What Is Science Prof Online?

Welcome! Science Prof Online (SPO) is a free science education resource for students, teachers and anyone with questions about the natural world. Students, need help with your homework? 
Objective Lenses of Microscope - T. Port

Science Prof Online

Your Virtual Science Teacher
Fluoresced Eukaryotic Cells, US Gov, NIH

We've raised bullfrog tadpoles and documented their metamorphosis into adult frogs.
Meet "Lumpy" our baby bullfrog!

Click here to take a look!

Virtual Cell Biology Classroom
Materials used in an actual college-level cell biology class: FREE PPT lectures, class notes, study guides, review questions, practice tests & science images & videos.

Virtual Microbiology Classroom
Materials used in an actual college-level microbiology class. FREE lectures, study guides, review questions, practice tests, & microbiology images and videos. Both 8-week & 16-week course curricula available.
Biology PowerPoint Slide
PowerPoint Science Lectures
FREE PowerPoint show lecture presentations used for College 100-level cell biology and microbiology courses.
Science Image Library
FREE science images. We just ask that, if using an image from this site, you give us credit and provide a link to the SPO website (www.scienceprofonline.com).

MacConkey's Agar Growing E. coli

SPO is a FREE science education website. Donations are key in helping us provide this resource with fewer ads. 
Please help!

(This donation link uses PayPal on a secure connection.)

SPO Virtual Cell Biology Classroom
SPO Virtual Microbiology Classrooms
How Do I Use This Site?
To find information on Science Prof Online, enter what you are looking for in one of the search boxes, browse sections using the navigation menus, or check out the most popular areas of the site below:

Page last updated: 1/2015
facebook link
SPO twitter
Tamislinked in page
Science Songs & Apps
Links to songs & apps relating to various sub-disciplines of science. Main links take you to FREE songs on YouTube, & iTune buttons allows visitors to directly purchase items.
Science Songs and Apps
Instructor's Corner
Instructor's Corner
FREE science teaching materials including completely developed anatomy & physiology, cell biology and microbiology instructor resources currently used in live courses.

Instructors Corner of Science Prof Online
New resources are regularly added to SPO. For updates, follow us on Twitter @ScienceProfSPO or Facebook.
Home School and Classroom Science for Kids
Young children are natural born scientists, full of curiosity! Join the at-home experiments and explorations of a scientist mom & her youngsters.
Free Science Resources for Kids
Science Video Library
FREE science videos on a variety of topics. The majority of the SPO science video collection relates to cell and microbiology laboratory procedures and skills.
Free Science Video Collection

Can you find the camouflaged
baby animal in this video? 
How does its appearance help it hide? 
How does its behavior help it hide?
Enlarging video display helps!
Preview our new FREE Virtual Classroom: Anatomy and Physiology
Science Video Library
Instructors, need a ready-made PowerPoint lesson, or even an entire curriculum? We've got it, and it's free! Seriously.

SPO's Virtual Classrooms provide FREE:
  • PowerPoint lecture & lab presentations 
  • science "class notes" articles
  • practice test & review questions
  • homework assignments
  • science image & video library
  • Kid Science section for young children

​ ...all presented in language that is easy for students to understand. ​
The SPO website is best viewed in Microsoft Explorer, Google Chrome or Apple Safari.


Here is the the list of countries and US states that have the top 4 number of SPO visitors! 


Congrats you bunch of brainiacs!

Our current
Smarty-Pants Science Reading Pick: 
The Ghost Map
Steven Johnson

Smarty-pants Countries:
#1 US
#2 Philippines
#3 UK
#4 India

Smarty-pants US States: 
#1 California
#3 Texas
#3 New York
#4 New Jersey