Watch a volcano erupt! Play games, find project ideas, and have fun learning about ecosystems, space, energy and matter, maps, climates and more in Power Knowledge.
Science & Math
Worried about polar bears? Study them and other animals, adaptation, habitats, the human body, food chains, green living, extinct species, and more in Power Knowledge.
What goes up must come down. You’ll find more about gravity, atoms, motion, temperature and more, with videos and games to explain it all in Power Knowledge.
Find authoritative science information: full-text magazines, academic journals, news articles, experiments, images, videos, audio files, and links to vetted websites.
Look for experiments, images, videos, and articles on recent events and discoveries in a range of science areas.
Find out how to reduce your environmental impact, and learn how major industries are working to curb pollution and improve the environment. Includes activities to do at home.
Read about emerging green technologies and issues on the environment and sustainability.
Who discovered the Earth is round? When were motion pictures invented? Find out how things we take for granted today were discovered or invented, from zippers to atomic time.
- Find resources including practice tests and tutorials for school success; college, career, and citizenship preparation; and software and computer tutorials.…
You'll be able to:
- Improve your skills in elementary, middle, and high school subjects, or study for your high school equivalency credential.
- Prepare for the ACT, SAT, and AP tests and more, and search for scholarships.
- Explore careers and prepare for entrance and occupational exams and military tests.
- Find a college, review your college skills, or prepare for for college placement exams and grad school admission exams.
- Learn computer and internet basics, and master popular software such as Microsoft Office, Adobe Photoshop and Adobe Illustrator, and Windows operating systems.
Some features require free registration in order to save your work, revisit your tests, or store scores. You'll need a valid email address and PIN to register.
Encuentre recursos para hispanohablantes sobre lectura y escritura en inglés, matemáticas y cómo prepararse para el examen de GED.
Find resources for Spanish speakers about reading and writing in English, math and preparing for the GED test.
Browse articles, explore topics, and find images. All the National Geographic resources are at your command, without the big stacks of yellow magazines.
Explore science and find fun activities about bridges, the weather, measuring, and more. A great resource for simple science fair ideas and topic exporation.