Spilsbury, Richard

Discusses the history of airplane designs from the twentieth and twenty-first centuries.

This book explores electricity, the phenomenon that keeps the modern world up and running.

Readers learn how integral robots have become in many parts of industry, including in production, factories, and situations dangerous for people.

Learn about igneous rocks, including what they are and how they are formed.

Learn about metamorphic rocks, including what they are and how they are formed.

Learn about sedimentary rocks including what they are and how they form.

Provides questions and answers focused on materials, their properties, and their different uses. Includes instructions for three experiments.