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Hosting the Olympic Summer Games
Shell Education 2008; US$ 8.99Every Olympics has a host city. The ancient Olympic games were held every 4 years in Greece, but the modern Olympic Games have been over 20 different host cities. The Games use stadiums where spectators can watch the events. The Olympic Games help tourism in the host cities. The host cities have to house and feed the athletes and it can cost them around... more...
En la estacion de bomberos (At the Fire Station)
Shell Education 2008; US$ 8.99Firefighters fight fires using fire engines that carry water to spray onto a fire. Fire engines have become more advanced over time. First there were carts pulled by horses, and now there are motorized vehicles which can carry tons of water to a fire. Fire hydrants help firefighters get more water to put out fires. Firefighters wear special clothes... more...
Medidas naturales (Natural Measures)
Shell Education 2008; US$ 8.99We need to measure the things around us in order to build and make things. Before we had standard measures, people used natural measures including body parts and objects. One of the first measures was a cubit—the length of a man's arm from his elbow to the tip of his middle finger. Another was the mile, which was equal to 1,000 steps. Some... more...
Tomar el tiempo (Tracking Time)
Shell Education 2008; US$ 8.99Time is something that helps us keep track of our lives including things in the past, present, and future. Before, people used the sun and the cycle of the moon to tell the time. After many different contraptions were invented to measure time, advanced clocks, such a quartz crystal clocks, and atomic clocks were invented that help us keep track of... more...
Medida del tiempo en las carreras (Timing Races)
Shell Education 2008; US$ 8.99In races, we want to know who comes in first and how long it took him or her to finish. Before we used manual stopwatches, but today we use digital timers. There are many rules in races to make sure the times are accurate. People try to break world records in races, and the times are only fractions of a second apart. more...
Natural Measures
Shell Education 2008; US$ 8.99This book really measures up! It provides historical background and details about how length, distance, volume, weight, and time were measured in the past. An introduction to many of the necessary terms for a better understanding of measurement, such as scale, perimeter, and ruler is provided along with detailed photos and images to help the readers... more...
At the Fire Station
Shell Education 2008; US$ 8.99Firefighters fight fires using fire engines that carry water to spray onto a fire. Fire engines have become more advanced over time. First there were carts pulled by horses, and now there are motorized vehicles which can carry tons of water to a fire. Fire hydrants help firefighters get more water to put out fires. Firefighters wear special clothes... more...
Tracking Time
Shell Education 2008; US$ 8.99Time is something that helps us keep track of our lives including things in the past, present, and future. Before, people used the sun and the cycle of the moon to tell the time. After many different contraptions were invented to measure time, advanced clocks, such a quartz crystal clocks, and atomic clocks were invented that help us keep track of... more...
Timing Races
Shell Education 2008; US$ 8.99In races, we want to know who comes in first and how long it took him or her to finish. Before we used manual stopwatches, but today we use digital timers. There are many rules in races to make sure the times are accurate. People try to break world records in races, and the times are only fractions of a second apart. more...
Towns and Cities
Shell Education 2009; US$ 8.99Discover how perimeter and area are used to design the plans for a city or town including public recreation centers such as parks, swimming pools, and tennis courts. Towns and Cities also introduces regular shapes in the layout of suburban homes and irregular shapes in the construction of landscaping these homes. more...
