Using Coal, Oil, and Gas
This book answers the questions What are coal oil and natural gas? What arefossil fuels made of? How do we get fossil fuels? How do we use fossil fuels? »

Using Air
This book answers the questions What is air? What is air made of? How do weknow air is all around us? How do we use air? Can we run out of air? How do weclea... »

Usar las Plantas = Using Plants
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Costa Rica Abcs
A Book about the People and Places of Costa Rica »

The Periodic Table
Mapping the Elements »

Aprender de los Fosiles = Learning from Fossils
This series offers a first introduction to natural resources such as waterair or fossil fuels and why they are important. In simple language each bookexplain... »

Garbage Cans and Landfills
Garbage Cans and Landfills »

Using Soil
Explores questions such as what they are where they come from and how we usethem in everyday life. This book includes suggested classroom and playgroundactiv... »

Explorar los Recuros del Planeta Set = Exploring Earth's Resources Set
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Usar el Carbon, el Petroleo y el Gas = Using Coal, Oil, and Gas
Usar el Carbon, El Petroleo Y el Gas/ Using Coal, Oil, and Gas »