Notes, summaries, assignments, exams, and problems for Secondary education

Membranophone Instruments Explained

Membranophone instruments produce sound through a vibrating membrane. Percussionists make the membrane vibrate by striking it with their hands or hitting it with wooden sticks called drumsticks or mallets.

Although many membranophone instruments have a system for adjusting the tension of the membrane or drum skin, only a few membranophones allow the percussionist to determine the precise pitch of the sounds the instrument emits. Membranophones are classified into two groups: pitched and unpitched.

Pitched Membranophones

Most instruments in this group have a single membrane and can emit a note that is tuned to a musical scale. The best-known instruments in this group include timpani (also called kettledrums),... Continue reading "Membranophone Percussion Instruments: Pitched and Unpitched Types" »

The Reign of Philip III and the *Validos*

Philip III was not as energetic as his father. In this century, the king usually left political decisions to the *validos*—a royal favorite who governed on his behalf and concentrated political power. The Duke of Lerma was the main *valido* of Philip III.

The Expulsion of the Moriscos (1609–1614)

The expulsion of the Moriscos was the continuation of preceding dynamics and tensions. This was a decision driven by the Duke of Lerma. It proved to be a disaster in economic and demographic terms, because the Moriscos were hard agrarian and artisanal workers.

The Thirty Years' War (1618–1648)

Philip III and Philip IV supported the Habsburg Emperor against the Palatinate Elector and other subjects. Initially,... Continue reading "The 17th Century Crisis of the Spanish Monarchy" »

Imperialism and Its Causes

From 1870, European colonial expansion turned to Africa, Asia, and the Pacific and entered a new phase known as Imperialism. Unlike the previous form of Colonialism, whose main objective was to dominate the economic resources of the colonies, Imperialism implied the military, political, and economic control of the European minority over the dominated territories.

Key Drivers of the New Colonial Momentum

The new colonial momentum was due to different causes:

• Political and strategic: The possession of colonies assured the power and the international prestige of countries or allowed trade routes and strategic territories to be controlled.
• Demographic: The colonies provided territories where excess population could be sent

Water: Properties and Cycle

Properties of Water

Freshwater: Salinity below 35g/L.

Saltwater (Ocean Water): Salinity over 35g/L.

General Properties: Colorless, odorless, tasteless. Higher density in liquid state than solid state. Universal solvent. High heat capacity. Facilitates many chemical reactions. Exhibits adhesive capacity.

States of Water

• Solid (S)
• Liquid (L)
• Gas (G)

Transitions: S --(fusion)--> L --(vaporization)--> G --(condensation)--> L --(solidification)--> S S --(sublimation)--> G --(inverse sublimation)--> S

Water as a Thermal Regulator

Water's high heat capacity means significant temperature changes require large amounts of energy. This explains why coastal regions experience milder climates compared to inland areas.

The

The Internal Environment and Nutrition

All cells need to live in an internal environment that provides them with all the food and nutrients they need and allows cells to release waste substances. It is formed of interstitial plasma, and the plasma has to be continually renewed thanks to the blood, which transports nutrients and removes waste products. The circulatory system connects the other three systems involved in nutrition.

Blood Composition

• Blood Plasma (55%): Made up of water with minerals (90%), nutrients (glucose, amino acids, vitamins, etc.), waste products (urea, uric acid, CO2), proteins, and dissolved hormones.
• Blood Cells (45%): Includes erythrocytes (98-99%), leukocytes (granulocytes and agranulocytes), and platelets (1-2%).

Blood

Economic Growth and Industrial Expansion (1870-1914)

This period witnessed the most significant increase in economic growth ever recorded in such a short time. The standard of living improved considerably in industrialized countries.

Expansion of Industrialization (1870-1914)

• Russia and Spain: Their factories were concentrated in specific regions, and their economies were not fully industrialized.
• Germany: Became the world's leading manufacturer of chemical products.
• United States: Became the leading industrial power thanks to its economic dynamism and the presence of great inventors.
• Japan: In 1868, it began to modernize intensively with the advice of European and North American technicians.

The Rise of Corporations

A characteristic of this period... Continue reading "Industrialization and Social Change: 1870-1914" »

SAP Controlling and Profitability Analysis

Activity Allocation and Responsibility

Activity Allocation: You post quantity for both the sender and receiver.

Areas of Responsibility: Profit Center Accounting.

CO-PA and HANA Integration

• CO-PA: Value fields and transfer structure.
• CO-PA / HANA: ACDOCA.
• CO-PA / Product Cost: Cost of goods sold.

Controlling Area and Cost Accounting

Controlling Area: When the controlling area is defined, it follows a one-to-many (1:N) relationship.

Cost Accounting: Allocation structure.

Cost Center Management

• Cost Center: Tracing factor and cost center category. It is a structure to which all the cost centers within a hierarchy are assigned. Includes assessment and CO version.
• Cost Center/Internal Order: Real internal order and

Immanent Divine Presence

• Describes the divine as existing within and extending into all parts of the creative universe.
• In Buddhism and Hinduism, practitioners believe they can achieve unity with their supernatural being.
• Buddhists strive to follow Buddha's teachings to attain personal enlightenment (Nirvana), which liberates them from the world of pain and suffering.

Transcendent Divine Nature

• Embraces the ideology of a divine power existing beyond human capabilities and experiences.
• Judaism, Christianity, and Islam are considered transcendent religions.
• Jews believe that God is eternal, has always existed, and always will. God has provided laws for Jews to observe, which are found in the Tanakh.
• Adherence to God's instructions is seen as an expression

The Second Revolutionary Wave (1830s)

The 1830s marked a shift away from clandestine societies and insurrection. This movement united diverse groups, including liberals, the bourgeoisie, intellectuals, and the working classes.

The French Revolution of 1830

Beginning in France in 1830, the movement overthrew the last Bourbon monarch, Charles X, and established a liberal monarchy under Louis Philippe I.

Expansion and Impact

This example extended to Italian and German states, Spain, Poland, and Belgium, which successfully won independence from the Netherlands. In the UK, a liberal movement achieved additional political and voting rights.

As a result, most absolutist monarchies in Western Europe were replaced with moderate liberal governments based on... Continue reading "19th Century European Revolutions and Nationalism" »

Spanish Political System

Types of Political Systems

Authoritarian System

Power is controlled by one person.

• Dictatorship: A single party.
• Theocracy: Religious authorities control the government.
• Republic: The president is a dictator.
• Monarchy: The monarch has absolute power.

Territory

Controls and has a border that marks its boundaries with other states.

Decentralized States

They are a combination between centralized and federal states; they have autonomy in these matters.

Unitary State

The executive power is exerted by a single and central government.

Federal State

Power is divided between the federal government and the states' governments.

Rule of Law and the Constitution

Rule of Law

The state is subject to laws and regulations, and any new law depends on... Continue reading "Spanish Political System: Structure and Institutions" »