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Melting Ice
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Ice cube 1 The melting of ice into water: ice cube on a plate |
Iced drink 1 The melting of ice into water: ice cube in a soft drink |
Growing Plants
The growth of a plant in terms of the necessary environmental conditions and the interdependency of the plant and its root structure.
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Plant 1 Full model |
Keeping Healthy
The decline of a population as affected by the percentages of people who smoke, eat excessively or take regular exercise.
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Health & smoking Population decline as affected by percentages of smokers |
Health & eating Population decline as affected by those eating excessively |
Health & exercise Population decline as affected by those who exercise |
Body Temperature Balance
A greatly simplified model to describe some of the factors, which govern the human body's ability to maintain a stable temperature.
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Body Temperature 1 Full model |
Body Temperature 2 Convection |
Body Temperature 3 Evaporation |
Predators and Prey
Various models observing the cycles of two populations (predator and prey) noting how they affect the size of each group.
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Predator-prey Foxes Foxes & Rabbits |
Predator-prey Owls Owls & Mice |
Predator-prey Sharks Sharks & Fish |
Simple Electric Circuits
Models examining the relationship between voltage, current and resistance.
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Circuit 3B 1, 2 or 3 Bulbs in series |
Circuit RV Variable Resistor |
Circuit EM Electromagnetic |
Forces in Action
The force of gravity on a range of different masses where the strength of gravity can be adjusted to simulate the effect of moving to the Moon or to another planet.
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Forces 1 The force of gravity on a range of different masses |
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Pulling a Sledge
Model of the motion of a sledge
to relate the velocity to the number of passengers and the force used to pull the sledge.
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Sledge 1 Full model |
Sledge 2 Includes predicted transit time |
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Orbits in Space
The motion of a satellite in orbit around the Moon, the Earth & the other planets.
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Orbit 1 The motion of an orbiting satellite |
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Kite
Model measuring the effect of changes in windspeed on the height that a kite will reach.
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Kite Flying a kite |
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Pinocchio
A model which predicts how long Pinocchio's nose will grow according to how many lies he tells per day.
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Pinocchio Length of nose according to number of lies |
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String
A model which calculates the area inside a loop of string stretched out to make a rectangle (as for wrapping around a parcel).
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String About fitting a piece of string around a parcel |
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Warm Mouse
The heat loss from the mouse, taking into account temperature of surroundings and insulation properties of clothing.
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Warm Mouse Measuring heat loss |
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Warm Cow
The heat loss from the cow, taking into account temperature of surroundings and insulation properties of clothing.
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Warm Cow Measuring heat loss |
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