Young scholars explore the basic skills guiding sound scientific invvestigation and methodology. They are introduced to a powerful scientific tool-the microscope. Students review the parts of the microscope. They discuss the inventor...

Second graders examine the lives and contributions of five people who have impacted science in the four lessons of this unit. Key facts in the life of the persons are placed on a timeline and a mini-biography is created.

This well-designed presentation covers many important aspects of the science behind light. In it, pupils view slides that have a lot of the important vocabulary associated with science, slides of famous scientists who made important...

Ancient, classical, and modern methods of biotechnological methods are introduced in this science PowerPoint. Students should be interested to see how advanced people have been through the ages in adapting their methods to procure...

After examining a short article about light microscopes, readers record their responses to a series of comprehension questions based on the text.

The first of three pages in this handout provides a brief history of our understanding of the cell. It also differentiates between prokaryotic and eukaryotic cells. The second is a collection of true and false, multiple choice, and short...

Teenagers will never complain about cleaning their rooms after this activity. In the first instructional activity of a four-part series, budding scientists collect samples of dust, chalk, and other particulates from various areas of...

After drawing and labelling a microscope, forensic science explorers use one to solve a simulated murder mystery. They examine each piece of evidence and draw what they observe at each magnification. Working in groups of four, your...

A continuous cascade of information comes through this PowerPoint on biotechnology. The topic is defined, a history is presented, and basic genetic engineering techniques are explained. The topic is covered in an objective manner,...

High schoolers answer the question how are food supplies maintained safely for human consumption? They are able to answer the following questions: what personal and pulic decisions must be made regarding the safe handling of food?, What...

In this identifying the definitions of micro-organisms worksheet, students match the correct key words with the correct definitions. Students match 8 answers.

Second graders research and explore lives of famous scientists, analyze accomplishments of scientists, and create presentations. Six lessons on one page.

Students study cell theory and the link between it and technology.  In this cell theory lesson students examine the importance of cell theory. 

This site from the Wikipedia encyclopedia provides a concise explanation of van Leeuwenhoek's (1632-1723 CE) contribution to the improvement of the microscope and his contributions to cell biology.

This site is provided for by Zephyrus. So, who was Anton van Leeuwenhoek (1632 -1723 CE)? What else did Leeuwenhoek do? Did he achieve anything else? What honors were awarded to him? These questions are answered in this informative site.

This site from University of California has a biography and picture of Antony van Leeuwenhoek, a scientist in the 18th century.

Learn about the life and work of Antonie van Leeuwenhoek, best known for his work on the improvement of the microscope, and considered to be the first microbiologist.

[Free Registration/Login may be required to access all resource tools.] Online activity summarizes the cell theory, describes four parts all cells have in common, and the importance of the work of Robert Hooke and Anton van Leeuwenhoek.

This site is provided for by Zephyrus. So, who was Anton van Leeuwenhoek (1632 -1723 CE)? What else did Leeuwenhoek do? Did he achieve anything else? What honors were awarded to him? These questions are answered in this informative site.

This site has some history of van Leeuwenhoek (1632-1723 CE) with a description of his major accomplishments in the field of microbiology

Video describes the development of the cell theory and some of the scientists and disagreements involved. [6:12] Includes a short quiz and a list of additional resources to explore.

Essay on the history of our knowledge of cells and the development of the cell theory.

Scholars explore the science topic of germs. The tutorial consists of definitions, examples, and pictures about germ theory.

Read and fill in the blanks of this passage discussing the invention of microscopes. Each blank has a dropdown menu with choices. When you finish, click CHECK MY ANSWERS. If you pick a wrong answer, the right answer will be displayed...