Students study the differences between viruses and bacteria. They educate others to the harms and benefits of each by making a newspaper ad, pamphlet or informative article.

Students examine how micro-organisms are living organisms that are often too small to be seen. They explain that micro-organisms may be beneficial or harmful.

An explanation of the differences between bacteria and viruses. Further details are given showing that not all bacteria are bad.

An explanation of viruses that includes the importance knowing the origins and the evolution of viruses.

Students will use scientific inquiry to prevent infection within an organism. At the end of the activity, students will understand cell characteristics, effect of microorganisms and how the body protects against harmful microorganism....

[Free Registration/Login may be required to access all resource tools.] Describes the discovery of viruses and two hypotheses for the origin of viruses.

[Free Registration/Login may be required to access all resource tools.] Describes how viruses cause human diseases.

There are battles that are fought each day on the planet. The invading forces are those of viruses and bacteria. Left alone they would take over and destroy every cell! It is up to some key defense systems to battle and destroy these...

Take an interactive quiz over viruses. After completing the quiz, check your score, and then revisit any incorrect question for further review.

This site contains a Wikipedia description of computer viruses.

Kids learn about the viruses in the science of biology on this site. Find about how these tiny particles of DNA can make people and animals very sick when they invade a living organism's cells.

Explains what the lytic cycle of a virus is and the steps involved in the process.