
Studying and Living Abroad
Quiz by Sundeep Talluru
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What is the purpose of the webinar on studying and living abroad?
To discuss the latest trends in international education.
To discuss visa application processes.
To provide insights and practical tips for students planning to study and live abroad.
To promote a specific university or study program.
What is one of the strategies for finding housing abroad?
Renting an apartment before arrival
Staying in hotels
Buying a house
Using university resources and local housing websites
What is the purpose of the webinar on studying and living abroad?
What is one of the strategies for finding housing abroad?
What constitutes international education?
What is one way to manage the initial cultural adjustment when studying abroad?
What is one benefit of learning the local language before and during the stay abroad?
What is one important aspect of health and safety when studying abroad?
What is one resource for financial support when studying abroad?
What is one way to enrich the experience of studying abroad?
What is one way to leverage international education for future career prospects?
What is one key point to be discussed in the conclusion of the webinar?
LESSON 2 Early Theories on the Origin of Life • Identify the different theories on the origin of life. • Describe each theory and determine their differences What are the characteristics of living things? Before learning about the history of Earth based on geological evidence, early scientists explored the possibilities of how the first life-form existed. There are several theories about the origin of life. Theory of Catastrophism The theory of catastrophism supported by French scientists Georges Cuvier (1769-1832) and Alcide Dessalines d'Orbigny (1802-1857), is said to be a modification of the creation story of the Bible. It states that there have been several living creations from God, each encountered a catastrophe that completely destroyed them. Each new creation consisted of new life-forms, which happen to be different from the previous ones. Theory of Abiogenesis The theory of abiogenesis, or the spontaneous generation theory, states that living things were naturally created from nonliving things such as simple organic compounds. The theory supposes that abiogenesis occurred between 3.8 and 4 Gya. The experiment performed by Stanley Miller in 1953 gave way to many speculations and studies on how life on Earth really began. His research involved a simulation of the possible environment on Earth in the past. He demonstrated how an electric spark (which is a simulation for lightning) when passed through simple organic gases (similar to the early Earth atmosphere), resulted in the formation of amino acids, which are now known as the building blocks of proteins and the components of living tissues. Theory of Biogenesis The theory of biogenesis presented a strong argument against abiogenesis. This theory states that living things come from living things. Experiments of Francesco Redi and Louis Pasteur disproved the thought of spontaneous generation during their time (figure 5-1). Louis Pasteur argued that life comes from preexisting life and not from nonliving material. However, it should be noted that the "abiogenesis" or "spontaneous generation" that he opposed referred to any modern, existing, fully-formed organisms, not the original generation of life. Louis Pasteur's law of biogenesis contradicted the common belief during his time that cattle dung gives rise to flies, or old clothes with rotten food gives rise to mice. The idea of spontaneous generation was popular until near the seventeenth century. Even famous scientists of that period, such as Descartes, Galileo, and Jan Baptista van Helmont, believed in this theory. CIENCE PIONEER Francesco Redi (1626-1697). Francesco Redi is a physician, a naturalist, and a poet. His works challenged the popular theory of spontaneous generation. He disproved the idea that living things may arise from nonliving things. He also worked on toxicology using viper's venom. He discovered and worked on some parasites that caused disease in humans. SCIENCE CAREER Evolutionary Biologist An evolutionary biologist studies the descent of species and the origin of new species of living things. Working as evolutionary biologist means studying and researching species diversity, their interaction with the environment, their adaptation to change, their ancestors, and their possible origins. This career is important in the field of science because it seeks an answer to the questions about how life began on Earth.
Cell Theory The microscopes we use today are far more complex than those used in the 1600s by Antony van Leeuwenhoek, a Dutch shopkeeper who had great skill in crafting lenses. Despite the limitations of his now-ancient lenses, van Leeuwenhoek observed the movements of protista (a type of single-celled organism) and sperm, which he collectively termed “animalcules. ” In a 1665 publication called Micrographia, experimental scientist Robert Hooke coined the term “cell” for the box-like structures he observed when viewing cork tissue through a lens. In the 1670s, van Leeuwenhoek discovered bacteria and protozoa. Later advances in lenses, microscope construction, and staining techniques enabled other scientists to see some components inside cells. image Figure 4.3.1 : Structure of an Animal Cell: The cell is the basic unit of life and the study of the cell led to the development of the cell theory. By the late 1830s, botanist Matthias Schleiden and zoologist Theodor Schwann were studying tissues and proposed the unified cell theory. The unified cell theory states that: all living things are composed of one or more cells; the cell is the basic unit of life; and new cells arise from existing cells. Rudolf Virchow later made important contributions to this theory. Schleiden and Schwann proposed spontaneous generation as the method for cell origination, but spontaneous generation (also called abiogenesis) was later disproven. Rudolf Virchow famously stated “Omnis cellula e cellula”… “All cells only arise from pre-existing cells. “The parts of the theory that did not have to do with the origin of cells, however, held up to scientific scrutiny and are widely agreed upon by the scientific community today. The generally accepted portions of the modern Cell Theory are as follows: The cell is the fundamental unit of structure and function in living things. All organisms are made up of one or more cells. Cells arise from other cells through cellular division. The expanded version of the cell theory can also include: Cells carry genetic material passed to daughter cells during cellular division All cells are essentially the same in chemical composition Energy flow (metabolism and biochemistry) occurs within cells
SCIENCE 6 Tropical Rainforests: Studying interactions between living and nonliving components.
Studying population involves examining various aspects of the demographic composition, dynamics, and characteristics of a group of individuals within a specific geographic area. Here are key areas to explore when studying population: Demography: Population Size: Analyze the total number of individuals in a given area or community. Population Distribution: Examine how the population is spread across different regions or areas. Population Density: Explore the concentration of people in a particular area relative to the size of that area. Population Growth and Decline: Birth Rate: Study the number of live births per 1,000 people in a given year. Death Rate: Examine the number of deaths per 1,000 people in a given year. Migration: Explore patterns of people moving into and out of a specific area. Age Structure: Age Distribution: Analyze the distribution of individuals across different age groups in a population. Dependency Ratio: Examine the ratio of dependent individuals (young and elderly) to the working-age population. Gender Composition: Sex Ratio: Study the ratio of males to females in a population. Population Pyramids: Use population pyramids to visualize the age and gender structure of a population. Fertility and Family Planning: Total Fertility Rate (TFR): Explore the average number of children a woman is expected to have during her reproductive years. Contraceptive Use: Analyze the prevalence of contraceptive methods in a population. Mortality and Health: Life Expectancy: Examine the average number of years a person can expect to live. Infant and Child Mortality: Study the number of deaths among infants and children under the age of five. Urbanization: Urban vs. Rural Population: Analyze the distribution of people in urban and rural areas. Rate of Urbanization: Explore the speed at which people are moving from rural to urban areas. Education: Literacy Rates: Examine the percentage of the population that can read and write. Educational Attainment: Study the level of education achieved by individuals within the population. Socioeconomic Factors: Income Distribution: Explore the distribution of income among the population. Employment Rates: Analyze the percentage of the working-age population that is employed. Cultural and Ethnic Composition: Ethnic Diversity: Examine the presence of various ethnic groups within the population. Healthcare and Quality of Life: Access to Healthcare: Study the availability and accessibility of healthcare services. Quality of Life Indicators: Explore factors such as housing, sanitation, and overall living conditions. Population Policies and Government Interventions: Study the impact of government policies on population dynamics, including family planning programs and immigration policies. Environmental Impact: Explore the relationship between population growth and its impact on the environment, including resource consumption and pollution. Global Population Trends: Examine global population trends and their implications, including aging populations and population growth in developing countries. Studying population involves a multidisciplinary approach that incorporates elements from demography, sociology, geography, economics, and public health. Researchers and policymakers use this information to make informed decisions about resource allocation, development planning, and social policies.
Owls, such as the young snowy owls on the previous page, have for centuries been symbols of both wisdom and mystery. To many cultures their piercing eyes have conveyed a look of intelligence. Their silent flight through darkened landscapes in search of prey has projected an air of power or wonder. For this chapter and this book, owls are an engaging example of a living organism from the world of biology—the study of life. BIOLOGY AND YOU Living in a small town, in the country, or at the edge of the suburbs, one may be lucky enough to hear an owl's hooting. This experience can lead to questions about where the bird lives, what it hunts, and how it finds its prey on dark, moonless nights. Biology, or the study of life, offers an organized and scientific framework for posing and answering such questions about the natural world. Biologists study questions about how living things work, how they interact with the environment, and how they change over time. Biologists study many different kinds of living things ranging from tiny organisms, such as bacteria, to very large organisms, such as elephants. Each day, biologists investigate subjects that affect you and the way you live. For example, biologists determine which foods are healthy. As shown in Figure 1-1, everyone is affected by this impor- tant topic. Biologists also study how much a person should exer- cise and how one can avoid getting sick. Biologists also study what your air, land, and food supply will be like in the near future. SECTION 1 OBJECTIVES ● Relate the relevance of biology to a person’s daily life. ● Describe the importance of biology in human society. ● List the characteristics of living things. ● Summarize the hierarchy of organization within complex multicellular organisms. ● Distinguish between homeostasis and metabolism and between growth, development, and reproduction. VOCABULARY biology organization cell unicellular multicellular organ tissue organelle biological molecule homeostasis metabolism cell division development reproduction gene Copyright © by Holt, Rinehart and Winston. All rights reserved. Biology, the study of life, directly applies to your health, life, and future in ways as simple as daily food choices. FIGURE 1-1 6 CHAPTER 1 Biology and Society By studying biology you can make informed decisions on issues that impact you and our society. Every day newspapers, television, and the Internet contain issues that relate to biology. For example, you may read that your local water or air supply is polluted. How will that pollution affect your health and the health of other living things? You may hear about new technologies or tools that biolo- gists have invented. How will we control how those technologies and tools are used? Biologists actively work to solve these and other real-world issues and problems, including improving our food supply, curing diseases and preserving our environment.
The Dining room The dining room is the room adjacent to the living room and the kitchen. Some houses use a wooden divider for privacy, in order to separate the living room and the dining room. The dining room is a place for eating the family meals, entertaining guests when meal is served, holding family meetings and gatherings. It can also serve as a place for studying in the absence of study room. Common furnishings found in the dining room are as follows: 1. dining table and chair Home Economics and Livelihood Education 7 Seibo College 85 2. cabinet 3. side table The Kitchen The kitchen is usually adjacent to the dining room. This makes it easier to serve the food from the kitchen going to the dining table. The kitchen is a place which includes the following activities: 1. preparing and cooking meals 2. storing food, kitchen tools and utensils 3. washing the dishes Common furnishings found in the kitchen There are three general categories of kitchen equipment are large appliances, small appliances and kitchen utensils. A. Large appliances 1. cooking range 2. refrigerator 3. dishwasher 4. microwave oven B. Small appliances Home Economics and Livelihood Education 7 Seibo College 86 1. rice cooker 2. toaster 3. blender 4. oven toaster 5. coffee maker C. Kitchen utensils consist of small items used in preparing, cutting, measuring, cooking food. 1. knife 2. mixing bowls 3. tongs 4. pot holder 5. measuring cups 6. tea kettle 7. baking pan 8. egg turner The following amenities in the center for preparing and storing food include the following: a. washing table b. built in cabinets c. cup board The following amenities in the cooking area include the following: a. stove b. utility table The following can be found in the washing area: a. sink Home Economics and Livelihood Education 7 Seibo College 87 If you have any questions, you can go to your learning facilitator, but if everything is clear to you, proceed to the next activities. b. shelves c. work surfaces
THE SOAR SYSTEM A solar system is a group of planets and other celestial bodies that revolve around a star. A solar nebula- a vast cloud of gas and dust, mostly hydrogen and helium. How the Solar System Form • COLLAPSE AND SPINNING DISK FORMATION - Gravity pulls material inward. The cloud flattens into a spinning disk due to conservation of angular momentum. • PROTOSTAR FORMATION- (BIRTH OF THE SUN). Material collects at the center, and begun to heat up. When it reaches to 10 million KELVIN, nuclear fusion begins. thus, SUN is born. • PLANETESIMALS AND PROTOPLANETS. Dust and gas in the disk stick together via static and gravitational forces. These form planetesimals, which grow into protoplanets collision and accretion. • PLANET FORMATION. Inner disk: too hot for gas rocky planets form Mercury, Venus, Earth, Mars. • PLANET FORMATION. Outer disk: gas and ice giants. Jupiter, Saturn, Uranus, Neptune • LEFTOVER DEBRIS. Remaining materials forms moon, asteroids, comets and dwarf planets. DIFFERENT HYPOTHESIS IN THE FORMATION OF SOLAR SYSTEM. 1. NEBULAR HYPOTHESIS- The Solar system formed from a rotating cloud of Gas and Dust (solar nebula). As it rotates conservation of angular momentum caused the cloud to flatten into a disk. the Sun formed at the center (DISK) while planets formed from the surrounding materials through acceleration. thus, it explains the coplanar and nearly circular orbit of the planets all planets orbits around the sun on the same flat, disk shaped plane. Proposed by Immanuel Kant in 1755 and Modified by Pierre Simon Laplace in 1756. PROTOPLANET HYPOTHESIS. The Solar system formed from a rotating cloud of Gas and Dust (solar nebula). As it rotates conservation of angular momentum caused the cloud to flatten into a disk. 2. Protoplanet hypothesis. Builds on the nebular model but focuses more on the role of planetesimals which then form into full planets. PROCESS: - Small solid particles stick together through collisions. As collisions takes place, it grows into kilometer-sized planetesimals. Gravitational interactions lead to the formation of planets. Lead to formation of steroids belts and varying planet sizes 3. Encounter hypothesis. States that the sun encountered a rogue star. The encounter led to the removal of hot gas from both stars due to their gravitational interaction. The hot gas then accumulated and formed the planets. The materials from the less dense rogue star formed the other planets, while that from the sun formed the inner planets. 4. TIDAL HYPOTHESIS. (also called the Tidal Theory) is an early scientific idea about how the solar system might have formed. Proposed by James Jeans and Harold Jeffreys. A massive star passed very close to the early Sun. The hot gas then accumulated and formed the planets. The materials from the less dense rogue star formed the other planets, while that from the sun formed the inner planets. Streams of hot gas were drawn out from the Sun in elongated shape. These streams eventually condensed and cooled, forming planets, moons, and other bodies in the solar system. 5. Not accepted theory. Later studies showed the streams of hot gas would disperse too quickly into space instead of condensing into planets. The theory also couldn’t explain the specific orbital patterns and compositions we see today. Modern science favors the Nebular Hypothesis, which explains solar system formation through the collapse of a rotating gas cloud. Earth as the only habitable planet 1. Right Distance from the Sun (The Goldilocks Zone). Not too hot, not too cold — just right for liquid water to exist. 2. Atmosphere with Oxygen. Earth has a mix of gases, especially oxygen, which most living things need to survive. 3. Liquid Water. Earth has oceans, rivers, and rain — water is essential for all life. 4. Magnetic Field. Earth’s magnetic field protects us from harmful solar radiation. 5. Stable Climate. The atmosphere and natural cycles keep temperatures and weather mostly stable over time. 6. Rich Resources. Earth has soil for growing food, minerals, and energy sources that support life and technology. Solar explorations 1. AUGUST 6, 2014. First space craft to orbit a comet (ROSETTA PROBE). Captures the comet photograph. -Comets have coma and tail as it approaches to the sun. 2. JULY 14, 2015. NASA’s New Horizons spacecraft made history by becoming the first spacecraft to fly by Pluto, giving us our first close-up look at the dwarf planet. First time visiting Pluto. Before this, Pluto was just a blurry dot in telescope images. Revealed a surprising world New Horizons showed mountains of ice, smooth plains, and a heart-shaped region called Tombaugh Regio. Changed what we knew. Scientists thought Pluto would be dull and frozen — instead, it turned out to be geologically active and incredibly complex. 3. SEPTEMBER 8, 2016. NASA launched OSIRIS-REx, the first U.S. mission to collect a sample from an asteroid and return it to Earth. Changed what we knew. Scientists thought Pluto would be dull and frozen — instead, it turned out to be geologically active and incredibly complex. OSIRIS-REx stands for: Origins, Spectral Interpretation, Resource Identification, Security–Regolith Explorer It was sent to study the asteroid Bennu, a near-Earth asteroid about 500 meters wide. Mission Goals: Collect a sample of surface material from Bennu Study the asteroid’s omposition, structure, and history. Mission Goals: Help scientists understand the origins of the solar system. Learn more about asteroids that could impact Earth. 4. August 12, 2018: Launch of NASA’s Parker Solar Probe, the first spacecraft to "touch" the Sun by flying through its outer atmosphere, called the corona. Mission Goal: To study the Sun up close and help scientists understand: How the solar wind (a stream of charged particles) is formed. Why the Sun’s corona is hotter than its surface. What causes solar storms that can affect Earth’s satellites and power grids. 5. November 26, 2018: NASA’s Insight Lander Touches Down on Mars. Its mission was focused on studying the interior of the Red Planet (crust, mantle, and core of the planet). Why the Sun’s corona is hotter than its surface. What causes solar storms that can affect Earth’s satellites and power grids 6. November 26, 2018: NASA’s Insight Lander Touches Down on Mars. Its mission was focused on studying the interior of the Red Planet (crust, mantle, and core of the planet) 7. JULY 30, 2020 PERSEVERANCE PROBE. Perseverance rover as part of the Mars 2020 mission aboard an Atlas V-541 rocket This marked a major step in Mars exploration. 8. DECEMBER 25, 2021-JAMES WEBB SPACE TELESCOPE. Investigate exoplanets’ atmospheres for signs of habitability. Observe the first galaxies formed after the Big Bang. Study the formation of stars and planetary systems. Look deeper into the infrared universe than ever before. RESULTS OF EXPLORATION • Evidence of Ancient Life-friendly Environment. • Sedimentary rocks formed in water-rich environments. • Signs of clay and carbonate minerals, which can preserve biosignatures (traces of past life). • Evidence of Ancient Life-friendly Environment. • Sedimentary rocks formed in water-rich environments. • Signs of clay and carbonate minerals, which can preserve biosignatures (traces of past life). • Evidence of Ancient Life-friendly Environment. • Sedimentary rocks formed in water-rich environments. • Signs of clay and carbonate minerals, which can preserve biosignatures (traces of past life).
What is Historical Fiction? Historical fiction is stories set in the past. Yes, it sounds like a paradox or contradiction, but historical means factual elements and fiction means not real. However, there are things that we must pay attention to as people studying this genre. Historical fiction seeks to recreate the appearance of a time past, reconstructing characters, events, movements, ways of life, and the spirit of a bygone day. The time period--and its portrayal--is at the core of the story. Historical Fiction is written with a careful balance of research and creativity, they transport readers to another time and place—which can be real, imagined, or a combination of both. Many historical novels tell stories that involve actual historical figures or historical events within historical settings, though other elements such as persons or events might be fabricated. Historical fiction often presents actual events from the point of view of fictional people living in that time period. In some historical fiction, famous events appear from points of view not recorded in history, with fictional characters either observing or actively participating in these actual events. Historical figures are also often shown dealing with these events while depicting them in a way that has not been previously recorded. Other times, a historical event is used to complement a story's narrative, occurring in the background while characters deal with situations (personal or otherwise) wholly unrelated to that historical event. Sometimes, the names of people and places have been in some way altered. Historical fiction depicts settings that tend be real and drawn from history, and often contains actual historical persons, but the main characters tend to be fictional. Writers of stories in this genre, while penning fiction, attempt to capture the manners and social conditions of the persons or time(s) presented in the story, with due attention paid to period detail and fidelity. Historical fiction is found in books, magazines, art, television programming, film, theater, video games and other media. Writers of this genre are given artistic license in regard to presentation and subject matter, so long as it does not deviate in significant ways from established history. NOTE: When author’s include elements from one time period in another time period this is called Anachronism. For example, if one of the knights of the Round Table wore a wristwatch or a character during the Civil Rights era made a call using a cell phone.