RECURSOS DE APRENDIZAJE
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Conservation of energy (I)
The theorem of conservation of mechanical energy states that the work carried out on a body is invested exactly in increasing some type of energy. The visual simulates a moving train.
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Hydrostatic pressure II
Definition of hydrostatic pressure
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Trigonometrical ratios
As Thales' theorem tells us, trigonometrical ratios of an angle do not depend on the right-angled triangle we choose. Therefore, we can choose a right-angled triangle whose hypotenuse is the radius of a unit circle. We have drawn a set of axes and used the origin as the centre of an auxiliary circle whose radius is equal to one unit. We have drawn a right-angled triangle in the circle, which we will use to define the trigonometrical ratios. By choosing a radius of this length we have made it ...
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Trigonometrical ratios of right angles triangles
This unit offers an introduction to basic trigonometry such as trigonometrical ratios of acute angles. Students are expected to have some notion of angles and measuring angles as well as a basic understanding of complementary angles. There is also an introduction to the connection between trigonometrical ratios and the basic trigonometrical identities needed to solve right-angled triangles.
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Transformations of functions: Traslations and Dilatations
This unit focuses on the changes produced on the graph of a real function with a real variable when any of the unknown factors are altered to the same factor added to or multiplied by a constant. In the first example we will see that the result is a graph of a function which is the same shape as the original one, but which has moved from its initial position. From then we will refer to it as a translation. In the second example we get a similar result but the change is either more noticeable ...
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Electrical resistance
The electrical resistance of a conductor is a measure of its opposition to the flow of the electric current.
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Faraday's law (qualitative)
When the magnetic flux which travels through a coil varies, an electric current is generated in the latter which can light up a bulb.
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Density (2)
Concept of density
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Ampere's law
To calculate what the magnetic field near a conductor is like, you can use Ampère's Law. The visual will help you to understand it.
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Angular velocity
Concept angular velocity
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Absorption
Concept of Absorption
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Grid measurements
In this unit there are different practical activities to do, some of which focus particularly on Pythagoras' theorem, which are based on a grid of points that cover the plane.
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Geometric ratio
This unit deals with some formulae connected to Thales' theorem. Rather than giving rigorous, step-by-step demonstrations, this unit offers the advantage of verifying conclusions and properties in a straightforward manner. To conclude, different examples of similarity in triangles and polygons in general is also focused on, through an interactive approach. There is an introduction to metric relations in a right-angled triangle: the theorem of the sides adjacent to the right angle and the perp...
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Artificial radioactivity
Concept of radioactivity
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Bohr's atom
Concept of Bohr's atomic model
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ascent and descent of an object
Concept of ascent and descent of an object
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Connection of generators
This visual studies the behaviour of a circuit with two identical batteries which can be connected in series or in parallel.
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Equation of motion
Concept of equation of motion of a body.
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Consumer unit
Description of a consumer unit.
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De Broglie's hypothesis
Concept of De Broglie's hypothesis.
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