Sadržaj • Snelov zakon • Refrakcija • Refleksija • Optika • Prizme • Lenses • Svjetlost Description Explore bending of light between two media with different indices of refraction. See how changing from air to water to glass changes the bending angle. Play with prisms of different shapes and make rainbows. Primjeri obrazovnih ciljeva • Explain how light bends at the interface between two media and what determines the angle. • Apply Snell’s law to a laser beam incident on the interface between media. • Describe how the speed and wavelength of light changes in different media.

IlOJ1yt1HJIOCb OKOJIO 11 KWIOMeTPOB. 3T0 npaBA0110Z106H0. NoqTH 20 H3 Ka)KAb1X 100 yqaCTHHKOB Er3 2014 roaa He cMornH peWHTb 3TY 3a- Aaqy. NonyqhB BePHble OH' OUJh6nhCb B nopRAKe h nocnaJ1h caMone-T B.

• Describe the effect of changing wavelength on the angle of refraction. • Explain how a prism creates a rainbow.

In the book 'All the best songs, nursery rhymes, lullabies' includes not only folk songs 'here Comes a creep.' , 'Lived at the Granny two cheerful goose.' , 'a Magpie' cooked porridge.' , but the famous songs by S. Marshak from English folk poetry 'the House that Jack built.' , 'Gloves', 'Robin-Bobin' and songs by E. Karganova from the cartoon 'plasticine crow', 'Antoshka' 'Song of the mouse', 'Cheburashka', 'Hello Hello!'

All those songs you know and love to modern parents. Their grandparents and they will love the baby. Drawings Costrini I., Sokolov, S. Bordiuh.Trepenok and other artists. For children up to 3 years. Zhurnal proizvodstva rabot obrazec zapolneniya.

Pair this book 'the Best songs, nursery rhymes, lullabies'. The fairy tale of E. Uspensky 'the Wizard Bahram' is a very funny fantasy story about the 'Lord of the underworld', which in his old age, finally decided to get a student. Without thinking, he sent his servant to the earth's surface to steal the first available boy and dragged him under the earth to learn magic. However, the wizard did not realize that modern boys, and especially girls, are quite timid and docile, as in ancient times. New student arranged under the ground for a real revolution! For primary school age.

The main tasks of this book is to form a child's first mathematical representation and the skills of writing, mathematical signs and symbols. Doing the job, he will learn the numbers, practice to write neatly on the cell. A large number of developmental tasks will make the training arm to the letter exciting game.

Addressed to older preschool children, their parents and educators and may be used for practicing at home and in kindergarten. The book will help the child: strengthen the muscles of the hands, to prepare the hand for writing, to form a visual-figurative thinking, to develop voluntary attention, visual perception, graphic skills, to expand vocabulary, effectively prepare for school.