DISPLAY AND EXPERIMENTAL

• A Bell System 
• History of Shells 
• A Chemical Change 
• Types of Fuels 
• A Crystal Radio Set 
• Heat can Produce Electricity 
• Action of a Solenoid 
• Fire Must Have Air to Burn 
• A Door Chime 
• How Electricity is Made 
• Air Currents 
• Climate 
• An Electronic Map of Canada 
• Electric Eye 
• Weaving and Sewing Techniques 
• ElectroMagnetism 
• A Projector 
• Fluorescent Lights 
• Measuring the Ocean Depths 
• Functions of a Camera 
• Measuring Outer Space 
• Glass and its Uses 
• Model Airplanes 
• How to Develop a Picture 
• Molding 
• How Traffic Signals Work 
• Most Liquid contain either Acid or Alkali 
• Inside a Cave 
• Manufacturing Machinery 
• Operation of a Doorbell 
• Mercury 
• Parts of an Electric Motor 
• Minerals: Origin, Distribution 
• The Arc Light 
• A string Pump in action 
• Our Community Planning 
• A Weather Station 
• Our Solar System 
• A Cotton Gin 
• Phases of the Moon 
• A Wheat Elevator 
• Printing and its value to Man 
• Cross Section of a volcano 
• Salt and its Uses 
• Cross Section of an Oil Well 
• Weather and Man 
• Cross Section of the Earth 
• Simple Machines 
• Distillation of Water 
• Sound 
• Power & Food From the Sea 
• Sulfur 
• An ElectroMagnetic 
• Fingerprinting 
• Expansion and Contracting Of Liquids 
• The Telegraph Key 
• Man's Natural Resources 
• Which Metals Conduct Heat? 
• Rotation of Planets 
• The Telephone 
• Sending Messages by Electricity 
• Train Signal 
• Light 
• Water finds its own level 
• Snowflakes 
• Water Supports Heavy Weights 
• Space Travel is Coming 
• An Electromagnetic Crane 
• Space Problems in Gravity 
• Machines and Tools 
• Steam Propulsion 
• Parts of a SailBoat 
• Steam Turbines 
• Parts of a Windmill 
• The Fulcrum and the Lever 
• Polar Constellations 
• The Planets 
• Principles of a Transformer 
• Water is Compound of Hydrogen & Oxygen 
• Products of Oil 
• Jet Propulsion, Natural and Man-Made 
• Working Principles of a Gasoline Engine 
• The Quartz Family 
• Working of a Telegraph 
• A Reed Basket 
• Workings of a Television 
• Camera 
• Workings of an Irrigation Pump 
• Air Pressure in a Mercury Barometer 
• Machines Made Work Easier 
• Astronomy 
• Birth of a Balloon 
• The Blinker Light 
• Causes of the Seasons 
• Bulbs in Series and Parallel 
• The Climate of your own Home 
• Chemurgy 
• Chlorophyll 
• Canals and Locks 
• Contour Mapping 
• Using a Compass 
• Weather Instruments -ForeCasting 
• Minerals 
• How Accurate are Homemade Weather Instruments? 
• Water Cycle 
• Rocks 
• How Hard are Various Types of Rocks and Minerals? 
• Mining - coal, iron ore, etc. 
• Petroleum and Oil 
• Erosion - What causes erosion? - How can soil erosion be prevented? 
• Air Pollution - causes and cleanup 
• Water Pollution 
• Forces changing the Earth's Surface 
• Precipitation 
• Water Filtration 
• The City of the Future 
• A Study of a Stream 
• The River 
• Topographic Mapping 
• Tides 
• EarthQuakes and Associated measuring devices Hurricanes 
• Collect and Identify minerals and rocks exposed in local area. 
• Floods 

• -demonstration of principals; how is current affected by type of conductor,temperature,filament,etc. 
• -compare electromagnets for strength, wires for conductivity. 
• -principles of fluorescent lights; how do they compare with filament bulbs, in effectiveness and cost. 

• -How metals compare in conducting heat. 
• -How metals compare in density and buoyancy 
• -Efficiency of different types of steam engines 
• -How does the amount of oxygen affect the rate of burning? 
• -Does Temperature affect Solubility? 
• -Are some substances more soluble than others 
• -How do Aeorplanes fly? What is the best wing shape? 
• -How do waves carry energy 
• -How do magnets work? How are they made? 
• -Compare densities of different gases 
• -How Light is Affected passing through water e.g. viewing objects under water, formation of rainbows. 
• -What limits the speed of a boat, a truck transport. 

• -Chemical Change and the factors that affect the rate such as heat. light and catalysts 
• -Acid and basic solutions, how are they produced, how can they be modified; practical considerations in soil, lakes, food; acid or basic solutions around the house. 
• -Factors affecting the making of glass. 
• -The effects of salts on the freezing point of water and other liquids. 

• Day Length - record length of days and nights over a period of time; what effects do the changes have on things like household plants, pets, etc. 
• Air Movement - Is air in your house the same temperature at floor level and near the ceiling? How could you spread heat more evenly through the house? 
• Dew & - Does it form on clear or cloudy nights? What other 
• Frost factors increase the amount of dew? Can you measure how much dew is formed in a square meter. 
• Temp. - How does the temperature change during the day? What time is usually the warmest? Can you construct your own thermometer to keep your own records. 
• Rain - How does a rain gauge work? Measure the rainfall over a period of time and compare it with the daily weather reports. - Principles of cloud seeding and other weather modification. 

• Insects -personal observations on life cycle, feeding habitats, population, flies, bees, butterflies. 
• Nutrition - plants and fertlilzer 
• Studies - how pet mice respond to different types of food (pellets, crushed, solid) - how do plants get nitrogen 
• Plants - why do plants grow towards light? - the effects of gravity on seed germination - how water moves through the plant - how plants reproduce and factors that affect the process - why do plants move? 
• Soil - the importance of earthworms to soil and plants - the effect of soil components and organic matter on growth of plants. 
• Field Studies - plant and animal life in the school grounds, a creek or stream, a grassy field, a tree, a home garden, a balanced aquarium, during winter. - diets of various animals