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Course: OCR Level 3 Alternative Academic Qualification Cambridge Advanced Nationals in Applied Science. Unit F181: Science in society Topic Area 1.4 The role of scientists This PowerPoint is a whole lessons included with student activities and animated answers.

Course: OCR Level 3 Alternative Academic Qualification Cambridge Advanced Nationals in Applied Science. Unit F181: Science in society Topic Area 1.1 The skills of scientists This PowerPoint is a whole lessons included with student activities and animated answers.

Course: OCR Level 3 Alternative Academic Qualification Cambridge Advanced Nationals in Applied Science. Unit F181: Science in society Topic Area 1.2 The Scientific Method This PowerPoint is a whole lessons included with student activities and animated answers.

Course: OCR Level 3 Alternative Academic Qualification Cambridge Advanced Nationals in Applied Science. Unit F181: Science in society Topic Area 1.3 The Scientific Community This PowerPoint is a whole lessons included with student activities and animated answers.

This presentation covers OCR Gateway Biology 9-1 B3.1.1 Nervous System. This PowerPoint is a whole lessons included with student activities and animated answers. The five main senses The three main stages to a nervous response The role of receptor cells The role of the CNS (Central Nervous System) The three main types of neurones and their role.

This presentation covers OCR Gateway Biology 9-1 B2.2.4 Plant Transport Systems. This PowerPoint is a whole lessons included with student activities and animated answers. Structure and function of xylem. Structure and function of phloem. Water enter the plant from the root hair cells by osmosis. Mineral ions enter the plant from the root hair cells by active transport. Sugars are produced in the leaves (chloroplasts) during photosynthesis.

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

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 B2.2.2 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 B2.2.1 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 B2.1.6 Stem Cells This PowerPoint is a whole lessons included with student activities and animated answers. Stem cell donation registration process Stem cells are undifferentiated cells. Describe the difference between adult and embryonic stem cells. Stem cells are found in plant meristems Explain why stem cells are used in medicine.

This presentation covers OCR Gateway Biology 9-1 B2.1.5 Cell Differentiation This PowerPoint is a whole lessons included with student activities and animated answers. Describing the structure of the following cells: Sperm cell Fat cell Red blood cells Ciliated cells Palisade cells

This presentation covers OCR Gateway Biology 9-1 B2.1.4 Mitosis This PowerPoint is a whole lessons included with student activities and animated answers. The cell cycle DNA replication Movement of chromosomes Cytokinesis (cell division) Growth of daughter cells.

This presentation covers OCR Gateway Biology 9-1 B2.1.3 Active Transport This PowerPoint is a whole lessons included with student activities and animated answers. Definition of active transport Key features of active transport Against concentration gradient. ATP and respiration Protein carriers in cell membrane Active transport in plant cells - root hair cells Active transport and protein carriers

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

This presentation covers OCR Gateway Biology 9-1 B1.4.3 Factors Affecting Photosynthesis This PowerPoint is a whole lessons included with student activities and animated answers. Definition for rate of photosynthesis The rate of photosynthesis affects the rate of biomass Limiting factors include, light level, carbon dioxide concentration, and temperature. Graphs for rate of photosynthesis against light level, carbon dioxide concentration, and temperature. Plotting data graphs. Exam questions.

This presentation covers OCR Gateway Biology 9-1 B1.4.4 Interaction of limiting factors This PowerPoint is a whole lessons included with student activities and animated answers. Experimental procedures to investigate how the rate of photosynthesis is affected by: Light level Temperature Carbon dioxide concentration Inverse square law for relative light intensity

This presentation covers OCR Gateway Biology 9-1 B2.1.1 Diffusion This PowerPoint is a whole lessons included with student activities and animated answers. Definition of diffusion from high concentration to lower concentration. What diffuses in and out of cells. How the rate of diffusion is affected by distance, surface area, and concentration gradient. How the human body has adapted to increase the rate of diffusion.

This presentation covers OCR Gateway Biology 9-1 B1.3.3 Anaerobic Respiration This PowerPoint is a whole lessons included with student activities and animated answers. Recap of aerobic respiration Conditions for anaerobic respiration Word equation for anaerobic respiration in mammals Lactic acid and its affects. Oxygen debt Comparing aerobic and anaerobic respiration in mammals. Anaerobic respiration in plants - fermentation. Fermentation word equation and symbol equation. Exam questions.