This is a comprehensive science textbook for Grade 10. You can download or read it on-line on your mobile phone, computer or iPad. Every chapter comes with video lessons and explanations which help bring the ideas and concepts to life. Summary presentations at the end of every chapter offer an overview of the content covered, with key points highlighted for easy revision. Topics covered are: skills for science, classification of matter, states of matter, kinetic molecular theory, the atom, the periodic table, chemical bonding, transverse pulses, transverse waves, longitudinal waves, sound, electromagnetic radiation, particles, compounds, physical and chemical change, representing chemical change, magnetism, electrostatics, electric circuits, reactions in aqueous solution, quantitive aspects of chemical change, vectors and scalars, motion in one direction, mechanical energy, the hydrosphere. This book is based upon the original Free High School Science Text series.

This lesson, from Engage New York, has students investigating:the forces involved in constructing a stone archadd and subtract vectors given in magnitude and direction formsolving problems that can be represented by vectorsThis lesson has teacher and studnet versions in both PDF and Word form. In this lesson, students will investigate the forces involved in constructing a stone arch utilizing the web app GeoGebra. This investigation also use a PBS Learning/NOVA site to enhance the learning so the students have context. There are structured questions for opening and discussion of possible impacts on stone arches. Students will work on GeoGebra to find resultant vectors. Then there is a structed exploratory activity for students to calculate magnitude and direction of force vectors. This lesson also provides an optional Exit Ticket to determine if students have achieved the learning goals of the lesson.