JPL Logo
My Library Account

"How Do I...?"

Ask a Librarian logo

Math & Science

Mathematics | General Science | Astronomy | Biology & Earth Science | Chemistry | Dinosaurs | Notable Scientists


A+ Math
Ask Dr. Math!
Interactive Education Games
Fun and educational games for kids! — World of Math Online is dedicated to providing revolutionary ways for students, parents, teachers, and everyone to learn math.
Math Cats
Math Dictionary for Kids
Math Goodies
This site has over 500 pages of activities for students, educators and parents.
Word Problems for Kids

General Science

Building Big
Explore large structures and what it takes to build them with BUILDING BIG™, a five-part PBS television series and Web site from WGBH Boston.
Cool Science for Curious Kids
Discovery Kids
EPA Environmental Kids Club
What's the air quality index? How does the water cycle work? Find the answers to these questions, and many others related to pollution, global warming, and recycling, at this site from the Environmental Protection Agency.
The Exploratorium
Fun Brain
Entertainment site includes a "Weird Science" component which barely qualifies this site for inclusion in the Science category. Other components include games, jokes, "Wacky Facts" magic tricks and recipes.
How Stuff Works
Learn how a variety of things work!
InventorEd: Kid’s Inventor Resources
Magic School Bus
Online Conversions
Convert all sorts of measurements with this resource, including such things as weight, currency and even radiation.
Science Answers from the Library of Congress
Science Fair Project Resource Guide
Science News for Kids
Space Weather Center
The story of space weather effects. From the plasma state of matter and the Sun, to forecasting auroras and storms in Earth's magnetic field


The Exploratorium Observatory
Exploring Planets in the Classroom > Galaxy
Fotosearch has a massive collection of astronomy images of galaxies, planets, stars, NASA, and much more. The online equivalent of a massive digital image library, Fotosearch offers the opportunity to view world-class photography and art free of charge.
Starchild: A Learning Center for Young Astronomers
An introduction to the solar system, planets, moons, asteroids, and more. This site is also available in German, Italian, and Portuguese.
Views of the Solar System
Windows to the Universe
A vibrant site filled with facts, mythology, poetry, art, and games about astronomy, the solar system, scientists, space exploration, weather, and more.

Biology and Earth Science

Animal Diversity Web
Biomes and Ecosystems with the Missouri Botanical Garden
ENature: Online Field Guide
FEMA for Kids
Kids Health
Smithsonian’s National Zoo
US Geological Survey: Explorers
Weather Watch
Web Weather for Kids


Chemistry logo


Prehistoric Life
Dino Directory
Discovering Dinosaurs

Notable Scientists

The Top 10 African American Inventors
The Faces of Science: African Americans in the Sciences
Biographies of African American men and women who have contributed to the advancement of science and engineering.
Famous Women Inventors
Hispanic Inventors
Women of NASA
National Inventors Hall of Fame