Notes, abstracts, papers, exams and problems of Primary education

Freedom and Human Nature

Humans, though possessing instincts, are not determined by nature. Thanks to our rational capacity, we can choose among a number of possibilities. This capability is known as freedom.

However, certain factors in our behavior do not depend on us. No one chooses their birthplace, gender, or skin color. These are given to us and constitute what Ortega y Gasset called circumstances.

To be free means to be responsible for our actions and accept the consequences of our behavior. Responsibility involves attributing success to our work and accepting failures or errors. If we make a mistake, we must rectify it and accept the punishment.

Moral Norms

A norm is a pattern that governs our behavior, a rule about how we should act. For... Continue reading "Freedom, Responsibility, and Moral Norms: A Philosophical View" »

Sole Proprietorship

A sole proprietorship is a business structure where an individual owns and operates the business. The owner contributes the capital, manages operations, and is solely responsible for the business's outcomes. They may work alone or employ others. This structure is the easiest to form and simplest to organize. The sole proprietor can borrow funds or utilize others' money for business purposes.

Advantages of Sole Proprietorship

Easy to Start

Forming a sole proprietorship is easier than partnerships or corporations. There are no legal formalities like agreements, memorandums of association, or articles of association.

Easy to Dissolve

Dissolving a sole proprietorship is simple, as the owner doesn't need permission from shareholders... Continue reading "Sole Proprietorship: Advantages, Disadvantages, and Characteristics" »

117 Ways to Pass the Earth Science Regents

1. The same substance always has the same density.

2. As pressure increases, density increases.

3. As temperature increases, density decreases.

4. Water expands when it freezes.

5. Most changes are cyclic.

6. Water is most dense at 4^oC, when it is a liquid.

7. The true shape of the Earth is an oblate spheroid, but from space it looks like a sphere.

44. As temperature increases, air pressure decreases.

45. As moisture increases, pressure decreases.

46. Air pressure decreases with altitude.

47. Highs are cool and dry; lows are warm and wet.

48. Wind is due to air pressure differences.

49. Wind blows from high to low pressure.

50. Wind is named from the direction that it is coming from.

51. The accepted value is the... Continue reading "Earth Science Regents: 117 Key Concepts" »

British Poetry: 1950s-1970s

This analysis summarizes and discusses the main characteristics of British poetry between the 1950s and the 1970s, with specific reference to the works of Philip Larkin, Ted Hughes, and Seamus Heaney.

A Shift in English Literature

There was a significant shift in English literature during this period, with writers largely avoiding romanticism and modernism. Instead, they focused on writing realistic poetry and novels. Meanwhile, playwrights adopted a more philosophical point of view.

Post-War Dreams and Disappointments

In the aftermath of World War II, a dream for the future emerged, encompassing improved health services, education, and welfare systems. Universities like Oxford, Cambridge, and St. Andrews were no longer... Continue reading "British Poetry: 1950s-1970s - Larkin, Hughes, and Heaney" »

Infrared Spectra of Alkanes

Alkanes, being saturated hydrocarbons, only contain Carbon-Carbon (C-C) and carbon-hydrogen single bonds. Their IR spectra are relatively simple due to the absence of strong functional groups.

C-H Stretching

The most prominent peaks in an alkane's IR spectrum are due to C-H stretching vibrations. These sharp, strong bands typically appear in the range of 2850-2960 cm^-1. The exact wavenumber can vary slightly depending on the specific alkane and its branching.

Infrared Spectra of Alkenes

Alkenes contain at least one carbon-carbon double bond (C=C), along with C-H bonds. The presence of the double bond introduces distinct features in their IR spectra compared to alkanes.

C=C Stretching

The stretching vibration of the C=C... Continue reading "Infrared Spectroscopy of Organic Compounds: A Comprehensive Guide" »

PUB

("Proprioception"[Mesh] OR "Postural Balance"[Mesh] OR "Sensory Receptor Cells"[Mesh] OR ("proprioception"[Title/Abstract]) OR ("postural balance"[Title/Abstract]) OR ("sensory receptor cells"[Title/Abstract])) AND ("Rehabilitation"[Mesh] OR "Physical Therapy Modalities"[Mesh] OR "Exercise"[Mesh] OR ("rehabilitation"[Title/Abstract]) OR ("physical therapy modalities"[Title/Abstract]) OR ("exercise"[Title/Abstract])) AND ("Sports"[Mesh] OR "Soccer"[Mesh] OR "Tennis"[Mesh] OR ("sports"[Title/Abstract]) OR ("soccer"[Title/Abstract]) OR ("tennis"[Title/Abstract])) Filters: Clinical Trial, Meta-Analysis, Randomized Controlled Trial, from 2020 - 2024

EBS

(DE "PROPRIOCEPTORS" OR DE "PROPRIOCEPTION") OR (DE "MUSCULAR sense") OR AB (PROPRIOCEPTION... Continue reading "Proprioception and Rehabilitation in Sports Medicine: A Systematic Review" »

Porcelain Laminate Veneers: Indications and Contraindications

Indications:

1. Used on slightly/mildly enlarged teeth
2. Traditionally indicated in aesthetic areas where a single crown composite resin veneer would be used
3. To correct diastemas
4. Masking of discolored/stained teeth
5. Repairing enamel defects

Contraindications:

1. Cannot be waxed on short clinical crowns
2. Not suitable for patients with parafunctional habits (e.g., bruxism)
3. Teeth with insufficient enamel for adequate retention
4. Teeth with large restorations or endodontically treated teeth with little remaining structure
5. Patients with tooth wear due to bruxism

Tooth Remineralization: Techniques, Materials, and Concepts

Techniques:

Hand excavation is preferred to preserve as much tissue as possible for remineralization.... Continue reading "Porcelain Veneers, Tooth Remineralization, and Biocompatibility" »

Human Nutrition: The Digestive System

Human nutrition involves several key systems: digestive, respiratory, circulatory, and excretory.

Preparation for Digestion

This phase consists of three main parts:

Insalivation

Insalivation involves saliva, a watery substance containing amylase enzymes that break down simple carbohydrates. Saliva is produced in three salivary glands: sublingual, submandibular, and parotid. The tongue, a muscular organ covered in taste buds, helps mix food with saliva, allowing us to taste food.

Mastication

Mastication consists of breaking down food into smaller pieces to ease digestion. Types of teeth include incisors, canines, molars, and premolars. Humans have 20 milk teeth and 32 adult teeth.

Swallowing

Swallowing involves two... Continue reading "Understanding Human Nutrition: Digestive System Essentials" »

Post-War British Literature: A Look at The Movement and Beyond

The Cultural Landscape of Post-War Britain

The cultural landscape of the post-war period reflects a sense of fragmentation and absurdity, echoing the punk and anarchist movements and exemplified by the Theatre of the Absurd. This existential futility is underscored by the trauma of events like the atomic bombing of Hiroshima and Nagasaki.

Consumerism created an illusion of prosperity, masking widespread disillusionment. This disappointment found its voice in the writings of the Angry Young Men.

The Angry Young Men

These writers, often from working-class backgrounds, found themselves alienated from both the middle and working classes. Key figures included John Osborne, John Braine, and... Continue reading "Post-War British Literature: A Look at The Movement and Beyond" »

Mineral Trioxide Aggregate (MTA) Applications

Pulp Therapy

• Pulp capping
• Furcation repair
• Strip perforation repair
• Root resorption repair
• Immature teeth
• Root end filling material

Elements of Pulp Regeneration

Therapy for exposed dental pulps using stem cells and a biofunctional scaffold, inhibiting or eliminating infection to facilitate pulp generation.

Nickel-Titanium (NiTi) Rotary Instruments

Advantages of NiTi Reciprocation

• Mimics manual movement
• Reduces risks associated with continuous rotation in curved canals

Types of Posts

1. Carbon fiber epoxy resin posts
2. Zirconia posts
3. Glass fiber reinforced posts
4. Ultra-high strength polyethylene fiber reinforced posts

Advantages of NiTi Rotary

• Gradual, evenly tapered radicular preparation
• Fewer instruments required
• Reduced