Coursework A - The 30 Mandatory Experiments
Learn the experiment details... but more importantly... Understand how they explain the World around you.
Watch a summary of all the experiments by clicking here or study each one in detail below the videos
Watch a summary of all the experiments by clicking here or study each one in detail below the videos
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Separating Mixtures
![Picture](/uploads/8/9/2/5/8925140/5178757.jpg?1318873178)
OC2 separate mixtures using a variety of techniques: filtration, evaporation, distillation and paper chromatography.
OC32 carry out a simple distillation, and obtain a sample of water from sea-water
Growing Crystals
![Picture](/uploads/8/9/2/5/8925140/9576506.jpg?1318873245)
OC15 investigate the solubility of a variety of substances in water and the effect of temperature on solubility.
OC16 examine the difference between a dilute, concentrated and saturated solution
OC17 grow crystals using alum or copper sulfate
Acids and Bases and the pH Scale
![Picture](/uploads/8/9/2/5/8925140/4961995.jpg?1318873296)
OC18 use litmus or a universal indicator to test a variety of solutions, and classify these as acidic, basic or neutral
OC19 investigate the pH of a variety of materials using the pH scale
pH
Components of the Atmosphere
![Picture](/uploads/8/9/2/5/8925140/3355621.jpg?1318873333)
OC22 show that approximately one fifth of the air is oxygen; show that there is CO2 and water vapour in air
Oxygen
![Picture](/uploads/8/9/2/5/8925140/5147716.jpg?1318873385)
OC24 prepare a sample of oxygen by decomposing H2O2 using MnO2 as a catalyst (word equation and chemical equation)
Oxygen
Carbon Dioxide
![Picture](/uploads/8/9/2/5/8925140/4670184.jpg?1318873423)
OC27 prepare carbon dioxide (word equation and chemical equation), and show that it does not support combustion
Carbon Dioxide
Hydrogen
![Picture](/uploads/8/9/2/5/8925140/3812254.jpg?1318873481)
OC51 investigate the reaction between zinc and HCl, and test for hydrogen (word equation and chemical equation)
Hydrogen
Water, Dissolved Solids and Hardness
![Picture](/uploads/8/9/2/5/8925140/2333357.jpg?1318873526)
OC30 conduct a qualitative experiment to detect the presence of dissolved solids in water samples, and test water for hardness (soap test)
Acid/Base Titrations
![Picture](/uploads/8/9/2/5/8925140/3704016.jpg?1318873555)
OC38 titrate HCl against NaOH, and prepare a sample of NaCl
Titration
Rusting
![Picture](/uploads/8/9/2/5/8925140/4861819.jpg?1318873589)
OC46 carry out an experiment to demonstrate that oxygen and water are necessary for rusting
Rusting
Density and Flotation
![Picture](/uploads/8/9/2/5/8925140/7480766.jpg?1318873630)
OP2 measure mass and volume of a variety of solids and liquids and hence determine their densities
Hooke's Law
![Picture](/uploads/8/9/2/5/8925140/2589505.jpg?1318873694)
OP6 investigate the relationship between the extension of a spring and the applied force
Springs
Energy Conversions
![Picture](/uploads/8/9/2/5/8925140/9469970.jpg?1318873728)
OP20 identify different forms of energy and carry out simple experiments to show the following energy conversions:
OP21 give examples of energy conversion from everyday experience.
- chemical energy to electrical energy to heat energy
- electrical energy to magnetic energy to kinetic energy
- light energy to electrical energy to kinetic energy
OP21 give examples of energy conversion from everyday experience.
Energy Conversions
Expansion and Contraction
![Picture](/uploads/8/9/2/5/8925140/7066112.jpg?1318873764)
OP23 investigate and describe the expansion of solids, liquids and gases when heated, and contraction when cooled
Expansion
Conduction, Convection and Radiation
![Picture](/uploads/8/9/2/5/8925140/4938310.jpg?1318873813)
OP31 carry out simple experiments to show the transfer of heat energy by conduction, convection and radiation; investigate conduction and convection in water
Light and Shadows
![Picture](/uploads/8/9/2/5/8925140/7939143.jpg?1318873853)
OP34 show that light travels in straight lines and explain how shadows are formed
Light
Reflection of Light
![Picture](/uploads/8/9/2/5/8925140/4263578.jpg?1318873892)
OP38 investigate the reflection of light by plane mirrors, and illustrate this using ray diagrams; demonstrate and explain the operation of a simple periscope
Reflections
Magnetism
![Picture](/uploads/8/9/2/5/8925140/6759828.jpg?1318873929)
OP46 plot the magnetic field of a bar magnet
Magnets
Conductors and Insulators
![Picture](/uploads/8/9/2/5/8925140/9977634.jpg?1318873975)
OP49 test electrical conduction in a variety of materials, and classify each material as a conductor or insulator
Conductors and Insulators
Ohms Law V=IR
![Picture](/uploads/8/9/2/5/8925140/7520457.jpg?1318874017)
OP50 set up a simple electric circuit, use appropriate instruments to measure current, potential difference (voltage) and resistance, and establish the relationship between them
Ohm's Law
Food Tests
![Picture](/uploads/8/9/2/5/8925140/1486187.jpg?1318874061)
OB3 carry out qualitative food tests for starch, reducing sugar, protein and fat
Chemical Energy in Food
![Picture](/uploads/8/9/2/5/8925140/1139397.jpg?1318874087)
OB5 investigate the conversion of chemical energy in food to heat energy
Energy in Food
Enzymes and Digestion
![Picture](/uploads/8/9/2/5/8925140/5035748.jpg?1318874126)
OB8 investigate the action of amylase on starch; identify the substrate, product and enzyme
Amylase
Inhaled and Exhaled Air
![Picture](/uploads/8/9/2/5/8925140/1273184.jpg?1318874181)
OB11 carry out qualitative tests to compare the carbon dioxide levels of inhaled and exhaled air
Breathing
Identifying Living Things
![Picture](/uploads/8/9/2/5/8925140/9192582.jpg?1318874218)
OB39 investigate the variety of living things by direct observation of animals and plants in their environment; classify living organisms as plants or animals, and animals as vertebrates or invertebrates
Living Things
Cells and the Microscope
![Picture](/uploads/8/9/2/5/8925140/4018829.jpg?1318874249)
OB42 identify, and understand the functions of, the main parts of a microscope (light microscope only) and use it to examine an animal cell and a plant cell
OB43 draw one example each of an animal cell and a plant cell, identifying the nucleus, cytoplasm and cell wall (plant cell), and indicate the position of the cell membrane
OB44 prepare a slide from plant tissue and sketch the cells under magnification
OB43 draw one example each of an animal cell and a plant cell, identifying the nucleus, cytoplasm and cell wall (plant cell), and indicate the position of the cell membrane
OB44 prepare a slide from plant tissue and sketch the cells under magnification
Slides
Photosynthesis
![Picture](/uploads/8/9/2/5/8925140/986797.jpg?1318874276)
OB49 show that starch is produced by a photosynthesising plant
Photosynthesis
Germination
![Picture](/uploads/8/9/2/5/8925140/7309736.jpg?1318874341)
OB58 investigate the conditions necessary for germination
Germination
Habitat Study
![Picture](/uploads/8/9/2/5/8925140/6947697.jpg?1318874370)
OB59 study a local habitat, using appropriate instruments and simple keys to show the variety and distribution of named organisms
Habitat Study
Micro-organisms
![Picture](/uploads/8/9/2/5/8925140/7291079.jpg?1318874406)
OB65 investigate the presence of micro-organisms in air and soil