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PowerKnowledge Physical Science
Featuring articles and self-help tools on topics including:


Welcome to PowerKnowledge Physical Science

PowerKnowledge Physical Science is an online resource specifically designed for learners in grades 3 to 6. Comprised of curriculum correlated content, PK Physical Science promotes digital literacy and 21st century learning skills, while offering research, report, and homework help. Instant Article Translation into over 100 languages supports English Language Learners and family literacy programs.

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Librarians & Educators Are Saying . . .

"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

Key Features for Learners & Educators:

  • Lesson plans, assessments, and enrichment activities
  • Correlations to Next Generation Science Standards and national, state, and provincial standards
  • Instant translation into over 100 languages
  • Text-to-speech and enhanced text visibility ensures all learners read and succeed
  • Biographies, experiments, and science fair projects
  • Video, audio, live feeds, and interactive games bring science to life