IKASKUNTZA BALIABIDEAK
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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 planets
The educational resource shows a visual about the planets: in addition to our planet, there are another eight planets travelling around the sun.
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The Earth´s orbit
In the following visual you can observe how the rotational axis of the earth is inclined; when the North Pole is furthest from the sun, the South Pole is nearest the sun and vice versa.
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Solar eclipse
The educational resource shows a visual about the eclipses: eclipses of the sun and moon are caused by the moon crossing between the sun and the earth (solar eclipse) or by the earth crossing between the sun and the moon (lunar eclipse).
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Relative movement of the Earth
The educational resource shows a visual about the relative movement of the Earth: our planet is enormous compared to a train, which is why although all the earth moves, it seems to us to be still, and the sky around it the one that moves.
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Fixed stars
The educational resource shows a visual about fixed stars: today we know that the sun is no more than a star which is near to us. Stars like the sun, which are large gaseous spheres are called fixed stars.
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From large to small
Travel from the universe to the atom
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Density
Concept of density
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Density (calculations)
Concept of density. Performing calculations.
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Among Attraction masses (II)
Concept of attraction among masses
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Density (2)
Concept of density
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Changes in water
The educational resource shows an interactive animation about changes in water: the change from a solid to a liquid is called fusion. The change from a liquid to a gas is called evaporation. When water boils it is called ebullition.
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Among Attraction masses (I)
Concept of attraction among masses
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Electric attraction
Concept of electric attraction. Which explains the interactions among electric charges.
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