A car is a type of automobile designed for personal transportation. It is powered by an engine, usually using gasoline or electricity, and typically has four wheels. Cars are commonly used for driving on roads and can carry passengers and sometimes small loads. They come in various shapes and sizes, such as sedans, hatchbacks, and SUVs, with different features like air conditioning, music systems, and safety equipment. Cars are essential for everyday travel, whether for commuting, errands, or long trips.

What is a "car"?

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computer

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Deoxyribonucleic acid (DNA) is a molecule that contains the genetic instructions for the development, functioning, and reproduction of all living organisms. DNA is made of two long, twisted strands that form a spiral shape, and it carries the hereditary information used to build and maintain an organism. Each segment of DNA, called a gene, provides instructions for making specific proteins that influence traits and manage various bodily functions. DNA is found in the cells of all living things and is passed from parents to children, directing growth and development.

What is "deoxyribonucleic acid"?

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Electricity is a form of energy that flows through wires and powers devices like lights, computers, and appliances. It is produced in power plants by converting other types of energy, such as burning coal, using wind, or harnessing sunlight. Electricity can be stored in batteries or used immediately when needed. It is essential for modern life and is used in homes, businesses, and factories. Although it is a very convenient energy source, producing electricity can sometimes cause pollution, especially when fossil fuels are used. Efforts are being made to use cleaner sources of electricity.

What is "electricity"?

electricity

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evolution

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gravity

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The Internet is a global network that connects millions of computers and devices, allowing them to communicate with each other and share information. It enables users to access websites, send emails, watch videos, play games, and use various online services. The Internet relies on a system of servers, routers, and protocols to ensure that data travels efficiently between devices across the world. It has become an essential tool for communication, education, business, and entertainment, shaping modern life in countless ways.

What is the "Internet"?

the Internet

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A microscope is a scientific instrument used to magnify small objects, making them easier to see in detail. It consists of lenses that focus light to create a magnified image of the object being observed. Microscopes are commonly used in biology, chemistry, and medicine to study tiny structures like cells, bacteria, or small organisms. There are different types of microscopes, such as light microscopes, which use visible light, and electron microscopes, which use electron beams for even higher magnification. Microscopes help scientists and researchers examine things that are too small to be seen with the naked eye.

What is a "microscope"?

microscope

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nuclear power

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Penicillin is an antibiotic medication used to treat bacterial infections. It belongs to a type of antibiotics called beta-lactams, which work by stopping the bacteria's ability to build their cell walls, leading to their destruction. Penicillin is effective against a wide range of bacterial infections, including strep throat, skin infections, ear infections, and certain sexually transmitted diseases. It was the first antibiotic discovered and has since saved countless lives by fighting bacterial infections effectively. However, some individuals may be allergic to penicillin, so it is important to inform healthcare providers before taking it.

What is "penicillin"?

penicillin

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Printing is the process of transferring text and images onto paper or other materials using various techniques. It involves applying ink to a surface to produce readable and visually appealing results. Printing methods can include offset printing, where ink is transferred from a plate to a rubber blanket and then to the paper, digital printing, which uses electronic files and inkjet or laser technology, and other techniques like letterpress or screen printing. The goal of printing is to produce high-quality, consistent reproductions of text and images for various purposes, such as books, magazines, newspapers, packaging, and promotional materials.

What is "printing"?

printing

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telephone

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A telescope is an optical instrument used to observe distant objects, such as stars, planets, and galaxies. It uses lenses or mirrors to gather and focus light, allowing the viewer to see objects far away in greater detail. Telescopes are commonly used in astronomy to study celestial bodies and in science to explore the universe. There are different types of telescopes, such as refracting telescopes, which use lenses, and reflecting telescopes, which use mirrors. Telescopes can be found in observatories or used for personal stargazing.

What is a "telescope"?

telescope

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A television (TV) is a device used to receive and display broadcasted or streamed video and audio content. It allows viewers to watch shows, movies, news, and other programming on a screen. Televisions come in various sizes and types, including traditional cathode ray tube (CRT) models, flat-panel LCD and LED screens, and advanced 4K and OLED displays. Modern televisions often include features such as internet connectivity for streaming services, smart TV capabilities for accessing apps, and high-definition resolution for clearer, more detailed images.

What is a "television"?

television

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A wheel is a circular part that allows a vehicle to move by rolling along the ground. It is typically made of metal or other strong materials and is attached to an axle, which helps it rotate. Wheels are essential for all types of vehicles, from cars to bicycles, as they support the vehicle's weight and provide the movement needed for travel. The tire, which covers the wheel, provides grip and helps cushion the vehicle as it moves. Without wheels, vehicles would not be able to move efficiently.

What is a "wheel"?

wheel

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writing

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X-ray

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airplane

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Here you will find the vocabulary from Culture 7 in the Solutions Elementary coursebook, such as "evolution", "gravity", "microscope", etc.

솔루션 초급 "문화 7" 어휘