Semanticos

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The energy of material systems

The educational resource shows how the energy is the capacity to produce changes in the environment by doing work or transferring heat. This means that when a body transfers heat or does work, its ene ...

The changing Earth

The educational resource shows a Flash animation about the greenhouse effect The Earth is an open material system, because it interchanges matter and energy with outer space.

Perpetual motion

The educational resource shows an interactive animation about the perpetual motion: Is it possible to construct a system that moves indefinitely without having to supply any energy? If such a system w ...

The first law of thermodynamics

The educational resource shows an interactive animation about the first law of thermodynamics:when we heat a pressure cooker, the heat we supply to the water is used to increase the temperature of the ...

Heat

The educational resource shows an interactive animation about the heat: heat is the transference of energy from one body to another in such a way that the internal energies of both are modified. If th ...

Artificial satellites

The educational resource shows a visual about artificial satellites: they are indispensable nowadays. In this visual you can study the movement of an artificial satellite around the Earth.

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 d ...

Rotation of the Earth

The educational resource shows a visual about the rotation of the Earth.

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 solar system

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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Jokoaren laguntza
Juegos de anatomía
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