La ganadería en el mundo

5.1. La ganadería La ganadería consiste en la cría de animales para obtener una serie de productos como carne, leche, huevos, cuero, lana, etc. Los animales también se emplean como fuerza de trabajo…

Contesta. "Pop art"

¿Cuáles son las principales temáticas del Pop art? ¿Qué cualidades debía tener una obra Pop según Richard Hamilton?

La comunicación

Check. Test yourself

Remember what you have studied in this section and answer the questions: In what way are the feeding characteristics of a coelenterate and a planarian similar? What type of circulatory system do the…

Investigate - Energy inside the Earth

The inside of the Earth is extremely hot and material that rises up from it is responsible for many of the geological phenomena seen on the surface. The Earth's energy is evident when volcanoes…

Match. Matter

Match each definition with the corresponding concept: Any part of the Universe made up of matter. Distance traveled by light in a year, equivalent to more than 9 billion miles. Anything which has mass…

Waves

1.1. Vibratory motion If we hold one end of a sheet of steel and then move or hit the free end, the sheet will vibrate from one side to the other from its initial position (figure 1). We can compare…

In recognition of the right to equality

Have not all men violated the principle of equal rights by thoughtlessly depriving one half of the human race of the right to take part in the formation of laws, that is to say, by the exclusion of…

Check. The Second Industrial Revolution

Remember what you have studied in this section and answer the questions: What was the Second Industrial Revolution? Make a chart to show the new types of energy and industrial sectors that appeared at…

Check. The great Allied offensives (1942-1945)

Remember what you have studied in this section and answer the questions: Who were the Allies? Rank the measures they took to win the war. Explain your criteria. Why was the Normandy landing so crucial…