Sound

6.1. What is sound? Sound is the propagation of vibrations and energy in a straight line and in all directions. It travels from the source of sound to the receptors. Unlike light, sound needs a material…

Check. The Enlightenment

Remember what you have studied in this section and answer the questions: What Enlightenment principles are associated with Montesquieu, Rousseau and Voltaire? Discuss the social and political reforms…

Did you know...

Colonial society was structured according to race. Those born in Spain and their descendants in America (Creole people) were at the top of the social pyramid. There was also a rich bourgeoisie dedicated…

Analyse. 1860 census in Spain

Look at the graph and answer the questions: Ask questions about the graph. → What profession did most people have? Were there more... or...? What does this graph tell us about Spanish industry?

Look. Europe (1845-1947)

Look at the map and answer the questions: Summarise the territorial changes due to the Second World War: → This ... had a ... government, ... was occupied / annexed by ... What happened to the…

Pop Art - Art in the 20th century

Pop Art began in London and New York in the mid-1950s. The movement was designed for a mass audience, and was created as a form of art that would be fun and easy for the general public to understand.…

TEMA 16 LA SEGUNDA GUERRA MUNDIAL.pdf

Evaluación inicial 1 - Álgebra

Completa: Para x = 4, la expresión 2x − 3 vale . Para x = −3, la expresión x2 + 4x − 1 vale .

Resúmenes - Álgebra

1. Expresiones algebraicas Una expresión algebraica es una expresión matemática en la que intervienen letras, números y símbolos de operaciones aritméticas. La parte de las matemáticas que…

Escribe. Extrae el factor común

Recuerda responder según las siguientes indicaciones Extrae factor común: 8x3 – 5x2 + 6x = (x^ – x + ) 9x3 – 3x + 6 = (x^ – x + )