Zanieczyszczenie wód jest spowodowane głównie substancjami chemicznymi, bakteriami i innymi mikroorganizmami, obecnymi w wodach naturalnych w zwiększonej ilości. Subs

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• Kids and Teens: Health: Conditions and Diseases: Learning Disabilities  (9)
• Kids and Teens: Health: Emotional Health and Wellbeing: Bullying  (21)

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» ABC Learn Online [ Kids/Teens ] - ABC's Education gateway for children and youth.




» ABC Teach [ Kids ] - Includes dozens of free printable activities, research and report help, project and writing ideas, and diorama themes to print.




» Abiator's Interactive Index [ Kids ] - Interactive educational activities cover most curriculum areas.




» Activities for Online Learning for Kids [ Kids/Teens ] - Includes activities, games, and quizzes related to a variety of subjects.




» AMKSS 3/1'2005 Webbie [ Kids/Teens ] - Homepage for the class of 3/1/2005 of Ang Mo Kio Secondary School in Singapore. Offers news and updates on the class, as well as achievements, and photographs.




» Apples4theteacher.com [ Kids/Teens ] - Features games and fun activities in art, music, foreign languages, English, math, science, and social studies. For students from kindergarten to the 6th grade.




» BBC - Learning Schools [ Kids/Teens/Mature Teens ] - Learning resources for kids at home and at school. Find activities and games.




» BBC: The Little Animals Activity Centre [ Kids ] - Games, stories and things to do. Supports learning at home for children who are in their early school years.




» BerrysClass.net [ Kids ] - Mr. Berry's 4th grade class at Alachua Elementary in Florida. Pages include announcements, photo gallery, and resource links.




» Brain POP [ Kids/Teens/Mature Teens ] - Learn about your body, space, science and health. Have your homework questions answered with a movie, ask for advice, or just browse and learn. Some free sections but full access requires a paid subscription.




» The Children's University of Manchester [ Kids/Teens ] - Learn about the human body, energy, early Egypt, the earth, organisms, textiles and language . Features short lessons, quizzes and activities.




» Classroom Clipart [ Kids/Teens/Mature Teens ] - Provides educational clipart to be used on projects and reports. Clipart categories include countries, dinosaurs, animals, space, and weather.




» Cook with Lyle [ Kids ] - Interactive games and educational activities to help kids improve math and reading skills. Requires Flash and Shockwave plug-ins.




» DirectgovKids [ Kids ] - Learn about the environment, economics, food nutrition, safety, reading, and the meaning of words through games and activities.




» Doofuzz Dudes Club [ Kids ] - Play online games, do puzzles and win prizes, and download computer wallpaper, birthday invitations and coloring pictures.




» Dr Pedi : Why? What? How? [ Kids ] - Dr Pedi answers questions, such as why do we blink, what is pollution, why do we dream, and how should we take care of our teeth.




» EDinformatics: Math and Science Activity Center [ Teens/Mature Teens ] - Contains interactive activities for many science topics.




» Education by Design Kids Activities [ Kids ] - Online activities for kids including a Pokemon scrambler, math games, and a place to publish stories, jokes and poems.




» Education for Kids [ Kids/Teens ] - Free drill games related to math, language, social studies, and science.




» Education Place [ Kids ] - Free games, activities, and resources for students studying math, reading, social studies and science.




» Eeyore's Patch [ Kids ] - Winnie the Pooh and friends help teach children how to count, tell the time and learn about nature. Includes interactive exercises and sound files.




» Enchanted Learning [ Kids ] - Site for K-3rd grade students includes both online and printable activities for all subject areas.




» EZSchool [ Kids ] - Interactive tutorials, printable worksheets, and games.




» Farm Bureau Kids [ Kids ] - Features agriculture related games, homework help, and resources.




» GCSE Guide [ Teens/Mature Teens ] - Provides resources for the English and math portions of the test.




» GCSE Revising Revision [ Mature Teens ] - Tutorials, tips and advice for meeting General Certificate of Secondary Education requirements in maths, English and physics. Includes science coursework support.




» Go 4 Quiz [ Teens/Mature Teens ] - Have fun learning with short quizzes about countries, science and the Olympics. Includes answers.




» Gokidding [ Kids ] - Games, puzzles and quizzes are used to help young children learn to tell the time, count, read, and write stories. Free worksheets and colouring pages can be downloaded.




» iKnowthat.com [ Kids ] - Offers web-based educational activities for kids ages 2-12. Activities include stickerbooks, simulation games, painting, math and phonics.




» IPL2: For Kids - Math and Science [ Kids ] - Resources from Internet Public Library cover space, animals, earth science, history, math, physics, plants, and technology.




» IPL Kidspace [ Kids/Teens/Mature Teens ] - The Internet Public Library (IPL) features a searchable, subject-categorized directory of authoritative websites; links to online texts, newspapers, and magazines; and the Ask A Question online reference service.




» Janet's Planet [ Teens/Mature Teens ] - Contains video segments, whose topics range from the explanation of the food pyramid to the migratory habits of cranes.




» Just for Kids Only [ Kids ] - Includes math, reading, and science sections, as well as activities for parents to do with toddlers and preschoolers.




» Kbears.com [ Kids ] - Interactive Flash website for young children includes educational activities as well as fun and games.




» Kidcyber [ Kids ] - Covers topics in sports, space, the planet earth, animals, Australia, technology and inventions, animals, and food and my body.




» Kidport Home Page [ Kids/Teens ] - Provides interactive math, science, social studies and language arts activities for K-8th graders. Also includes teacher and parent pages. Requires Shockwave plug-in.




» Kids Courier [ Kids ] - Features news, science, reading, math and social studies resources.




» Kids Web India [ Kids/Teens/Mature Teens ] - Aimed at young people of all ages, with quizzes, puzzles, poems, photographs, games, and general knowledge.




» KidsGen [ Kids/Teens ] - Features hobbies and stories, jokes, poems, craft ideas, information about holidays and parties, school projects and magic tricks.




» KidZone [ Kids ] - Includes animal facts, Egyptian Hieroglyphs, language arts, magic tricks, math, planets, preschool writing skills, and science experiments.




» KOL Homework Help [ Kids ] - Elementary school students can search through educational sites for reference materials, tutorials, homework help, and games.




» Learning Haven [ Kids/Teens/Mature Teens ] - A learning resource covering most subjects and helping with homework. Also provides some free courses and activities.




» Macmillan McGraw-Hill [ Kids ] - Features free, interactive exercises in math, reading, social studies, science, health, and music. Aimed at elementary school children.




» Madder of Facts [ Kids/Teens ] - Offers timed facts quizzes on world capitals and multiplication.




» Make School Easy [ Kids ] - Simple games and puzzles to help learn the alphabet, tell time, count, and understand colors. Includes quizzes to download and print.




» MidLink Magazine [ Teens/Mature Teens ] - Bi-monthly online magazine created for middle and high school students around the world. Contains details of proposed and completed class projects.




» MrNussBaum.com [ Kids/Teens ] - Offers lots of games on topics such as math, language, science, and social studies.




» Mrs. Thonus's Third Grade Stars [ Kids ] - Includes spelling lists, ongoing homework assignments, curriculum related pages/links, class newsletter, student work and photographs of classroom activities in Marstons Mills East School in Massachusetts. Includes music.




» Ms. Jasztal's Fourth Grade Class [ Kids/Teens ] - Class page for students in Brooksville, Florida. Includes information about class projects, the teacher, parent tips, a clickable interactive map, and suggested resource links.




» My Kids Corner [ Kids ] - Features stories, rhymes, interactive activities, puzzles, coloring pages and alphabet pictures.




» Northumberland Teaching and Learning [ Kids ] - Resources and activities for teachers and pupils covering most curriculum areas. Online activities for literacy, numeracy, design and technology, as well as information on creating school web sites.




» PinkMonkey.com [ Teens/Mature Teens ] - Large collection of literature notes, online textbooks, digital library, and other study resources.




» Pitara [ Kids/Teens ] - Have fun learning stories, poems, crafts, science facts, world news, biographies, quizzes, and games.




» Print and Learn for Kids [ Kids ] - Print out a page from this site to learn or practice math concepts on paper.




» Quiz-Tree [ Kids/Teens/Mature Teens ] - Quizzes on various topics, including languages, math, economics, history, geography, and SAT preparation.




» Read 'n Tick [ Kids ] - Offers interactive English, science and social studies activities for elementary students. Some activities require free registration.




» Research Process Helper [ Teens/Mature Teens ] - Offers a framework to help students work through a research project. Its goals are information literacy, information problem-solving, and the research process.




» Sixth Sense [ Teens/Mature Teens ] - Offers interactive learning resources for GCSE and A Level revisions. Requires free subscription.




» Smithsonian Education [ Kids/Teens ] - Learn about art, science, history, people and places by reading short articles, playing games and doing short trivia quizzes.




» Spark Island Learning Resources [ Kids ] - Online learning adventures for primary-aged kids. Free trial registration.




» Stop the bullys [ Teens/Mature Teens ] - Includes description of symptoms of bullying and advice for dealing with the problem.




» Studies Made Easy [ Teens/Mature Teens ] - Offers homework help, math tricks, science news, periodic table, and a discussion forum.




» Studybeat.com [ Teens/Mature Teens ] - Features educational video clips covering a variety of topics, including math, science, English, history and SAT test preparation.




» Tiki the Penguin's Quizzes [ Kids/Teens ] - Interactive quizzes on subjects ranging from food to the world.




» Time for Time [ Kids ] - Features interactive games, quizzes, animated time zones, class clock and the history of telling time. Includes lesson plans and create-your own worksheets for teachers.




» The WCHS Times [ Teens/Mature Teens ] - An independent school newspaper produced by students at Wilkes Central High School.