Carve out effective intervention and extension time at all three tiers of the RTI pyramid. Explore more than a dozen examples of creative and flexible scheduling, and gain access to tools you can use immediately to overcome implementation challenges. These books are full of examples from real schools that have achieved these results without using additional resources or extending the school day.

Carve out effective intervention and extension time at all three tiers of the RTI pyramid. Explore more than a dozen examples of creative and flexible scheduling, and gain access to tools you can use immediately to overcome implementation challenges. These books are full of examples from real schools that have achieved these results without using additional resources or extending the school day.

This book has three main goals. First, it explores a selection of topics from the early period of the theory of relativity, focusing on particular aspects that are interesting or unusual. These include the twin paradox; relativistic mechanics and its interaction with Maxwell's laws; the earliest triumphs of general relativity relating to the orbit of Mercury and the deflection of light passing near the sun; and the surprising bizarre metric of Kurt Gödel, in which time travel is possible. Second, it provides an exposition of the differential geometry needed to understand these topics on a level that is intended to be accessible to those with just two years of university-level mathematics as background. Third, it reflects on the historical development of the subject and its significance for our understanding of what reality is and how we can know about the physical universe. The book also takes note of historical prefigurations of relativity, such as Euler's 1744 result that a particle moving on a surface and subject to no tangential acceleration will move along a geodesic, and the work of Lorentz and Poincaré on space-time coordinate transformations between two observers in motion at constant relative velocity. The book is aimed at advanced undergraduate mathematics, science, and engineering majors (and, of course, at any interested person who knows a little university-level mathematics). The reader is assumed to know the rudiments of advanced calculus, a few techniques for solving differential equations, some linear algebra, and basics of set theory and groups.

In It's About Time, N. David Mermin asserts that relativity ought to be an important part of everyone's education--after all, it is largely about time, a subject with which all are familiar. The book reveals that some of our most intuitive notions about time are shockingly wrong, and that the real nature of time discovered by Einstein can be rigorously explained without advanced mathematics. This readable exposition of the nature of time as addressed in Einstein's theory of relativity is accessible to anyone who remembers a little high school algebra and elementary plane geometry. The book evolved as Mermin taught the subject to diverse groups of undergraduates at Cornell University, none of them science majors, over three and a half decades. Mermin's approach is imaginative, yet accurate and complete. Clear, lively, and informal, the book will appeal to intellectually curious readers of all kinds, including even professional physicists, who will be intrigued by its highly original approach.

Tommie, Chuckie, and their friends are excited when they are allowed to submit items for burial in a time capsule.

It’s About Time is sure to become an instant family favorite! Will Grandma be able to help Big Hand and Little Hand agree to compromise and resolve their differences so they can teach children how to tell time? In this heartwarming story, children will see how working together to get a job done can only be accomplished when everyone cooperates and feels they are important. This book includes additional activities that will teach children how to tell time as well as create opportunities for enjoying time spent with others.