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OCR A Level Physics:Newton’s Law of Gravitation presentation, homework and answers.

This presentation covers OCR Gateway Physics 9-1 P7.1.7 Gravitational and Elastic Energy Energy transfers with links to sport and PE. Employer-mentor links with physics and sports Exam Style Question with worked solutions Rearranging equations Practice Questions with worked solutions

This presentation covers OCR Gateway Physics 9-1 P7.1.3 Work Done, Kinetic and Thermal Energy Comes complete with students activities and fully worked solutions. Energy transfers to thermal store. Thermal energy, equation, and specific heat capacity. Work done equation and kinetic energy equation. Rearranging equations. Applying equations. Student questions with fully worked solutions.

This presentation covers OCR Gateway Physics 9-1 P7.2.1 Electrical Power and Work Done. All presentations come with student activities and worked solutions. Definition of power Converting between W and kW Converting between seconds, minutes, and hours Calculating work done in kWh and J Converting between kWh and J

This presentation covers OCR Gateway Physics 9-1 P8.1.4 Forces in Collisions. All presentations come with student activities and worked solutions. Large accelerations produce large forces. Values of g that cause severe injury or death Road Safety Newton’s First Law and seat belts Crumple zones Force = Mass x Acceleration Acceleration = Change in velocity /Time taken Estimating speed, accelerations and forces involved in large accelerations for everyday road transport.

OCR A level Physics: 21.5 Charging Capacitors Module 6 Particles and Medical Physics This PowerPoint is a whole lesson included with student activities, animated answers, homework questions with answers provided. This lesson covers: Calculating power output from a circuit containing a capacitor A rectifier circuit - changing an alternating input to a smooth output

This presentation covers OCR Gateway Biology 9-1 B1.1.1 Animal and Plant Cells This PowerPoint is a whole lessons included with student activities and animated answers. Cells are the building blocks of living objects. Definition of eukaryotic cells Typical size of eukaryotic cells Subcellular structure of animal cells Subcellular structure of plant cells Organelles and their functions Revision activities (Look, Cover, Write, Check) Print out of animal and plant cells

This presentation covers OCR Gateway Biology 9-1 B1.1.2 Bacterial Cells This PowerPoint is a whole lessons included with student activities and animated answers. Typical size of bacterial cells Subcellular structure of bacterial cells Functions of subcellular structure of bacterial cells Comparing animal, plant, and bacterial cells Revision activity - flash cards Print out of bacterial cell

This presentation includes: Why scientific models change over time Electric charge Rutherford’s atomic model Rutherford’s experiment Bohr’s atomic model

This presentation covers OCR Gateway Biology 9-1 B2.1.2 Osmosis This PowerPoint is a whole lessons included with student activities and animated answers. Definition of osmosis. Explaining water potential and concentration of solution. How cells change during osmosis - turgid, lysis, crenated, plasmolysed

OCR A Level Physics: Gravitational Fields presentation, homework and answers.

This presentation covers OCR Gateway Biology 9-1 B2.2.1 Exchange and Transport This PowerPoint is a whole lessons included with student activities and animated answers. Calculating total surface area of a cube Calculating volume of a cube Calculating surface area to volume ratio Exchange surfaces in the alveoli and villi A large surface area to volume ratio allows diffusion to occur.

This presentation covers OCR Gateway Biology 9-1 B2.2.2 Circulatory System This PowerPoint is a whole lessons included with student activities and animated answers. The circulatory system is a closed system. Recap: Aerobic Respiration Structure of arteries, veins, and capillaries. Blood flows through the heart twice in every circuit of the body - the double circulatory system.

This presentation covers OCR Gateway Biology 9-1 B2.2.3 Heart and Blood This PowerPoint is a whole lessons included with student activities and animated answers. Left and right in the heart The four chambers of the heart Labeling the heart Circulation of blood around the body The components of blood and their functions Plasma Red blood cells White blood cells Platelets

This presentation covers OCR Gateway Biology 9-1 B2.2.6 Factors Affecting Transpiration This PowerPoint is a whole lessons included with student activities and animated answers. Factors that affect the rate of transpiration: Light intensity Temperature Air movement (wind) Humidity. How open stomata increase the rate of transpiration. Graphs of rate of transpiration against different variables. Concentration gradients and rate of transpiration Calculations of the rate of transpiration.

This presentation covers OCR Gateway Biology 9-1 B2.2.5 Transpiration Stream. This PowerPoint is a whole lessons included with student activities and animated answers. Water diffuses into the root hair cells by osmosis. Water moves up the stem through the xylem. Water is lost from leaves by evaporation through open stomata. Labelling the stomata The role of the cuticle How water loss efftects the stomata

Course: OCR Level 3 Alternative Academic Qualification Cambridge Advanced Nationals in Applied Science. Topic Area P1: Electricity - 1.1.4 Series and parallel circuits This PowerPoint is a whole lessons included with student activities and animated answers. Circuit symbols The relationships between currents, voltages and resistances in series and parallel, including how potential difference varies for cells in series. Know Conservation of charge and Kirchoff’s first law Know Conservation of energy and Kirchoff’s second law Solving for resistors in series Solving for resistors in parallel

Course: OCR Level 3 Alternative Academic Qualification Cambridge Advanced Nationals in Applied Science. Topic Area P1: Electricity - 1.1.2 Potential difference and resistance This PowerPoint is a whole lessons included with student activities and animated answers. Know the definition of potential difference, with respect to work done Know the unit of potential difference How resistance is defined by: Resistance (Ω) = potential difference (V) current (A) Know the unit of resistance I-V characteristics of resistor, light-dependent resistor (LDR), filament lamp, thermistor, diode and light-emitting diode (LED) Use of the equation: Potential difference (V) = current (A) × resistance (Ω) Know Ohm’s law Resistance of NTC thermistors with temperature, and resistance of LDRs with light intensity

Course: OCR Level 3 Alternative Academic Qualification Cambridge Advanced Nationals in Applied Science. Topic Area P1: Electricity - 1.1.1. Charge and current This PowerPoint is a whole lessons included with student activities and animated answers. Know the definition of electric current in metals and electrolytes Know the unit of current Conventional current and electron flow Direct current Know the unit of charge Elementary charge, e, including charge of an electron and proton Use of the equation: Charge © = current (A) × time (s)