Redeemer University College


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Topics Covered

DVD 1
1. Introduction 1.1. Introduction to series 1.2. Why do science demonstrations? 1.3. Tips for doing science demonstrations 1.4. Acknowledgements 1.5. Basic lab equipment 1.6. Heat sources 1.7. Common chemicals 1.8. Solvents 1.9. Distribution of chemicals 1.10. Working with glass tubing Return to Top
2. Properties of Matter 2.1. Compressibility of gases, liquids and solids 2.2. Boiling points of water and methanol 2.3. Vaporization of water 2.4. Melting of Ice 2.5. Sublimation of mothballs 2.6. Diffusion in gases 2.7. Diffusion in liquids 2.8. One volume + one volume = two volumes?? 2.9. Shrinking liquid - Watch Demo Return to Top
3. Properties of Water 3.1. Expansion of ice 3.2. Lifting an ice cube 3.3. Cold ice 3.4. Wire through ice 3.5. Raising boiling point by adding salt 3.6. Floating metal objects on water 3.7. Scattered chalk dust 3.8. Centering a cork in a glass of water 3.9. Adding pennies to a full glass of water - Watch Demo 3.10. Pouring water along a string 3.11. Capillary action 3.12. Three become one 3.13. Holey nylon 3.14. Inverted bottles of water 3.15. Coloured streamers 3.16. Which contains warm water? 3.17. Maximum density of water Return to Top
4. Density 4.1. Introduction 4.2. Density of liquids 4.3. Density of solids 4.4. Volume by displacement 4.5. Floating and sinking candles 4.6. Regular vs diet Coke 4.7. Floating egg 4.8. Ice, water and oil 4.9. Layered liquids 4.10. Non-level liquid 4.11. Convection currents in water 4.12. Cartesian diver Return to Top
5. Sound 5.1. Sources of sound 5.2. Using a tuning fork 5.3. Vibrating metal 5.4. Dancing salt 5.5. Pitch and frequency 5.6. Sounding board 5.7. Transmission of sound 5.8. Sound amplifier using a funnel 5.9. Ringing church bell 5.10. String telephone 5.11. Sound through bone 5.12. Listening through a solid 5.13. Measuring sound intensity 5.14. Resonating air column 5.15. Using a slinky to represent longitudinal waves Return to Top
DVD 2
6. Air Pressure 6.1. The plugged funnel 6.2. Air occupies space 6.3. Dry paper under water 6.4. Transferring air under water 6.5. Air candle snuffer 6.6. Paper seal 6.7. Siphon 6.8. Perpetual fountain 6.9. Collapsing pop can - Watch Demo 6.10. Collapsing can 6.11. Heavy newspaper 6.12. Self-filling beaker 6.13. Inflating a balloon using reduced pressure 6.14. Finger controlled water flow 6.15. Air has mass 6.16. Fountain in a flask 6.17. Egg into a flask 6.18. Sticky plungers Return to Top
7. Heat 7.1. Conduction of different metals 7.2. Ball and ring 7.3. Bimetallic strip 7.4. Conductivity of copper and wood 7.5. Convection in air – smoke box 7.6. Convection in air – pop bottle 7.7. Heat and molecular motion 7.8. Temperature and heat 7.9. Expansion of liquids 7.10. Squeezing a glass bottle 7.11. Air thermometer 7.12. Liquid thermometer 7.13. Radiant heat energy 7.14. Convection currents in water 7.15. Convection in water 7.16. Heating water in a paper container 7.17. Ice in boiling water - Watch Demo 7.18. Wire candle snuffer 7.19. Burning money 7.20. Thermos bottle 7.21. Insulation 7.22. Expansion of wire 7.23. Drinking bird Return to Top
8. Light 8.1. Light sources 8.2. Making laser light visible 8.3. Transparent, translucent, opaque 8.4. Supplies for student activities 8.5. Law of reflection (using a laser) 8.6. Law of reflection (using pins) 8.7. Locating the image in a plane mirror 8.8. Reflection using a concave mirror 8.9. Refraction (using a laser) 8.10. Refraction through a bottle (using pins) 8.11. Refraction through a convex lens 8.12. Disappearing coin 8.13. Apparent depth 8.14. Spectrum of white light 8.15. Scattering of light: why is the sky blue? 8.16. Scattering of light using milk 8.17. Optical illusion using two mirrors 8.18. Optical illusions Return to Top
DVD 3
9. Static Electricity 9. Static Electricity 9.1. Sticky balloons 9.2. Bending a stream of water 9.3. Charged objects: attraction and repulsion 9.4. Suspended aluminum ball 9.5. Jumping bits of paper and aluminum foil 9.6. Jumping salt and pepper 9.7. Rolling can 9.8. Simple electroscope Return to Top
10. Current Electricity 10.1. Measuring an electric current 10.2. A lemon cell 10.3. Clock powered by an electrochemical cell 10.4. Using a magnet to generate electricity 10.5. A circuit board: parallel and series circuits 10.6. A circuit board for teacher demonstrations 10.7. A simple fuse 10.8. Conduction tester 10.9. Electric heat 10.10. Electromagnet 10.11. Drawing circuit diagrams 10.12. A battery-less flashlight Return to Top
11. Magnetism 11.1. Types of magnets 11.2. Suspended magnet: attraction and repulsion 11.3. Making a needle into a magnet 11.4. Testing for magnetic properties 11.5. Magnetic force lines using iron filings 11.6. Magnetizing iron filings - Watch Demo 11.7. Induced magnetism Return to Top
12. Solutions 12.1. Solutions and mixtures 12.2. Types of solutions 12.3. Rate of dissolution 12.4. Unsaturated, saturated and supersaturated 12.5. Identification of gas in pop 12.6. Amount of carbon dioxide in pop 12.7. Concentration of solutions (ppm) 12.8. Cleaning dirty water using alum Return to Top
13. Chemistry 13.1. Preparation of limewater 13.2. Physical and chemical changes 13.3. Foam production 13.4. Blowing up a balloon using a chemical reaction 13.5. Carbon dioxide as a fire extinguisher 13.6. Products of combustion 13.7. Phenolphthalein indicator 13.8. Invisible ink 13.9. Red cabbage indicator 13.10. Mystery colour changes 13.11. Percentage of oxygen in air 13.12. Methanol cannon 13.13. Testing common household powders 13.14. Oxygen gas from hydrogen peroxide 13.15. Hydrogen gas from aluminum foil and drain cleaner 13.16. Flubber 13.17. Dust explosion - Watch Demo 13.18. Burning steel wool 13.19. Absorbent polymer 13.20. Skewered balloon Return to Top
DVD 4
14. Fluids in Motion 14. Fluids in Motion 14.1. Smoke ring box 14.2. Lifting by blowing 14.3. Blowing into a /\-shaped paper 14.4. Blow together 14.5. Anti-gravity funnel - Watch Demo 14.6. Filling a large bag with one breath of air 14.7. Suspended ping pong ball in stream of air 14.8. Water sprayer 14.9. Blowing through a bottle 14.10. Coloured rings in water 14.11. Hydraulics 14.12. Transfer ping pong ball Return to Top
15. Motion 15.1. Inertia 15.2. Simple examples of inertia 15.3. Fresh or boiled egg? 15.4. Falling ball and paper 15.5. Falling pennies 15.6. Water rocket 15.7. Alka-Seltzer rocket - Watch Demo 15.8. Balloon rocket 15.9. Radiometer 15.10. Rotating water bottle Return to Top
16. Forces, Work and Simple Machines 16.1. Mass and weight 16.2. Buoyant force 16.3. Magnetic force 16.4. Force of friction 16.5. Electrostatic force 16.6. Centrifugal and centripetal forces 16.7. The weird meter stick 16.8. Work: a scientific definition 16.9. A cart to study work 16.10. Inclined plane 16.11. Levers: an introduction 16.12. First class lever 16.13. Second class lever 16.14. Third class lever 16.15. Law of the Lever 16.16. Classes of levers – some examples 16.17. Pulleys 16.18. Wheel and axle 16.19. Screw 16.20. Wedge 16.21. Obedient can 16.22. Balancing nails Return to Top
17. Earth Science 17.1. Day and night 17.2. Seasonal changes 17.3. Eclipse by the moon 17.4. Leaching of soil 17.5. Model of a geyser Return to Top
18. Weather 18.1. Cloud formation in a bottle 18.2. Measuring air pressure using a barometer 18.3. Relative humidity 18.4. Hair hygrometer 18.5. Dew point 18.6. Frost formation 18.7. Temperature inversion 18.8. Tornado cloud Return to Top