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Free Resources for Teaching Online: Always Free Materials

Science & Labs

Harvard’s LabXchange has just released a suite of lab simulations with assessments and guidance that focus on basic molecular biology techniques. The LabXchange library also includes a curated set of simulations drawn from partner sources like PHET and the Concord Consortium. How to combine these simulations with supporting content and your own assessments is described here. You will be able to assign these simulations with your associated assessments and get your students’ performance data. For additional help email:

Interactive Simulations for Science and Math

A large list of resources for laboratories in a variety of science disciplines.  Most are always free, some are temporarily free.

Click on "advanced" search (in small letters) center-top.
Note options for searching, including ability to click "video/animation", and also "time series"

This site houses a number of open educational resources developed for use with (predominantly) first year biochemistry and microbiology undergraduates in the Faculty of Biological Sciences, to support their preparation for practical classes.

The ChemCollective is a collection of virtual labsscenario-based learning activitiestutorials, and concept tests. Teachers can use our content for pre-labs, for alternatives to textbook homework, and for in-class activities for individuals or teams. Students can review and learn chemistry concepts using our virtual labs, simulations, and tutorials. The ChemCollective is organized by a group of faculty and staff at Carnegie Mellon who are interested in using, assessing, and creating engaging online activities for chemistry education.

Each year, the Department of Chemistry at the University of Cambridge puts on a spectacular demonstration lecture for the public, generously supported by The Walters Kundert Charitable Trust. With a strong narrative throughout, all the demonstrations have been devised to illustrate particular concepts for that lecture with many experiments never seen before.

There are many ways to locate videos at RSC's Education website. One approach is to search "video" in the main search box and then refine along the left side as appropriate, including a limit for "Exhibition chemistry" under "By Type" filter or "Video" under the "By Use" filter.

The CSD Teaching Subset includes a wide variety of molecules and can be used to enhance chemistry learning across the curriculum. By integrating crystal structures into your course you will provide your students with the chance to visualise and manipulate molecules in 3D  and to work with real measured data.

Requires a free accoount.

The BioDigital Human is an interactive 3D software platform for visualizing anatomy, disease, and treatment.


An overview to X-ray Astronomy and X-ray sources: from black holes to galaxy clusters.

The Math You Need, When You Need It modules give you the quantitative skills that you need, just before you will use them in your geoscience course. Each individual module addresses a single math topic in your geoscience course and is divided into three parts: 

1. a page that introduces and explains the concept (Why is it important? Where is it used?) and provides a set of steps that you can use to solve mathematical problems in lab or class,

2. a set of practice problems in the context of geology with worked answers (using the steps provided on the introduction page), and 

3. (optional) a set of quiz questions that provide an opportunity to show what you learned. If your instructor uses this part of the website, you will be provided with a login and password by your instructor. 

A large list of Simulations/Virtual Labs, Datasets, Case Studies, and Other Media.  Most are free.

General Resources

Research-supported instructional design


  1. Select any poster exhibition from the list.
  2. On the poster exhibition details page, scroll down and select Request Poster Exhibition.
  3. Fill out the online form to provide your name, address, and other information. (If you’re a member of our portal and already logged in, you can skip this step!)
  4. Follow the on-screen instructions to review and agree to our usage terms, then select Download Poster Exhibition or Request Poster Exhibition. A download link will be provided on-screen and will also be emailed to you for future use.
    NOTE: Some posters include an option to request the exhibition in printed format. In support of efforts to contain the spread of COVID-19, we are not shipping any printed posters at this time. To ensure immediate delivery of the digital files, be sure to select the “download” option.
  5. Be patient – our digital poster files are large and may take a while to download! Files are provided in compressed (ZIP) format.
  6. After downloading, extract (un-zip) the file to access the digital poster files and associated support materials. (TIP: Most computer systems have ZIP extraction software built-in; double-clicking the ZIP file will probably extract it automatically!) All materials are provided in PDF format, for easy sharing and/or printing.