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Science for Kids

Learn about plants, cells, weather, and how to create a great science project! With 3,500+ interactive books, educational games, puzzles, and other learning activities,’s award-winning online curriculum is an invaluable resource for young learners starting at age 2. Inventors: Find information on famous inventors or discover how to become an inventor.

All Science Fair Projects: Visit this site for over 500 science fair project ideas sorted by area of science.

Amazing Space: Lots of space facts, online activities, and homework help.

The Bubblesphere: Everything you ever wanted to know about bubbles is presented here. Sections include answers to bubble questions, bubble history, bubble games, and more. Professor Bubbles also shares his adventures around the world. A fun site to explore!

Catch the Science Bug: Solve science puzzles, do your own scientific investigations, or learn more about what scientists do on the job.

Cells Alive!: What do disease, sourdough bread, biological weapons, and gold mines have in common?

Chem4Kids: Discover chemistry by learning about reactions, elements, atoms, etc.

Chemicool: With an interactive periodic table and alphabetical listing of elements, as well as chemistry dictionary, this site is for anyone needing or wanting to know all about the elements that make up our world. Detailed information about each, including the atomic weight, state of matter, characteristics, uses, abundance, and approximate cost make this site a great place to start a search on a particular element.

Climate Kids: Climate Kids offers kids clear answers to questions on global climate change through sections on weather, air, the ocean, fresh water, carbon, energy, plants and animals and technology. Includes educational games, activities, crafts, videos and information on green careers.

Desert Life: Begin your exploration of the American Southwest with a general introduction to the complex and delicate desert ecosystems, including a discussion of the roles humans play in the changing desert environment.

Discovery Education Science Homework Help Videos

Earth Floor: Dive into plate tectonics, geologic time, biomes and other earth-related topics.

Earth Rangers: Play Eco-Games, learn about conservation, meet and share with kids from all over the planet.

Eco Future: This website is dedicated to sustainability and ecological future of our planet.

Energy Kids: Learn about energy and try some fun games and activities. Discover what energy is, where it comes from, how to use and save energy, and more! Also includes fabulous content for teachers and classrooms.

The Environmental Kids Club: Games and information pages help students understand the importance of recycling, air quality, & waste management etc.

Eyes on the Solar System: Control space and time with real NASA mission data. You can fly with NASA's Voyager or even hop on an asteroid all from the comfort of your own home or classroom.

The Great Plant Escape: Activities for 4th-5th graders designed to introduce students to plant science and increase their understanding of how foods grow.

The Green Squad: Maintained by the Natural Resources Defense Council, this site helps kids to understand environmental and health issues as they relate to their schools.

How Stuff Works: Learn about how all kinds of stuff works-from batteries to money to toys.

Journey North: Global study of wildlife migration and seasonal change. Engaging stories, photos, videos and slide shows from the natural world. Viewers can read, view, track, graph, analyze, view migration maps, sighting, and read the latest news on our ever changing natural world.

Kids Science Challenge: Here’s your chance to have a real scientist help you with your science project. Submit your idea and the scientists may choose it to study! And even if yours isn’t chosen, you can still find lots of fun science activities on this site.

KidsAstronomy: Powerful and fun resource for kids, exploring astronomy and other space related topics. Play games, learn through interactive applications, and much more.

KidsBiology: Learn about the origins of life, classification, animal kingdoms, human biology, and more.

KidsDinos: Explore dinosaurs by learning fun facts, memorizing dinosaur names and discovering the work of paleontologist. About the health of children and teens.

Lawrence Hall of Science: The Lawrence Hall of Science is UC Berkeley's public science center; 24/7 Science is the kids page, which includes a variety of science experiments and activities, as well as games and citizen science opportunities.

The Lorax Project: This site raises awareness of environmental issues and helps children to take action to conserve forests and species.

Marc’s Observatory: This fun, interactive, and eclectic mixture of facts about space, the Milky Way, moon phases, and even constellations with Harry Potter connections, is sure to stimulate the stargazer.

The Mineral Gallery: Explore rocks and minerals. Includes pictures.

NASA Kids: Fun site sponsored by the National Aeronautics and Space Administration with information on projects and games, rockets and planes, stories, space and more.

Nourish Interactive: A fun site to learn about nutrition with interesting games for kids and interactive nutrition tools and tips for parents and health educators.

Ology: Sponsored by the American Museum of Natural History, the Ology website is a playground for children interested in all areas of science. Some of the subjects covered include dinosaurs, marine biology, genetics, astronomy. They may also choose a username and password to be able to collect ology cards with more information about special topics. Games, crafts, experiments, and interviews with scientists are all part of the variety of activities included.

Optic 4 Kids: Optics for Kids offers a wide range of valuable resources focusing on the science of light. Its wide-ranging content is valuable for a range of ages.

Peep and the Big Wide World: This web companion to the Canadian TV production shown on The Learning Channel and Discovery Kids channel presents a baby chick and friends who invite preschoolers into the wonderful world of science.

Planet Quest:  Explains a 15-year mission of NASA to explore planets outside our solar system through the use of a new telescope, the Terrestrial Planet Finder. A section for educators provides hands-on projects for students.

Periodic Table of Elements: A Periodic Table of Elements that contains more than 25 scientific truths about each element including density, state, atomic radius, etc.. Can be translated into 8 languages.

Plastic Fork Diaries: Follow six middle school students as they experience first-hand the relationship between food and their changing bodies, cultural differences, the vanishing family meal, nutrition and athletic performance. Uses a serial story to provide information about food, nutrition, eating, and health related diseases.

Science Bob: “Science Bob” teaches science to young actors and shares his website here. A variety of topics such as weather, the human body, and science experiments are covered. Teachers will find lesson helps, and links to science website are also included.

Science Buddies: Learn about steps in the scientific process along with researching science fair project ideas.

Science Fair Central from Visit the Science Fair Studio for a Handbook outlining everything you need to know about creating a science project, a list of project ideas, and a helpful bibliography on science projects. Also check out frequently asked questions (FAQ's) and tip sheets.

The Science Kids: Science Kids provides fun and interesting information on science and technology, searchable by grade level. Find games, projects, activities and more!

SciGirls: A PBS site for girls interested in science. SciGirls includes games, project ideas, videos and more.

SnowCrystals: This site is all about snow crystals and snowflakes--what they are, where they come from, and just how these remarkably complex and beautiful structures are created, quite literaly, out of thin air. presents kids with beginning cooking tips and recipes while encouraging them to eat well and to understand the connection between farms and the dinner table. The site also encourages kids to ask family members for recipes they can cook together.

Successful Science Fair Projects: Provides the sections for a science project, as well as display tips. This site was created by a science teacher and former science fair organizer and judge.

Try Science: Full of fun, simple experiments and interactive games, this site makes science fun for kids.

Tsunami!: Everything you want to know about tsunamis (tidal waves).

Weather Wiz Kids: A veritable wealth of weather information that includes a glossary, terms, jokes, experiments, folklore, an "ask" section, and even access to Doppler sites, hurricane tracking charts, and charts for wind chill, heat index, and temperature conversions.