Explore the role of pore size in the diffusion of a substance across a membrane. Diffusion is the process of a substance spreading out from its origin. Molecules diffuse through random molecular motion.
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Online labs provide your students with the possibility to conduct scientific experiments in an online environment. Remotely-operated labs (remote labs) offer an opportunity to experiment with real equipment from remote locations. Virtual labs simulate the scientific equipment. Data sets present data from already performed lab experiments. Please use the filters on the right to find appropriate online labs for your class. Labs can be combined with dedicated Apps to create Inquiry Learning Spaces (ILSs).
If you are looking for online labs especially suitable for the curricula of Benin, Kenya or Nigeria, please visit our Collections page.
If you select labs in English, the descriptions on this website will still be displayed in English. However, when you include the lab in an ILS and change the language setting of the ILS to English, the lab will be displayed in English within the ILS.
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Explore how the code embedded in DNA is translated into a protein. The process of converting the information in DNA into protein is a two-step process, involving transcription and translation. In transcription, an mRNA copy is made of the DNA.
Note: More information about collaborative inquiry simulations can be found at https://leosiiman.neocities.org/simulations.html.
This simulation visualizes the process of diffusion accross a semipermeable membrane and helps to explore the role of this phenomenon in body functioning.
This lab allows students to explore how organisms with different traits survive various selection agents within the environment.
This lab is an abridged Html5 version of the Java applet lab Sexual Selection in Guppies. It has been optimized to work with tablet computers.
This model is an adaptation of the classic experiment conducted by Peter Buri (1956), which documented genetic drift in laboratory populations of Drosophila.
This model is an agent-based population genetics simulation. The program contains the tools to conduct virtual experiments violating all the assumptions of Hardy-Weinberg theory (small population, selection, mutation, migration, and non-random mating).
Knowing how many individuals are in a population can be critical. How can you tell how many there are when there are too many to count? This model simulates a pond of tadpoles. The population size can be estimated in three ways: direct sampling, sampling with removal, and mark/recapture.
