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Welcome to PowerKnowledge Physical Science

PowerKnowledge Physical Science is an online resource specifically designed for learners in grades 3 to 6 and challenged middle school students. Comprised of curriculum correlated content, PowerKnowledge Physical Science promotes digital literacy and 21st century learning skills, while offering research, report, and homework help. Database articles and interactive content support the Next Generation Science Standards and STEM learning initiatives. NEW – Instant Article Translation supports English Language Learners and family literacy programs.



Librarians and Educators Are Talking About the PowerKnowledge Science Suite . . .

"More useful and kid-friendly information than most sites...I've never experienced a site with more support or ease of operation...A step above the others and provides the bridge between textbook, inquiry, and technology." National Science Teachers Assocation

"PowerKnowledge Science goes far beyond what students are used to in traditional science textbooks and print series nonfiction. A sure hit." School Library Journal

“Kid-friendly in both look and function ... a well-crafted resource that will enhance student research.” School Library Journal

“Will be a hit with both students and teachers... provides a unique resource to younger students—one that will encourage a love of science at an early age.” American Reference Books Annual

“Extremely kid-friendly. This database would be very useful for our special-ed classes, as well as for our students who are not reading at grade level. Our science teachers appreciate the simple and uncluttered look and structure.” Rosemary Rich, Media Specialist, University Middle School, NJ

“Fantastic . . . This database is exactly what elementary teachers have been waiting for.” Tamzen Kulyk, Teacher-Librarian, Saskatoon, Public School Division, SK

“Accessible, navigable, and intuitive. The games are a very good mix of education and fun.”Mary Zdrojewski, School Librarian, Scio Central District, NY