LEARNING RESOURCES
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Trajectory depending on the RS (II)
Concept of trajectory depending on the RS (II)
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Trajectory depending on the RS (I)
The trajectory of a moving body varies depending on the reference system it is seen from.
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Trajectory and speed classification
Classification of movements according to their trajectory and speed.
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Trajectory: what is it?
The trajectory of a movement is the path the moving body followed.
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Total reflection
When a ray of light goes through a sheet of glass, it is refracted. In certain circumstances there can be total reflection.
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Tides
The educational resource shows a visual about tides: the effect of the gravitational force of the moon and the sun on the earth can be seen in the tides.
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Tidal energy
The educational resource shows information about the concept tidal energy and its advantages and its disadvantages.
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Telescope (optics)
Suitable lenses, correctly combined, as in the following visual can help you to understand how a telescope works.
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Tangential and normal components of acceleration (I)
Instantaneous acceleration is a vector. It can be broken down into two perpendicular vectors such that their sum is instantaneous acceleration.
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The uncertainty principle
Heisenberg showed that measuring the magnitude of a quantum particle altered its state, so that another magnitude could not be measured simultaneously
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The variable intensity of gravity
The educational resource shows a visual about the variable intensity of gravity: the intensity of gravity, g, is not a true constant, as it changes with altitude.
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Thermal equilibrium
The educational resource shows an interactive animation about the thermal equilibrium: when two substances at different temperatures are in contact, they exchange a certain amount of energy. One's temperature increases, and the other's decreaeses. In the end, they both reach the same temperature, which is known as equilibrium temperature.
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Thermal energy
The educational resource shows information about the concept of thermal energy: thermal energy is due to the movement of the particles which make up matter.
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The thermometer
The educational resource shows an interactive animation about the thermometer: the fact that mercury and alcohol expand when the temperature increases is used to construct thermometers.
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The television
The cathode ray tube gave rise to an application which had an application that became very popular in the second half of the twentieth century: television.
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The solar system (theories)
The educational resource shows a visual about the solar system: What is at the centre, the sun or the earth? This question has been asked since the beginnings of humanity. The answer is found in the different models of the solar system.
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The solar system (II)
The educational resource shows a visual: it is a simulation of the solar system, you can select the planet you want to see and also vary the plane of the orbits.
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The solar system (I)
The educational resource shows a visual about the solar system: the solar system is formed by the sun and all the astronomical bodies which orbit around it.
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The signs of the zodiac
The educational resource shows a visual about the signs of Zodiac: every year, the earth goes once round the Sun and as this movement is carried out, from the earth we see the sky in a similar way at the same time of year. This is the basis of Astrology.The following visual shows what the Zodiac has to do with the annual movement of the Earth.
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The principle of superposition (II)
The educational resource shows a visual about the intensity of the electric field: a body's electric charge alters the space which surrounds it. The magnitude which measures this alteration at a determined point is the intensity of the electric field at this point. It is defined as the force exerted on the unit of positive charge situated at this point.
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