LEARNING RESOURCES
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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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Evolution of stars
The educational resource shows a visual about the evolution of stars. The visual allows you to have an idea of the main properties of a star during its normal life, that is, not during its birth or its death.
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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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Comets
The educational resource shows a visual about the comets: Comets are small bodies, generally measuring less than 100 km in diameter. They tend to be made principally of ice. When they near the Sun, they exhibit a tail (or coma) for which they are famous.
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Lunar phases
The educational resource shows a visual about lunar phases: the moon is a rocky sphere about four times smaller than the earth. Its different aspects (as seen from the earth) are known as lunar phases.
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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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