9/10 2.5 Chromatography Explain how to set up chromatography C2.1 Practical sheet 2.5, Quick starter (HT) paper. Worksheet 2.5, Technician’s Homework Distinguish pure from impure substances. notes 2.5 worksheet Interpret chromatograms and calculate Rf Homework quiz values. (HT) Homework quiz – higher Video 9 1 9/10 2.6 Practical: Describe the safe and correct manipulation C2.1 Practical sheets 2.6.1 Quick starter Investigate how of chromatography apparatus and how Homework and 2.6.2; Technician’s paper accurate measurements are achieved. worksheet notes 2.6 chromatography can Make and record measurements used in Homework quiz be used in forensic paper chromatography. science to identify Calculate Rf values. an ink mixture used in a forgery 9 1 9/10 2.7 Maths skills: Use an Measure distances on chromatograms C2.1 Presentation 2.7 Quick starter appropriate number Calculate Rf values Homework of significant figures Record Rf values to an appropriate number worksheet of significant figures Homework quiz 9 1 11/12 2.8 Comparing metals Recall a number of physical properties of C2.2 Practical sheet 2.8; Quick starter and non-metals metals and non-metals. Homework Technician’s notes 2.8; Describe some chemical properties of worksheet Worksheet 2.8; metals and non-metals. Homework quiz Presentations 2.8.1 and Explain the differences between metals and 2.8.2 non-metals on the basis of their characteristic physical and chemical properties.
9 1 7/8 2.4 Formulations Identify formulations appropriate information. Explain the particular purpose of each chemical in a mixture. Explain how quantities are carefully measured for formulation. C2.1 Worksheets 2.4.1 and 2.4.2 Quick starter Homework worksheet Homework quiz 9 1 9/10 2.5 Chromatography (HT) Explain how to set up chromatography paper. Distinguish pure from impure substances. Interpret chromatograms and calculate Rf values. (HT) C2.1 Practical sheet 2.5, Worksheet 2.5, Technician’s notes 2.5 Quick starter Homework worksheet Homework quiz Homework quiz – higher Video 9 1 9/10 2.6 Practical: Investigate how paper chromatography can be used in forensic science to identify an ink mixture used in a forgery Describe the safe and correct manipulation of chromatography apparatus and how accurate measurements are achieved. Make and record measurements used in paper chromatography. Calculate Rf values. C2.1 Practical sheets 2.6.1 and 2.6.2; Technician’s notes 2.6 Quick starter Homework worksheet Homework quiz 9 1 9/10 2.7 Maths skills: Use an appropriate number of significant figures Measure distances on chromatograms Calculate Rf values Record Rf values to an appropriate number of significant figures C2.1 Presentation 2.7 Quick starter Homework worksheet Homework quiz 9 1 11/12 2.8 Comparing metals and non-metals Recall a number of physical properties of metals and non-metals. Describe some chemical properties of metals and non-metals. Explain the differences between metals and non-metals on the basis of their characteristic physical and chemical properties. C2.2 Practical sheet 2.8; Technician’s notes 2.8; Worksheet 2.8; Presentations 2.8.1 and 2.8.2 Quick starter Homework worksheet Homework quiz