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

Methamphetamine Crisis in New Zealand

Methamphetamine (Meth) is highly prevalent in New Zealand. It affects brain functioning and mental health by releasing dopamine, noradrenaline, and serotonin—crucial neurotransmitters.

Prevalence and Production

Meth use among young adults aged 15–24 is a significant health issue, exacerbated by the drug's accessibility and frequency of use.

The latest New Zealand Health Survey estimates that about 34,000 individuals aged 16 to 64 used amphetamines in the past year.

The Dangers of Methamphetamine Production

Methamphetamine production involves a simple recipe often available online, allowing synthesis in as little as six hours using easily transportable cookware. Common ingredients include:

• Over-the-counter

Parkinson's Disease: Pharmacological Treatments

The primary pharmacological treatment for Parkinson's disease focuses on replenishing dopamine, the neurotransmitter deficient in the disease, and managing associated symptoms. Levodopa, often combined with carbidopa, is the cornerstone of treatment, alongside dopamine agonists, MAO-B inhibitors, COMT inhibitors, and anticholinergic agents.

Key Medications for Parkinson's Disease

1. Levodopa

   Levodopa is a dopamine precursor that can cross the blood-brain barrier and is converted into dopamine in the brain.

   It is typically combined with carbidopa, which inhibits the breakdown of levodopa before it reaches the brain, reducing side effects and improving efficacy.

   Levodopa is effective in improving motor symptoms

Poodle Instantiation Example

B. The Poodle variable myDog is instantiated as a Poodle. The instance variable size is initialized to "toy". An implicit call to the no-argument Dog constructor is made, initializing the instance variable name to "NoName".

Book Instantiation Example

C. Object myBook is created using the one-argument Book constructor, which uses super to set myBook's title attribute to "Adventure Story". Object yourBook is created using super to call the Publication no-argument constructor to set yourBook's title attribute to "Generic".

Tree Instantiation Example

B. Object tree1 is created using the DeciduousTree constructor, which uses super to set tree1's treeVariety attribute to "Oak". Object tree2 is created using the EvergreenTree... Continue reading "Object Instantiation and Code Examples" »

This document presents Java code snippets demonstrating two distinct functionalities: user name generation and management, and a car repair scheduling system. Each section includes method implementations with explanations of their purpose and logic.

User Name Management System

The UserName class is designed to generate and manage potential user names based on a user's first and last names. It also provides functionality to filter out names that are already in use.

UserName Class Constructor

This constructor initializes a UserName object, populating a list of possible user names. It assumes that firstName and lastName are valid strings containing only letters and have a length greater than zero.

import java.util.ArrayList;

public class UserName {

English Connectors and Transition Words

Addition and Contrast

• And: Y
• In addition (to): Además (de)
• Furthermore(,): Además (,)
• Moreover: Además (,); lo que es más…
• What’s more: Además (,); lo que es más…
• Besides: Además
• Also: También (tras Sujeto)
• Too: También (final de frase)
• As well as…: Así como…
• But: Pero
• However: Sin embargo
• Nevertheless, : Sin embargo
• Yet: Sin embargo
• Still: Aún así
• Although: Aunque
• Even though: Aunque
• Even if: Incluso si…
• In spite of: A pesar de
• Despite: A pesar de

Comparison and Contrast

• On the one hand: Por un(a) lado/parte
• On the other hand: Por otro(a) lado/parte
• In contrast: Por el contrario…
• It can also be argued that…: También se puede decir que…
• While…: Mientras que…

Cause and Effect

• Because: Porque
• Because

Medicines → Medicaments / First Aid Kit → Farmàcia de primers auxilis / Band Aid → Tirites  / Nasal spray → spray nasal / Eye drops → Gotes per als ulls / Tissues → Teixits / Lip balm / Chapstick → Bàlsam de llavis / Shampoo → xampú / Conditioner → Condicionador  / Dandruff → Caspa /  Body ache → dolor corporal / Cold / Flu → Refredat / grip  / Sublingually →  Sublingualment / Tablets / Pills → Pastilles / píndoles / Syrup → xarop / Cough / drops → gotes per a la tos / Asthma pump → Bomba d’asma  / Weighing scale → Bàscula de pes / Sanitary pads → Coixinets sanitaris / Diapers → Bolquers / Baby wipes → Tovalloletes per a nadons  / Baby milk powder → llet infantil en pols / Lens solution... Continue reading "Essential Health and Personal Care Vocabulary List" »

Common Crime-Related Idioms

• Crime wave: A sudden increase in the amount of crime in an area.
• Pull a fast one: To trick or deceive someone.
• Face the music: To accept the unpleasant consequences of one’s actions.
• Do something by the book: To strictly follow the established rules.
• Get away with murder: To do something very bad without being punished.
• Bail out: To pay money to get someone out of jail.
• Serve/Do time: To spend time in prison.
• Catch someone red-handed: To catch someone in the act of doing something wrong or illegal.
• Crime spree: A series of crimes committed in a short period.
• Do a runner: To leave a place quickly to avoid punishment.
• Go straight: To stop being involved in criminal activities.
• Get off scot-free: To escape punishment for something.

Allegra Byron's Early Life in Venice

Allegra Byron lived with her father, Lord Byron, in a large house called the Palazzo Mocenigo. However, Lord Byron eventually realized that it was not a suitable home for a child. He entrusted Allegra to an English family in Venice. Allegra stayed in Venice for eight months with different families. When Allegra was four years old, Byron sent her to a convent school near Ravenna. Allegra was often cold and lonely there.

Grammar Notes

• Prepositions:
  • In for months (e.g., in May)
  • On for days (e.g., on Monday)
  • At for weekends and specific times (e.g., at the weekend, at 7 o'clock)
• Present Simple: After 'go', use the gerund form (-ing) (e.g., go swimming).
• Do/Does: Use 'do' or 'does' + person + verb for questions (e.g.

Founding of the RSS

The Rashtriya Swayamsevak Sangh (RSS) was founded in 1925 by Dr. Keshav Baliram Hedgewar, a physician based in the central Indian city of Nagpur.^[16] As a medical student in Kolkata, Hedgewar participated in the revolutionary activities of the Anushilan Samiti and Jugantar, both striving to liberate India from British rule. In 1921, he was charged with sedition by the British administration and served a one-year prison sentence.

Early Life and Revolutionary Influences

Educated by his elder brother, Hedgewar moved to Calcutta, West Bengal, in 1910 to pursue medical studies at the behest of Dr. B. S. Moonje. During his time there, he lived with Shyam Sundar Chakravarthy^[19] and mastered combat techniques from secret revolutionary... Continue reading "Origins and History of the Rashtriya Swayamsevak Sangh" »

Common Characteristics of Machines

• Involve a kind of motion.
• Involve a kind of force.
• Make a job easier to do.
• Need some kind of input to make them work.
• Produce some kind of output.

Basic Types of Motion

• Rotary: Going round and round.
• Oscillating: Swinging backwards and forwards.
• Linear: In a straight line.
• Reciprocating: Backwards and forwards in a straight line.

A machine is a device that helps make work easier to perform.

Mechanical Advantage Defined

Mechanical Advantage: When a machine takes a small input force and increases the magnitude of the output force, a mechanical advantage has been produced.

Conservation of Energy Principle

Conservation of Energy: No machine can produce more work than the amount of work that is put into the machine.

The Six Simple