Presents the origins of oil and its first use in industry, and describes how it is found, mined, and processed into many different products that are used all over the world.
Describes the water cycle, following the journey of a raindrop from source to resource, and exploring how water is used in the home and in industry and why it is important to conserve water.
"Most of us eat three full meals a day, but where does the food that reaches our plates, stocks our fridges, and fills the supermarket shelves come from? This informative book shows how methods of gro
