This presentation covers OCR Gateway Physics 9-1 P5.1.4 Sound in Solids and the Ear. Includes student activities and full worked answers. Structure of the ear. Frequency range of human hearing. Explanation of the limited frequency range of humans. Explanation for hearing deteriorating with age.

This presentation covers OCR Gateway Physics 9-1 P5.2.3 Imaging with Electromagnetic waves. Includes student activities and full worked answers. Careers: Medical Physicist X-rays CT scans Gamma imaging Thermogram Magnetic Resonance Imaging Precautions for using ionising radiation

This presentation covers OCR Gateway Physics 9-1 P3.2.4 Graphs of potential difference (p.d.) and current. Linear circuit element Non-linear circuit element Diodes and Light emitting diode (LED) Current against potential difference graphs How the gradient of a current against potential difference graph relates to resistance Experimental set-up for determining circuit elements How temperature affects resistance in lamps and metal conductors (wires)

This presentation covers OCR Gateway Physics 9-1 P5.1.1b Waves and their properties. Includes student activities and full worked answers. Amplitude Wavelength Frequency Time period Calculating frequency and equation Relationship between frequency and wavelength when speed is constant. Calculating time period from frequency with equations

This presentation covers OCR Gateway Physics 9-1 P6.1.4 Half life All presentations come with student activities and worked solutions. Definition of half-life Radioactive decays are random Finding half-life from a graph Constructing a half-life graph Finding the number of half-lives past using ratios

This presentation covers OCR Gateway Physics 9-1 P6.2.2 Nuclear Fission This PowerPoint is a whole lessons included with student activities and animated answers. Conservation of mass Uranium as a nuclear fission fuel Nuclear fission process Chain reactions in nuclear fission reactions Control rods and moderators in nuclear reactors Benefits and disadvantages of nuclear fission reactors. Mass-Energy Equivalence

This presentation covers OCR Gateway Physics 9-1 P7.1.6 Kinetic and Gravitational Energy Rearranging Gravitational and Kinetic Energy Equations Energy Transfers and conservation of energy Historical Development of physics and pendulums Creating an experiment to prove conservation of energy Exam question with worked solutions Practice questions with worked solutions

This presentation covers OCR Gateway Physics 9-1 P4.2.2 Construction of a motor. Magnetic Field Lines Construction of a commutator How to increase the speed of a motor. Student activities with worked solutions.

This PowerPoint presentation with worked examples and student questions covers: • Acceleration experiment protocol • Ensuring results are reproducible and repeatable Spotting and removing anomalies. Rearranging equations

This PowerPoint presentation with worked examples and student questions covers: • Modelling potential difference and current • Circuit symbols and units • Measuring potential difference • Series and Parallel circuits

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 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 questions covers: • Define melting and boiling point of a pure substance. • Predict the state of matter of substance at certain temperatures. • State what the state of matter is of a substance due to the type of bonding. • Metals, covalent structures, ionic structures and simple molecules.

This PowerPoint presentation with worked examples and student questions covers: • Jobs in Material Science • Bulk properties of metals - malleable and conductors of electricity • Bulk properties of ionic and covalent structures - brittle • Explain why substances conducting electricity depends upon the state of matter

This PowerPoint presentation with worked examples and student questions covers: • State the number of elements in a chemical formula. • Determine the chemical formula from display formula. • Dot and cross diagrams for bonded atoms

This PowerPoint presentation with worked examples and student questions covers: • Identifying metals on the periodic table • Predicting the salt formed in acid metal reactions. • Predicting the salt formed in acid carbonate reactions. • Conservation of mass and state symbols

This PowerPoint presentation with worked examples and student questions covers: • Functional groups of alcohols, alkanes, and alkenes. • Comparing incomplete and complete combustion of alcohols • Mnemonic device for naming alcohols • General formula for alcohols • Drawing the structural formula for alcohols

This presentation covers OCR Gateway Physics 9-1 P3.1.2 Electrical Current Conditions for current to flow Conventional current and electron flow Measuring current with ammeters Current at junctions Converting from mA to A Rearranging equations Determining current and charge flow with equation

This presentation covers OCR Gateway Physics 9-1 P1.2.3 Presentation includes: Instructions for experiment Results table Rearranging of SHC equation Exam style question and answer