What are some examples of online simulations for science labs?

DO-IT Factsheet #6
http://www.washington.edu/doit/Stem/articles?6

Sometimes it is difficult for students with disabilities to participate in experiments and other science lab activities. Online simulations can help these students participate in science exercises with more independence than may be possible in the traditional lab setting.

The following list, although not comprehensive, provides examples of available science simulations. Inclusion on the list does not imply endorsement.

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