The countries of the Americas
Learning about the geographic location, capitals and flags of American countries through exercises in three levels of difficulty.
Comets are spectacular celestial bodies orbiting the Sun.
This animation demonstrates the states and largest cities of the USA.
The lesson introduces you to the movement of Earth around the Sun.
The lesson illustrates the size of the planets in the Solar System and the huge distances...
Due to the Earth´s tilted axis, the angle of the Sun's rays at given latitudes is...
The animation shows the forms of government and official languages of the world´s countries.
Geothermal energy is environmentally friendly, safe and efficient; and thanks to modern...
This animation presents some interesting facts in the field of astronomy.