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Mark Twain's semi-autobiographical travel memoir, "Roughing It" was written between 1870-1871 and subsequently published in 1872. Billed as a prequel to "Innocents Abroad", in which Twain details his travels aboard a pleasure cruise through Europe and the Holy Land in 1867, "Roughing It" conversely documents Twain's early days in the old wild west between the years 1861-1867. Employing his characteristically humoristic wit and flare for regional dialect,...

Explore the history of the discovery and the properties of the quark, one of the most basic constituents of matter.

Explore the history of the discovery and the properties of the electron, the negatively charged subatomic particle that orbits around an atom's nucleus.

Explore the history of the discovery and the properties of the neutrino, one of the smallest subatomic particles.

Expanding on our popular Let's Explore Science series, this book focuses on Hypothesis, Theory, and Law. All three of these are important in the process of scientific inquiry, which is the way scientists study the natural world. As they explore, they develop explanations based on what they learn from their work. By forming a hypothesis, testing and evaluating theories, and describing the laws that exist in chemistry and physics, students will learn...

Science fairs can be a timely assignment, but they can also be fun, rewarding, and sometimes help you to earn scholarships and prizes, too! The recipe for a great science fair or engineering project has just a couple of simple ingredients: a topic you care about and a question you can test. Learn every step of how to make your next science fair or engineering project a winner by following the detailed instructions, helpful hints, and design information...

The science of motion affects us every day. In this STEAM title, explore and test the laws that affect every move we make. This title supports NGSS for Motion and Stability.

This informative book explores the collecting and analyzing data step of the scientific method. Readers will learn precisely what data is and how to understand it in simple, straightforward language. With concrete examples of discoveries made by real-life scientists, this book makes a case for how important data and the ability to analyze it truly is. This book also provides accessible experiments that readers can do at home to foster a greater understanding...

Explore the history of the discovery and the properties of the photon, the particle that comprises light.

Greek philosophers first hypothesized that matter was composed of atoms, but the theory would not resurface again until the late 17th century. The idea that that atoms joined to form structures called molecules first appeared in the 19th century and helped explain why gases, liquids, and solids behave differently from one another. In the 20th century subatomic particles were discovered-electrons, protons, and neutrons-and atomic structure was finally...