RECURSOS DE APRENDIZAJE
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Equilibrium in liquids
Concept of equilibrium in liquids
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Barometer
Concept of barometer. The atmospheric pressure is measured with a device called a barometer.
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Field created by a moving charge
Magnetic field created by a moving charged particle
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How forces originate
How do forces originate? An interaction between two objects produces two equal and opposite forces, one to each object
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Alternating current
The movement of the electrons inside an electrical conductor of oscillating form.
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Among Attraction masses (I)
Concept of attraction among masses
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Apparent gravity
The educational resource shows a visual about the apparent gravity: the gravitational field intensity, g, is not the same everywhere on the surface of the earth. If the period of the rotation were different, g would also be different.
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Calculating speed (I)
This visual represents the tracks left by two cars when they move at a constant speed.
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Calculating speed (II)
Concept of calculating speed (II)
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Electric attraction
Concept of electric attraction. Which explains the interactions among electric charges.
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Faraday's experiment
Faraday's experiment
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Similar triangles
This unit provides a detailed study of similarity focusing specifically on similar triangles. The criteria governing similarity are analysed and exercises are carried out to focus in these criteria
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Powers of rational numbers
This unit follows on from the "Powers and Square Roots" unit in the 'first and second years of secondary education' section. In this earlier unit we focused on whole base numbers raised to the power of a positive whole number and examined their properties. In this unit there was also an introduction to the concept of the square root. This unit focuses on numbers raised to whole number and fractional indices and will generalise the rules which were examined in the earlier unit.
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Homothety and Similarity
This unit deals with some of the basic concepts of homothety (or enlargement) and some formulae connected to Thales' theorem. Rather than rigorous, step-by-step demonstrations, this unit offers the advantage of proving theories and properties in a straightforward manner. To conclude the unit, 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 the...
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Average rate of change
The average speed of a car on a journey is a very familiar concept and can be used to illustrate a very important mathematical concept clearly. This concept is that of the rate of change of a function during an interval. Likewise, the speed at which a car travels at any particular moment is another familiar concept. This piece of information can lead us to the notion of the instantaneous rate of change of a function or a point. The examples and exercises presented in this unit have been taken...
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Gravity
Project for the cours Inquiry-based learning for Science Teachers
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