Cities: Discover How They Work with 25 Projects
By Kathleen M. Reilly and Tom Casteel
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About this ebook
To a child, a city is a chaotic, vibrant community whose workings can seem quite mysterious. How did people create subways? How does the water get to the very top of a skyscraper? Is there any organization to a bustling metropolis? Cities: Discover How They Work gives kids a view into the inner functioning of urban areas. They'll learn about all the parts that come together to make cities work and how they've grown and changed since the very first riverside settlements.
Fascinating sidebars, unique illustrations, Words to Know, and fun Did You Know facts combine with age-appropriate hands-on activities to make learning about complex urban environments fun and reinforce learning. Projects include creating subway cut-aways to understand how transportation systems work, building an aqueduct to learn how cities get water, and experimenting with skyscraper design and water filtration. This STEAM title, which integrates science, technology, engineering, art, and math includes a glossary, list of resources, and index.
Cities meets common core state standards in language arts for reading informational text and literary nonfiction and is aligned with Next Generation Science Standards. Guided Reading Levels and Lexile measurements indicate grade level and text complexity.
Kathleen M. Reilly
It all started with a four-inch book written in green crayon on peach paper, called "The Rabbet and Dog and Cat." Yes, I realize that's not how rabbit is spelled. I know that now. But when I was five, I wasn't worried about the spelling. I was too busy creating my masterpiece ("illustrated by the author"). Today, my features appear in publications such as: Parents, Better Homes & Gardens, Family Circle, American Baby, FamilyFun, Woman's Day, Ladies' Home Journal, and others. I write more than just features, though. My fiction includes a middle grade adventure (SUMMER AT FORT TARMETTO: SEARCH FOR REGINALD PEPPERS' LEG), a chick lit series (HALFSIE), and a forthcoming young adult novel (SHE). I've also written a Disney activity book for kids (WALT DISNEY WORLD EXTREME VACATION GUIDE FOR KIDS), available here on Smashwords and other retailers. And I've written nine science books for kids in print with Nomad Press. They're available on Nomad's site (www.nomadpress.net) and at book sellers. Drop me a line -- I'd love to connect with you!
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Cities - Kathleen M. Reilly
Introduction
When you think of a city,
what comes to mind? If you live in a suburban or a rural area, you might imagine a city skyline with buildings of all sizes lined up against the horizon. Maybe you think of a city as an exciting place to visit. If you live in a city, you might picture your neighborhood grocery store or the two blocks you walk to your friend’s house. It’s home to you.
Words to Know
suburban: relating to an outlying district of a city.
rural: relating to the countryside rather than a city or town.
No matter what city you visit, you’ll find a concentrated area with a large number of residents, activities, and businesses. These all work together and interact like big gears in a machine.
Words to Know
resident: a person living in a particular place.
livestock: animals raised for food and other uses.
public transportation: transportation such as buses and trains that anyone can use by paying a fare.
subway: an underground railroad, especially one powered by electricity.
In a city you’ll feel an energy that is very different from a rural area, which has large areas of open land where there aren’t many houses or businesses. Open land might be owned by someone who doesn’t want anything built on it, or it might be used as parkland or to raise livestock. Houses can be miles apart, and you have to take a trip into town
in your car to go to stores and get supplies.
In between rural areas and cities are suburban areas with less open land. Houses are closer together, gathered in neighborhoods. You might be able to walk to a few stores, but usually you have to drive in your car.
In many cities, you almost never need to ride in a car. You can get most places by walking or taking public transportation such as a taxi, bus, or subway. You might live just steps away from your neighbors in an apartment or townhouse.
EVERYTHING IN A CITY IS CLOSE BY.
Words to Know
power grid: a network of cables above and below ground that carries electrical power throughout a region.
population: all of the people in an area or in a group.
In this book, you’ll learn how cities started, how they’ve grown, and what their future looks like. You’ll also get up close
and discover how the many different and complex parts of a city work, such as the transportation system and the flow of water in, around, and out of the city. If you live in a city, you’ll learn about the hidden
parts of life around you that you don’t think about in your daily life. For example, do you know how the power grid works? If you’ve never visited a city, you’ll learn more about what’s going on above and beneath ground than most people know who have lived there all their lives.
If you do get a chance to visit one of the many exciting cities of the world, you’ll have a great appreciation for the planning, design, and operation involved in making sure all its systems are operating together. And you’ll probably have more patience than the locals if the subway breaks down!
CHAPTER 1
The Birth of a City
You wake up in the morning, climb out of bed, walk across the room, and pull open the curtains of your apartment windows.
Outside, the world around you is already bustling and full of life.
Buses rumble past, bright yellow taxis honk their horns and pick up passengers, customers hurry in and out of the stores carrying bags.
Dozens of people walk past on the sidewalk below. Streetlights blink their directions to drivers and pedestrians, and there’s a steady stream of urban sounds. This is city life, and you’re a part of it.
ALL THESE PEOPLE, ALL THIS ACTIVITY AND ORGANIZATION—IT WASN’T ALWAYS LIKE THIS. SO HOW DID CITIES START?
IN THE BEGINNING
Your distant ancestors didn’t even have a permanent place to live. Around 8500–6500 BCE, nomads moved around, following the migration patterns of the animals they hunted for food and the growing seasons of the plants they ate.
Over time, people figured out how to settle in certain areas. They learned to grow crops and to raise animals for food. Groups of people settled together for safety, companionship, and to share the work. These were the first permanent communities—the earliest beginnings of the cities we know today.
Words to Know
pedestrian: someone traveling on foot.
urban: relating to a city or large town.
nomad: a person who moves from place to place in search of food.
migration: the movement of a large group of animals or people from one location to another.
crop: a plant grown for food or other uses.
community: all the people living in a particular area or place.
Words to Know
goods: items that can be bought, sold, or traded.
service: work done for others as a job or business, such as a doctor providing medical services.
trading center: a central place where people meet to exchange goods.
commerce: the activity of buying, selling, and trading.
LET’S TRADE!
Soon, people figured out that they could swap goods and services to get what they needed. A person who made pottery, for example, could trade with someone who made weapons. Some communities became trading centers, where people brought their goods to swap with others. As these communities grew, they began to resemble more closely the cities of today—busy areas where commerce takes place.
Why some communities became trading centers depended a lot on location. Being near a waterway helped an area get more traffic and grow faster. After all, people didn’t want to travel for days across a desert loaded down with goods. They’d much rather float their goods down a river to reach a growing community. As trade expanded to distant parts of the world, access to waterways allowed traders to send their goods on ships and receive shipments from other lands.
A NAME BY ANY OTHER
Once an area was established, people needed to call it something to identify it when talking with others. Today, you can often trace the name of a city back to its origins.
Words to Know
established: a custom, belief, practice, or place that is recognized after having been in existence for a long enough time.
origin: the place or moment when something comes into existence.
factory: a large place where goods are made.
• Cheektowaga, meaning land of the crabapples,
was named by the Seneca Native Americans in western New York for the small, fruit-bearing trees that grow there.
• Detroit, Michigan, was named after the river linking Lake Huron and Lake Erie. Detroit
is the French word for strait,
which means a channel of water.
• Oakland, California, got its name because of a thick area of oak trees.
• New York was originally settled by the Dutch and called New Amsterdam after their city in Holland. When the English took control, they changed the name to New York in honor of the Duke of York. The old
York is a city in England.
• Hershey, Pennsylvania, was named after the chocolate maker Milton Hershey. He opened the world’s first modern chocolate factory and built the town for its employees and their families to have a place to live, work, and play.
• Today, Mumbai, India, is called by its original name. When Britain controlled the city, it was known as Bombay.
.
A source of fresh water was also important because traveling traders and their thirsty animals needed it to drink. And people who lived in these trading centers needed it to survive. But a trading community also needed to be located near intersections of major travel paths on land, so people not traveling on water could reach them.
As communities grew in size and in wealth, fewer people had to spend long hours growing crops or tending livestock. Some people were free to turn their attention to other things such as education, recreation, arts, religion, and inventions.
Words to Know
society: an organized community of people.
culture: the beliefs and way of life of a group of people.
From skilled craftsmen to laborers and great thinkers, growing