Read the text about the world youth games in moscow

to have a pet at home is a very good thing. and it is not important what pet you have. you may have a dog, a cat, a hamster, a parrot or a fish. the most popular pets are cats and dogs.

a cat is good for a small flat, and if you live in a big flat or a house you can keep a dog. it’s much simpler to have a cat because you don’t have to walk a cat every day.

dogs are best friends of people. these animals are very clever and understand you very well. but you must remember that keeping a dog in a flat is not that easy. you need to walk it two or three times a day. so, you have to get up earlier in the morning and it also takes time to feed the dog. dogs are hairy animals and they have a specific smell. nevertheless, dogs are wonderful animals. i love dogs.

people usually keep hamsters, rats, mice and rabbits. these animals are rather easy to look after. these animals are funny, but all they do is eating.

science

science can be found around us. science is the way we discover information about world, study this information, and use this information in many different ways. everything in the world that we use now once was made by science. everything starts with discovery and then study. today we are using knowledge of an age science, which can open a whole new world. for instance, chemistry science discovers elements and using these elements in chemical bonding. physics science uses discovered laws and properties such as gravity, motion, force, speed and so science goes beyond chemistry and physics, it's all around us. science is to discover information about natural world and space, to help us  understand our existence.