Virtual Labs Inside Online Textbooks: Use the logins to access the virtual labs in this online science textbook:
Modern Chemistry: Login at my.hrw.com Username: cmcclammey Password: p5t5
After logging in, you will be on the page to access the Student Edition of the textbook and Student Resources. Click into Student Resources to access the Virtual Labs with worksheets, simulations, videos, and other resources.
Other Free Virtual Labs and Simulations:
Biology Simulations: Has virtual labs covering cell energy, evolution, ecology, and heredity. Includes accompanying worksheets for each lab.
Not sure how long this one will last, but Andamio Games is offering two virtual labs for free, due to Covld-19 school disruptions. One is a Photosynthesis lab. The other is about the brain and neurons. Both labs are for use on iPads only. Both can be accessed here.