Notes, summaries, assignments, exams, and problems for Other courses

1. Gold Extraction

   Gold is found mainly as the metal itself in the earth because it has a low reaction rate, which prevents easy oxidation.

Carbon Extraction of Zinc

Carbon can be used to extract zinc because carbon has a higher reaction rate than zinc.

Sodium Extraction

Sodium was not extracted until 1807 because sodium attaches itself very strongly to other elements, making it difficult to separate and obtain a pure substance.

Limestone

i) Name of Material: Limestone

Reason why this metal is used: It decomposes silicon dioxide in the heat of the furnace to calcium oxide.

ii) Word Chemical Equation for the Reaction of Iron Extracted from Iron Ore when a Gaseous Oxide of Carbon Reacts with Iron Oxide: FeO + CO = Fe + CO2

Aluminium Extraction

i) Why a Mixture...

English Affixes

Suffixes

Noun Suffixes (added to nouns)

• -eer: profiteer, lanceer
• -er: teenager
• -ess: hostess, priestess
• -ette: cigarette, kitchenette
• -let: booklet
• -ian: politician, technician
• -ion: companion
• -ist: pianist, guitarist, violinist
• -age: wastage, mileage
• -dom: kingdom
• -ery: slavery
• -hood: adulthood, neighborhood
• -ism: criticism, terrorism
• -ship: friendship, sportsmanship, leadership

Noun Suffixes (added to verbs)

• -ant: assistant, consultant, informant
• -ee: employee, trainee
• -ent: respondent, dependent
• -er: singer, painter, dancer, printer, computer
• -or: conqueror, visitor
• -age: linkage, carriage
• -al: dismissal, survival, proposal
• -ance: attendance, performance
• -ion: protection, conversation, decision
• -ence: existence, persistence, preference
• -ing: building,

Washback: Concept and Implications in Language Education

Definition

Washback (or backwash) is the effect that tests have on teaching and learning. It refers to how teachers change their teaching practices and students change their learning strategies in response to a test.

Types of Washback

• Positive Washback: Encourages beneficial practices (e.g., more communicative language teaching).
• Negative Washback: Leads to undesirable outcomes (e.g., teaching to the test, increased stress, ignoring untaught skills).

Who Washback Affects

• Teachers: May adapt content, methods, and assessment styles.
• Students: May focus on test strategies over communication.
• School Authorities: May make curriculum or resource decisions based on test results.
• Educational Systems: Can

Lunes(ON) Mes(IN) Meses+fecha(ON) por tarde/maña(IN)  Estaciones(IN)      2ºCONDIT (If/Unless+ past Simpl, would+infitv)   3ºCOND (If/Unless + Past perfet,would/might/could+ have+past)  

PASSIV(Pres.Simpl: Is/are conducted)-(Past Simpl: Was conducted)-(Futur:Will be conductd)  (Pesen.Cont=Is/are being conductd)-(Past.Cont= was/were being conductd) Present.Perf(have conductd=HAS been conductd)      

REPORTD (Pres Simpl: eat=ATE)-(Past Simpl: ate=HAD EATEN )-(Futur:will eat=Pesen.Cont=are eating=WERE EATING)-(Past.Cont=were eating/= ) Pres.Perf(have eaten= HAD EATEN) Pres.Perf.Cont(have been eating= HAD been eating) Past Perf.Simp(had eaten=HAD EATEN)                                                                                                                                                   

Enlightenment

The Enlightenment was an intellectual movement that emerged in France in the 18th century. The most important ideas were:

• Confidence in reason
• Faith in human progress through science
• Criticism of the Old Regime

Old Regime

The Old Regime refers to the political, economic, and social system in Europe from the 15th century to the 18th century. It was characterized by:

• Political: Absolute monarchy
• Economic: An economy based on agriculture
• Social: A stratified society

Salons

Salons were meetings in private homes where intellectuals discussed politics, culture, and other topics. These gatherings contributed to the spread of Enlightenment ideas.

Encyclopaedia

The Encyclopaedia was a 28-volume work that summarized the knowledge of its time and included...

Andalucía

• Flamenco: Flamenco singing, guitar, castanets, tambourine.

Aragón

• Jota: Ternary rhythm, strong rhythmic incision, percussion instruments accompanying, emphasis on melody.
• Albada aurora dances.
• Instruments: Flageolet.

Asturias

• Dances: Vaqueiras, giraldilla, pericote of the plains, preindango of Cabrales.
• Instruments: Corri corri of bagpipes, tambourine, rebec, hurdy-gurdy.

Balearic Islands

• Jotas and Boleros: Music for dance, 3/4 rhythm, sung in duet in thirds.
• Instruments: Gaita (bagpipe), flute, and drum (Xeremies).

Cantabria

• Balls campestres: The March (communal song, characteristic repetitive phrases) and Picayo (songs).

Canary Islands

• Isa: Accompanies the launching of castanets, loose ball, the Canary version of the Peninsula's dance.
• The sirinoque

Kinematics Formulas

Position Vector

r = xi + yj

• x = r cos
• y = r sin
• r = √(x² + y²)
• tan θ = y / x

Displacement

Δr = r - r_initial

Speed, Average Speed, Instantaneous Speed

• Average Speed: v_av = Δr / Δt
• Instantaneous Speed: v = dr / dt

Average Acceleration, Instantaneous Acceleration

• Average Acceleration: a_av = Δv / Δt
• Instantaneous Acceleration: a = dv / dt

Uniform Rectilinear Motion (MRU)

• v = Δx / Δt
• v_mean = (v₀ + v) / 2
• v = v₀ + at
• x = x₀ + vt
• x = x₀ + v₀t + (1/2)at²
• v² - v₀² = 2aΔx
• v² = v₀² ± 2as

Free Fall

• Velocity: v = gt
• Position (height fallen): y = (1/2)gt²
• Velocity (upward): v = -gt
• Position (height): y = y₀ - (1/2)gt²

Upward Vertical Launch

• Velocity: v = v₀ - gt
• Position (height): y = y₀ + v₀t - (1/2)gt²
• Time to reach maximum height: t = v₀ / g
• Maximum

Kako si lep danes 

What is Lorem Ipsum?

Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum.

What is Lorem Ipsum?

Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard...

An Opinion Essay: The Benefits of Traveling Abroad

Nowadays, many people enjoy traveling. Some prefer to explore their own country, while others venture abroad. But is it truly better to travel to a foreign land? Let's delve into the advantages.

Expanding Your Cultural Horizons

Firstly, traveling to another country offers an unparalleled opportunity to immerse yourself in a new culture. You'll encounter different traditions and customs, broadening your understanding of the world. Moreover, you'll have the chance to practice another language, enhancing your communication skills.

Creating Lasting Memories and Connections

Secondly, traveling abroad allows you to connect with people from diverse backgrounds, forging new friendships and expanding your...

SBQ: United Nations

1. UNGA

• Characteristics

> 193 members with one vote each → equality

> Tendency for voting groups/blocs/alliances, especially with superpower rivalry

> Composition of members will determine if a resolution is passed

> Struggle for power between the GA and SC in issues of peace and security

• 45-60: pro-West (Cold War context)

> Growth of GA

> Accelerating decolonization

> Increased influence, bypassing SC with Uniting for Peace Resolution in 1950

> Can recommend the use of force

> Easier for the US to push its own agendas

• 65-91: anti-West (↑ Third World, decolonization, pro-Soviet)

> 3rd world own agenda, members were unstable, poor & socially divided

• Post 1991: open universal membership

> Marginalization...