The need for speed is the motivating factor in this engaging, Spanish book. Readers learn the history of travel from the very slow to the supersonic and beyond, including everything in between. They learn and discover the factors that influence motion for all types of vehicles: land, air, and water alike. They also learn different ways to measure speed and read about energy uses for different vehicles. With greater speed comes greater risk. Readers learn how engineers are always seeking new and better ways to keep people safe as they travel faster and go farther. This 6-Pack includes six copies of this title and a lesson plan.
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Desarrollo Y Aplicacion De Un Indice De Calidad De… This investigation presents the development of a water quality index (WQI) for the rivers in Puerto Rico. This index intent to classify the water quality in a scale from 0 to 100 according to the evaluate constituent and this allow to classify the water according to its state, good, moderate,…
¡pop! Presión Del Aire Y Del Agua (pop! Air And… What does swimming in a pool, drinking through a straw, breathing in air, and circulating blood all have in common? They all require a form of air or water pressure! Readers will discover the variety of ways that air and water pressure make an impact on our lives and the…
¡pop! Presión Del Aire Y Del Agua (pop! Air And… What does swimming in a pool, drinking through a straw, breathing in air, and circulating blood all have in common? They all require a form of air or water pressure! Readers will discover the variety of ways that air and water pressure make an impact on our lives and the…
Practical Spanish For The Working Lawman Law Enforcement Offi cer’s evaluati on comments relati ng to Gary L. Ermoian and Practi cal Spanish for the Working Lawman: Gary is one of the bett er instructors. His material is well organized and he has an excellent presentati on... I progressed from no understanding of Spanish to being…
