Ponds, lakes and streams are homes to a host of fish, algae and other water organisms. Find out which creatures thrive in this delicate environment, and learn about those that live near the water's edge.
The Standard Deviants: Chemistry Part One covers: states of matter (liquids, solids, gases), physical properties of matter, chemical properties of matter, heterogeneous matter, homogeneous matter, atoms, compounds, molecules, The Periodic Table, The Metric System, SI Units, significant figures, scientific notation, unit factor method, stoichiometry, balancing chemical equations, Law of Conservation of Mass, atomic and molecular weights, mass number, atomic number, isotopes, ions, atomic mass units, moles, molecular mass, molar mass, percent composition...
Видео - приложение к учебнику УМК "Английский в фокусе" ("Spotlight") для 1 класса на DVD-video. Характерно цикличное повторение изученного материала. Для закрепления и повторения пройденных структур и лексики. Учитывая психологические, типологические и возрастные особенности младших школьников, кроме видео сопровождения всех элементов урока (анимированных диалогов, песен и тд), используются разнообразные по форме и содержанию упражнения и задания, которые сопровождаются красочными иллюстрациями и музыкой.
Changing the course of rivers has changed the course of history. Award-winning author-illustrator- and captivating storyteller- David Macaulay (The Way Things Work) goes to extremes to bring you an unprecedented look at the power of dams. From the banks of the Nile to the top of the Hoover Dam, you’ll meet the courageous and ambitious builders, relive the deadly disasters, and discover the little-known personal triumphs and tragedies behind the greatest dams ever built.
