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Science Homework Help > Web Resources


Discovery Channel Science Search - Fascinates students with high-quality video content from the Discovery Channel covering topics in physics, biology, space, technology, meteorology, and much more. Games and podcasts entertain students while news articles keep them up-to-date on scientific discoveries.
Bill Nye the Science Guy - Amazes students with fun science experiments easy enough to try at home. Bill Nye’s laboratory offers thorough explanations of the science behind each demonstration as well as help with elementary school science projects.
My Reference Desk - Science - Explores exciting aspects of science including forensics, engineering, space exploration, geology, biology, physics, the human body, and much more. With over one hundred links to Web sites focusing on science and technology, this site offers a wealth of information to help with homework.
Eric's Treasure Trove of Scientific Biography - Explores exciting aspects of science including forensics, engineering, space exploration, geology, biology, physics, the human body, and much more. With over one hundred links to Web sites focusing on science and technology, this site offers a wealth of information to help with homework.
Interactive Math, Chemistry, and Physics Textbook - Integrates the study of math, chemistry, and physics with practice problems and exercises designed to increase understanding.
Helping Your Child Learn Science - Encourages parents and children to learn about science together through simple experiments and activities that can be done at home or in the community.
Science Homework Helper - Addresses homework problems with virtual lab simulations, a scientific glossary, and an encyclopedia of science to define and explain terms and topics in earth science, life science, physical science, and technology.
Raders Science Subjects - Compiles links to tutorials and activities focusing on such topics as biology, physics, chemistry, space, light, electricity, the environment, and much more.
National Geographic Science Homework Helper - Features pictures and articles to aid in reports, presentations, and basic understanding. Games, stories, and interactive components highlight such topics as wildlife protection, forces of nature, global warming, and the solar system.


Gray's Anatomy - Outlines the human body from head to toe with illustrations and written descriptions in this online version of Henry Gray’s Anatomy of the Human Body. Accompanying articles explain how body parts work together both inside and out.
Human Anatomy On-Line - Explores inside nine body systems including the skeletal, muscular, nervous, cardiovascular, reproductive, urinary, endocrine, lymphatic, and digestive systems with interactive images and animations that share essential facts about the human anatomy.
Body Quest - Uses graphics and diagrams to help students from ages eleven to sixteen to learn about the parts of the human body. Featured games review body systems and test knowledge of anatomy.
The Heart Preview Gallery - Details the functions of the heart and circulatory system with articles about heart health, blood and blood vessels, and the history of heart science. A glossary, fun activities, and resource materials encourage students to learn more about anatomy and the workings of the human body.
Neuroscience for Kids - Investigates the nervous system thorough fun experiments, activities, and games. Fascinating articles reveal important facts about the brain, spinal cord, neurons, and senses as well as keep students up-to-date on the latest developments in brain research.


Online Biology Book - Takes an in-depth look at the field of biology with notes concerning such topics as paleobiology, biological diversity, systems of the human body, genetics, cell function, and plant structure. Colorful images enhance descriptions of advanced topics. Appropriate for high school level biology students.
N.Y. Regents Exam Prep for Biology - Reviews topics related to the living environment including ecology, human impact on the environment, organization of life, heredity and genetics, evolution, reproduction and development, homeostasis, and laboratory skills. Students can choose a topic summary to use as review or an in-depth explanation and examples of concepts that are unclear. Multiple-choice practice problems allow students to monitor their progress.
Cells Alive - RVoyages through the cell with animations, interactive models, and engaging images to help students identify cell parts and important functions. Puzzles and quizzes focusing on microbiology, immunology, and microscopy make this a fun and informative site for elementary biology students.
Cell Structures and Processes - Highlights the structure and function of cell organelles with concise descriptions and colorful diagrams. A multiple-choice quiz allows students to test their knowledge about cells and review important facts.
DNA From the Beginning - Investigates basic concepts in the study of DNA, genes, and heredity thorough animations, video interviews, audio clips, biographies, an image gallery, and practice problems.
Cellular Biology - Gives details about cell theory, cell reproduction, cell types, prokaryotes, eukaryotes, and cell structures and functions through a visual tour. A glossary of terms helps to clarify understanding with a brief definition and links to illustrations and examples.
Kimball's Biology Text - Provides extensive coverage of a variety of science topics including biochemistry, animals, ecology, evolution, genetics, microbiology, molecules, plant biology and much more. Featured diagrams and tables help to explain complex subject matter in advanced science study.
I Can Do That! - Takes a fun and easy approach to biology topics with animated guides that lead students through the world of cells, DNA, RNA, and clones. Simple animations and graphics accompany interesting topic explanations to engage elementary students.
The Human Genome Project - Presents detailed mapping of the genes that make up the human genome. Illustrations provide a visual representation of featured genes and chromosomes while a thorough description explains their function and place in human DNA.
Frank Potter's Science Gems - Life Science I - Organizes links to scientific Web sites based on grade level appropriateness. Key concepts in measurement, scientific investigation, cells, heredity, molecular genetics, evolution, and ecology are covered.
Frank Potter's Science Gems - Life Science II - Covers such topics as the biology of viruses, biology of plants, biology of animals, and human biology by providing a comprehensive list of links categorized by subject and grade level.
Amino Acids - Supplies a linear structure formula, diagram, and 3D molecular model for all twenty amino acids. A great resource for upper level biology and chemistry classes.
Alphabetical List of Diseases and Disorders - Compiles links to information about hundreds of diseases and disorders.
MedicineNet - Defines medical and pharmacy terms as well as offers a thorough explanation of hundreds of diseases. This site covers everything from common ailments and allergies to mental health and cancer.
Medscape - Presents up-to-date medical news with full-text journal articles and the latest studies.


Glossary of Botanical Terms - Defines over 4,000 terms related to botany, gardening, and horticulture. A search function allows easy access to additional information about specific plant types.
Aquatic Plant Glossary - Includes easy-to-understand definitions of plant terms from algae to xylem. When appropriate, links to illustrations and additional information accompany the terms.
Plants Database - Acquaints students with facts about vascular plants, mosses, liverworts, hornworts, and lichens of the U.S. and its territories. Powered by the United States Department of Agriculture, this site provides an image gallery as well as gathers information about plant characteristics, classification, threatened and endangered species, and wetland status. - Expands plant knowledge with an encyclopedia of plants and gardening guides on thousands of outdoor and indoor house plants.
A Modern Herbal - Consists of medicinal, culinary, and cosmetic uses of herbs. Published in 1931, a plant and herb index includes descriptions of each plant and herb along with herbal folklore.


The Electronic Zoo - Visits nearly every animal species through an organized collection links. Learn about amphibians, reptiles, primates, fish, marine mammals, pets, farm animals, invertebrates, rodents, wildlife, and more through images, sound effects, and informational reading passages.
Animals of the Rain Forest - Captivates young students with beautiful pictures and descriptions of animals from the rainforest. Puzzles, math activities, rainforest geography, and an illustrated glossary, helps incorporate the study of the rainforest into multiple subject area.
Animal Search Engine - Classifies and reviews links for Web sites dealing with animal species, behavior, care, conservation, research, and stories so they are easily accessible and safe for children to search.
Dinosaurs K-12 - Focuses on presenting information and links to Internet pages about individual dinosaurs and other prehistoric animals.
Dino Directory - Profiles 325 dinosaurs with images and fact sheets including information about body shape, diet, and location. Presented by the Natural History Museum in London, this site provides great information about the time period in which each dinosaur lived and how different species lived together.
All About Dinosaurs - Answers all your questions about dinosaurs and more! This fascinating and informative site reports on dinosaur myths, fossils, anatomy and behavior, and extinction. Featured activities like crossword puzzles, dinosaur craft ideas, and coloring pages make learning fun for young children.
Dinosaur Illustrations - Compiles dinosaur drawings and paintings into a searchable list with links from various artists.
Web Geological Time Machine - Travels back in time to the age of the dinosaur. A geological timeline offers riveting information about ancient life and the places the dinosaurs roamed.
University of Florida's Book of Insect Records - Records the names of insect champions and documents their achievements. Through experimentation, students determine which insect is the loudest, which lays the largest eggs, and more. A description of the experiment and results are posted under the champion insect’s name.
Images of Insects - Displays hundreds of photographs of insects. This is an excellent resource for collecting images for a science project or paper.
"Bugs in the News" - Features articles about such bugs as bacteria, viruses, and antibodies. Divided into three sections based on interest, the site offers something fun for all grade ranges.
Featured Creatures - Gives in-depth coverage of insects, nematodes, arachnids, and other organisms that are common in Florida. Photographs and descriptions highlight each organism’s location, life cycle, and role in the ecosystem.


Elements Database - Features descriptions of all the elements in the periodic table including chemical element symbol, atomic number, and atomic weight, as well as images to use in school projects and research work.
CHEMystery - Guides high school chemistry students through a virtual textbook providing a review of topics including atoms and molecules, states of matter, chemical reactions, acids and bases, organic chemistry, nuclear reactions, and thermodynamics.
Chem4Kids - Clarifies basic chemistry information for elementary school students with images, diagrams, and easy-to-follow examples. Focusing on matter, atoms, elements, the periodic table, reactions, and biochemistry, quizzes at the end of each section help student to review what they’ve learned.
Chemistry Tutor Page - Provides the basic information you need to complete your chemistry homework. A chemistry calculator helps with conversions while charts, practice problems, and definitions assist with questions about significant digits, the factor-label method, lab safety, and chemical reactions.
ChemTutor - Reviews the fundamentals of chemistry with pertinent information about the periodic table, elements, atomic structure, compounds, reactions, Mols, solutions, and states of matter.
Erik's Chemistry - Consists of a collection of basic chemistry, AP chemistry, and organic chemistry notes and outlines to use for review. Topics are suited for high school and college students.
General Chemistry Online - Supplies a wealth of information about various topics in chemistry through an extensive database of common compound names, formulas, and structures as well as self-guided tutorials, quizzes, articles, interacting graphing, calculators, and a glossary featuring audio pronunciations.
High School Chemistry Hub - Displays links to quizzes, interactive periodic tables, chemistry games, famous chemists, and lab guides that students can use for help with chemistry homework.
General Organic and Biochemistry - Integrates charts, graphic organizers, animations, and simple notes into a colorful slideshow designed to present students with comprehensible chemistry information in an attractive format.
Organic Chemistry - Familiarizes students with topics from beginning to advanced organic chemistry through charts, diagrams, illustrations, practice problems, course notes, and exam questions.
The Catalyst - Catalogs sites containing everything from lesson plans to experiments. Categories of exploration include organic chemistry, the periodic table, the history and development of chemistry, AP chemistry, laboratory safety, and the teaching of chemistry.
Eric's Treasure Trove of Chemistry - Defines key concepts in geology, mineralogy, petrology, quantum chemistry, organic chemistry, and inorganic chemistry.
Periodic Table - Uncovers an interactive periodic table of elements where students can learn about the properties of an element, its electron configuration, and its relation to other elements in the table.
Chemicool Periodic Table - Examines important characteristics of elements with an easy-to-read fact sheet for each element. An interesting description about the arrangement of elements in the periodic table helps students to understand the relationships that exist between elements.
Periodic Table Adventure - Explores basic chemistry concepts for those new to the periodic table of elements. Thoughtful reading passages describe the history of the periodic table; the inside of an atom; how to read the periodic table; and the differences between metals, nonmetals, and metalloids. The option to take a quiz after each section allows students to practice what they’ve learned and monitor comprehension of each topic.
Tutorial on Balancing Equations - Makes balancing chemical equations fun with fascinating tutorials and exercises using vivid animations.
Balancing Chemical Equations - Illustrates how to balance chemical equations with a tutorial offering both text and audio explanations. A final exercise puts your chemistry abilities to the test.


Fizzics Fizzle - Caters to several grade ranges with sections devoted to beginner, intermediate, and advanced physics students. Beginner lessons focus on the basic physical principles that control the way the world works. Intermediate topics include basic mechanics, electricity, and magnetism while advanced studies build upon intermediate topics for a more in-depth look at the world of physics. Games and a section on modern physics make this site fun for everyone.
Sandlot - Explores the world of optical illusion with a massive collection of games, illusions, and science fair project ideas to try. Reading passages define an illusion and tell how illusions have been used throughout history.
Physics Tutorials - Provides extra instruction for difficult concepts in the area of physics. Tutorials focus on torque and rotational motion, DC circuits, exponent growth and decay, and simple harmonic motion. Additionally, practice problems and sample tests are available.
The Soundry - Investigates the many facets of sound. Through this interactive site, students can journey through the human ear, discover the physical properties of sound, follow a timeline of the history of sound, and demonstrate some of the ways sound can be used in real life. An interactive sound lab provides students with a hands-on learning environment where they can have fun and gain a better understanding of the concepts.
Eric's Treasure Trove of Physics - Acquaints students with definitions of terms concerning such topics as mechanics, optics, thermodynamics, astrophysics, electromagnetism, and modern physics.
Physics Laws - Lists various laws, rules, and principles related to topics in physics and astronomy along with a brief description and equation, if appropriate.
The Physics Classroom - Covers basic physics topics such as Newton’s laws, vectors, sound waves, light waves, static electricity, work and energy, circular motion, reflection, refraction and much more. Intended for introductory physics students, tutorials are written in easy-to-understand language and use informative graphics along with several opportunities to check understanding.
Animated Engines - Demonstrates how over twenty different engines work through fun animations and informative descriptions.

Earth/Space Science

Frank Potter's Science Gems - Earth Science I - Gathers Internet resources focusing on measurement, scientific investigation, space, the solar system, and astronomy. Each earth science topic is organized by grade level from kindergarten to high school.
Frank Potter's Science Gems - Earth Science II - Offers a wealth of information on the atmosphere, weather, geology, oceans, energy, minerals, and much more. Each link in this collection offers a brief site description along with an indication of grade appropriateness.
Frank Potter's Science Gems - Physical Science I - Assembles a list of helpful Web sites suitable for grades K-12 that focus on the mechanics of motion, energy, linear momentum, the mechanics of rotational motion, vibrations and wave motion, and thermodynamics.
Frank Potter's Science Gems - Physical Science II - Compiles dozens of Internet sites about electricity, magnetism, light, atomic physics, nuclear structure, and the special theory of relativity for students in grades kindergarten to high school.
Frank Potter's Science Gems - Physical Science III - Classifies links to sites about chemistry, chemical reactions, organic chemistry, biochemistry, and the biosphere according to grade level.
Volcano World - Tracks volcanic activity around the world with satellite images, news articles, and maps.
Volcanoes Online - Conveys essential information about volcanoes in a fun and exciting manner. Games and comics entertain students while reading passages about plate tectonics and volcanoes relay important facts. A volcanic database includes images and a fact sheet containing the location, history, and structure of volcanoes around the world.
Volcanoes by Robert Tilling - Delivers exciting information about volcanoes, geysers and hot springs, plate tectonics theory, and the environment through text and images.
Field Trips for Kids - Leads virtual field trips through hurricanes, volcanoes, deserts, and more! Students go where they have never gone before to learn first-hand about the places they travel while never leaving the comfort of the classroom.
Rader's Physical Geography - Introduces young kids to the earth sciences with topics focusing on Earth’s structure, atmosphere, hydrosphere, and biosphere. In addition to informative reading passages, the site offers images, video clips, and quizzes to encourage participation and further exploration of the topic.
Minerals By Name - Provides an extensive catalog of minerals where students can learn about the physical characteristics and chemical composition of hundreds of minerals through images and thoughtful descriptions.
Atlas of Rocks and Minerals - Takes a look at igneous and metamorphic rocks, minerals, and textures. Indexes present photos and descriptions of dozens of minerals and microtextures.
USGS Facts Sheet by State - Contains fascinating geological facts about each state as reported by the U.S. Geological Society.
Ocean Planet - Tours a retired oceanography exhibit created by the Smithsonian Institute. This site is filled with fun facts, sound effects, video clips, and images of the ocean and aquatic wildlife. Unique stories about famous oceanographers and a look at the dangers facing the ocean add depth to the exhibit.
Chesapeake Bay Foundation - Educates people on the dangers facing the Chesapeake Bay and ways to preserve our water supply. News stories provide up-to-date information on events and policies that have an impact on the environment.
The Cloud Boutique - Includes a comprehensive look at clouds through detailed explanations and photographs of basic cloud forms.
Weather Basics - Reveals interactive graphics that explain weather, climate, and other earth science topics from USA Today.
The 8 Planets - Reviews the history, mythology, and current scientific knowledge or planets, moons, and other celestial objects through text, video, audio, and images. This multimedia tour of the solar system has been updated to include the most recent scientific findings, including the disqualification of Pluto as a planet.
Eric's Treasure Trove of Astronomy and Planetary Science - Aids in homework completion and better comprehension by providing thorough definitions for terms dealing with the solar system, stars, calendars, and atmospheres.
Views of the Solar System - Surveys the Sun, planets, moons, comets, and asteroids that make up our solar system with in-depth information, statistics, and a gallery of images. Using a variety of media, including animations, images, videos, and graphics, this site explores rocketry, early astronauts, space missions, and the latest scientific information.
Rader's Interactive Space Exploration - Tours the universe using video and images from NASA to explain basic astronomy to young students. Easy-to-read passages help beginners connect Earth’s placement in the solar system to other planets, moons, and the Sun.
StarChild - Gets young students excited about astronomy through video clips, graphics, and fun activities. Young astronomers learn interesting facts about the solar system, universe, astronauts, and space travel through accessible text incorporating an audio component. A glossary also helps students to define unfamiliar terms.

Science Fair Projects

Science Fair Central - Divulges all you need to know about creating a science fair project from sources to use for research to creating a science fair display. Powered by Discovery Education, this site offers a searchable database of over 300 science fair questions and tip sheets for project ideas in astronomy, biology, chemistry, earth science, and physical science.
National Student Research Center - Generates science fair ideas by publishing student research and promoting the use of the scientific method in all subject areas across the curriculum.
Amateur Science - Documents simple, intermediate, and advanced science fair project ideas along with links to fun amateur science sites highlighting everything from physics limericks to optical illusions.
The Science Snackbook - Offers riveting science experiments you can do at home. Each trial incorporates a material list, detailed procedure, and thorough explanation of the science behind the experiment.
Science Fair Project Ideas - Helps plan out a science fair project with a list of steps for creating a project based on the scientific method, a list of topics, and information on what the judges will be looking for.
Reeko's Mad Scientist Lab - Inspires students of all grade levels to take an interest in science projects and experiments. Games, puzzles, and a glossary round out this wacky site focused on making science fun.
Science Projects for Kids - Provides an extensive list of links for science fair projects for all grade levels and areas of study. Many articles offer tips and suggestions on how to select, complete, and display materials for a science fair project.
ExploraNet - Engages students in online exhibitions, hands-on science activities, and Webcasts based on exhibits from the Exploratorium museum. Hot topics such as climate change and stem cell research fuel discussion and an interactive gallery provides images from under the microscope.
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