Telescope elements and the invention of the telescope

This visual shows the intrinsic components of acceleration at different points in several complex trajectories.

Las tablas de valores resumen de manera organizada un movimiento.

Graphs of the movements make data tables unnecessary.

Concept of tables and graphs in accelerated movements

Concepto de tablas y gráficas en movimientos variados. A la vista de la tabla de valores, puede deducirse cómo será la representación gráfica.

Escena interactiva para estudiar el concepto de superficie equipotencial en un punto. El punto en cuestión se puede mover y está sometido al campo gravitatorio de un planeta, cuya masa se puede modificar. La escena permite dibujar las curvas equipotenciales y las líneas de fuerza asociadas a dicho punto.

Concept of surface tension

Concept of surface tension

Reference systemRefers for the sun, moon and earth

Concepto de subida y bajada de un móvil

When a wave is limited in its propagation at one or at both ends, a wave can appear with points which are not displaced with time (nodes).

Explanation of since an image is formed using convex lenses.

Explanation of since an image is formed using convex lenses.

The terms speed and velocity are sometimes confused although they have different meanings.

One of the qualities of measuring instruments is speed. When a measuring instrument is quick?

Concept of speed and mass of the electrons

The educational resource shows an interactive animation about the specific heat concept: when a body is heated, the temperature it finally reaches depends on the nature of the body. This property is known as specific heat.

The educational resource shows information about the solar energy and its advantages and its disadvantages.

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).