|How to use CSO|
Create a free account to manage your resources, create playlists containing multiple resources, and make assignments to your students.
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|Free Resource: PHet|
Award-winning PHet resources are created at the University of Colorado at Boulder, and use examples of physical phenomena.
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“We launched CSO in March of this year. Already, we have hundreds of teachers, thousands of students, and more than 350 schools using it.”
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