OCR AS Chemistry: The Chemistry of Haloalkanes This PowerPoint is a whole lessons included with student activities, animated answers, homework questions with answers provided. This lesson covers: Naming Haloalkanes Classifying Haloalkanes (primary, secondary, tertiary) Electronegativity Reaction mechanism for hydrolysis Rates of reactions for hydrolysis Reaction conditions for hydrolysis

OCR AS Chemistry: 14.2 Reactions of Alcohols This PowerPoint is a whole lessons included with student activities, animated answers, homework questions with answers provided. This lesson covers: Combustion of alcohols Reflux condition for reactions Primary alcohol to aldehydes Primary alcohols to carboxylic acids Secondary alcohols to ketones Dehydration of alcohols Substitution reactions for alcohols

This presentation covers OCR Gateway Physics 9-1 P4.2.1 b Current and Forces. Units for Magnetic Field Strength Converting from mT to T Magnetic Force Equation Rearranging Equations Increasing the force on a current carrying conductor in an external magnetic field. Student questions and worked answers

This presentation covers OCR Gateway Physics 9-1 P7.2.1 Paying for Electricity A unit of electricity being a kilo-watt hour (kWh) Unit cost and calculating costs Energy bills Electrical power Work done = Power x Time Power = Potential Difference x Current

This presentation covers OCR Gateway Physics 9-1 P7.2.3 Power and Specific Heat Capacity. • Energy Transfers • Equations and units • Worked Exam Style Question • Student questions with numerical solutions

These two lesson presentations covers OCR Gateway Physics 9-1 P7.2.4 Thermal conductivity and Cooling Curves Definition for thermal conductivity Energy transfers and conservation of energy Reducing energy dissipation Practical procedure and results analysis

This PowerPoint presentation with worked examples and student questions covers: Choosing equipment with higher resolution Planning an experiment to determine acceleration

This presentation covers OCR Gateway Physics 9-1 P8.2.2 Energy Resources This PowerPoint is a whole lessons included with student activities and animated answers. How use of energy resources have changed over time. (Biofuels, Fossil Fuels, Nuclear, Renewable). How energy use has increased (increase population and development of technology) Explain patterns and trends in the use of energy resources. Fossil fuels are finite and will run out at current consumption levels.

This presentation covers OCR Gateway Physics 9-1 P8.2.3 The National Grid This PowerPoint is a whole lessons included with student activities and animated answers. Structure of the National Grid Step-up and Step-down transformers How transformers increase the efficiency of the National Grid Number of turns and potential difference Current and potential difference in primary and secondary coils

This presentation covers OCR Gateway Physics 9-1 P8.2.4 Mains Electricity This PowerPoint is a whole lessons included with student activities and animated answers. Domestic Electrical Supply being 230 V, AC at 50 Hz. Direct potential difference and alternating potential difference. Reasons for insulation on wires. Potential Difference between different conductors. Function of the earth conductor. Double insulation and no earth wire. Reasons the live wire is dangerous. Reasons why live to earth is dangerous.

This presentation covers OCR Gateway Physics 9-1 P8.3.2 Our Solar System This PowerPoint is a whole lessons included with student activities and animated answers. Structure of the solar system Nuclear Fusion Evolution of large stars Evolution of Sun like stars Gravitational force and force from nuclear fusion

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 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 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: • State processes of the carbon cycle. • Define the word allotrope. • Explain why allotropes have different properties. • Graphite, graphene, and fullerenes

This PowerPoint presentation with worked examples and student questions covers: • Definition of giant covalent structures • An empirical formula shows the simplest whole-number ratio of the atoms of each compound. • Melting and boiling point of simple molecules • Compare physical properties of simple molecules and giant covalent lattices.

This PowerPoint presentation with worked examples and student questions covers: • State the number of electrons in each energy level. • Determine what type of ion an atom would form. • Calculate the ionic charge an atom would form with use of the periodic table. • Groups number, outer shell electrons, dot and cross diagrams

This PowerPoint presentation with worked examples and student questions covers: • Definition for exothermic and endothermic • Examples of exothermic and endothermic reactions • Practical procedure for NaOH(aq) + HCl(aq) → NaCl(aq) + H2O(l) • Determining if experimental evidence show a exothermic or endothermic reaction

This PowerPoint presentation with worked examples and student questions covers: • pH 0 - 14 scale with household examples • Definitions for acids, bases and alkali substances • Universal indicator and pH probes • Using equalities and inequalities

This PowerPoint presentation with worked examples and student questions covers: • Definition of Alkali Metals • Properties of Alkali Metals • Trends and anomalies in Group 1 (Density, Melting Point) • Reactivity of Group 1 Alkali Metals • Electron configuration of Group 1 Alkali Metals