Homework Help for Teens - Science

B.J. Pinchbeck's Homework Helper: Science
B.J. is a high school student who collects good homework help sites in many different subjects for DiscoverySchool.com.

Eric Weisstein's World of Scientific Biography
This site will give you information on hundreds of scientists. You can search by branch of science, gender/minority status, historical period, nationality, and prize winners, or you can use the alphabetical index.

The Faces of Science: African Americans in the Sciences
This site has a wealth of information on African Americans who have made significant contributions in the sciences - everything from biochemistry to zoology.

Science and Technology Refdesk
This is a hub with tons of links on different topics in science arranged alphabetically.

Biology

CELLS Alive!
This is a cool site on cell structure and biology. Watch the animation of mitosis and meiosis or look more closely at the cell organelles.

Cell Structure and Function
This site is good for quick reference on cell organelles: what they look like, what they're made of, and what they do.

DNA from the Beginning
This multimedia site is very informative and covers major concepts of genetics.

Human Anatomy Online
Choose a system to explore (i.e. digestive, skeletal, circulatory, etc.) and then click through the diagrams to learn more.

Kimball's Biology Text
This is a very comprehensive site for those interested in furthering their knowledge of various biological subjects.

Chemistry

Balancing Equations Tutorial
You will need to download Macromedia Shockwave to use this site, but if you do it is a fantastic step by step tutorial on balancing chemical equations.

Chemistry Tutor
This is a good site that covers basic chemistry concepts and also provides links for more information.

Chemicool Periodic Table
This Periodic Table provides extensive information on each element.

Periodic Table
This is a good quick reference to the Periodic Table with brief descriptions when you click on an element.

Physics

Fizzics Fizzle!
Cool name for a cool site. It is divided into Beginner, Intermediate, and Advanced sections and covers multiple topics clearly and succinctly.

The Physics Classroom
This site provides more in-depth instruction on concepts with practice pages for reviews.

The Physics Learning Site
This site provides instruction and some examples for basic physics concepts such as acceleration, vectors, projectile motion, and relative velocity.