This PowerPoint presentation with worked examples and student questions covers: • Dalton, Thomson, Rutherford and Bohr’s models • Comparing different scientific models of the atom

This PowerPoint presentation with worked examples and student questions covers: • Relative atomic mass • Understanding chemical formulas • Relative formula mass

This PowerPoint presentation with worked examples and student activities covers: Topic 1.3 of Science Fundementals of the OCR Applied Science Spec. Elements react together to form compounds by i.e. ionic bonding covalent bonding

This PowerPoint presentation with worked examples and student questions covers: • Calculate empirical formula and by finding the simplest whole-number ratio • Calculate relative formula mass from balanced equations.

This PowerPoint presentation with worked examples and student activities covers: Topic 1.2 of Science Fundementals of the OCR Applied Science Spec. Elements are based on atomic structure and can be classified by the Periodic Table i.e.: organisation of elements within the table groups periods atomic number atomic mass atomic radius

This PowerPoint presentation with worked examples and student questions covers: Definitions for solution, solute, solvent, insoluble, soluble. The technique of filtration The technique of crystallisation

This PowerPoint presentation with worked examples and student questions covers: Definitions of pure and impure substances Definition of an alloy Identification of purity with melting points Plotting graphs and data analysis

This PowerPoint presentation with worked examples and student questions covers: • Definition of technique for paper chromatography • Experimental procedure • Definitions of stationary and mobile phase • Application of Rf equation with examples and answers

This PowerPoint presentation with worked examples and student activities covers: Topic 6.2 of Module 1: Science Fundamentals of the OCR Applied Science Spec. Structure of metals, giant covalent, and simple molecular structures. Properties of metals, giant covalent, and simple molecular structures. Forces and bonds of metals, giant covalent, and simple molecular structures. Phase diagrams – interpreting and calculating changes. Sublimation and phase diagrams.

This PowerPoint presentation with worked examples and student activities covers: Topic 6.1 of Module 1: Science Fundamentals of the OCR Applied Science Spec. • Interpreting laboratory tests for stress-strain graphs and Young’s modulus • Awareness that repeated loading cycles may cause failure by fatigue below the yield strength • Use of diagrams to understand that the way molecules are arranged in polymers determines the properties: chain length, crosslinking, use of plasticizers and crystallinity. • Use and rearranging of the density equation.

This PowerPoint presentation with worked examples and student questions covers: • Changes of state • The technique of simple distillation • Concentration of solute increasing in distillation • Jobs related to chemistry • Key word test Insoluble, Soluble, Solvent, Solute, Solution, Distillation, Filtration, and Crystallisation

This PowerPoint presentation with worked examples and student questions covers: • Choosing the correct separation technique • Comparisons of mobile and stationary phases for chromatography • Rf Values • Analysing chromatographs in gas chromatography

This PowerPoint presentation with worked examples and student questions covers: • Experimental Procedure for Thin Layer Chromatography • Analysing and calculating Rf Values • Pros and cons of paper and TL chromatography • Experimental procedure for Gas Chromatography • Persuasive writing and embedding literacy in science

This PowerPoint presentation with worked examples and student activities covers: Topic 4.2 of Module 1: Science Fundamentals of the OCR Applied Science Spec. Determining the empirical formula for compounds Draw monomers and repeat units using structural and skeletal formula of the following polymers: Polyethene​ Polypropene​ Polylactate​ Polystyrene​ Polyvinyl chloride (PVC)

This PowerPoint presentation with worked examples and student questions covers: • Electrons reside in energy levels (shells) around the nucleus • The electronic configuration of elements up to 20 is 2,8,8,2 • Groups and periods of the periodic table • Drawing electron configurations

This PowerPoint presentation with worked examples and student questions covers: • Using the periodic table to identify metals and non-metals • Different properties of metal and non-metals (Appearance, melting and boiling point, state of matter at room temperature, ductility, and malleability). • Exceptions of physical properties (mercury being liquid and carbon conducting electricity).

This PowerPoint presentation with worked examples and student questions covers: • Dot and cross diagrams of simple molecules • Simple molecules form covalent bonds • The group number on the periodic table informs us how many electrons are in the outer shell. • Groups on the periodic table