Hi if you are scrambling to find online activities in case schools close, I'd like to suggest my Chembalancer chemistry game and Element Quiz game at FunBasedLearning.com. They are both free and do not require registration. The Chembalancer game has instruction built in and works great - all my former grade 9 students learned to balance chemical equations in half in hour. It's super easy to grade too - just have them send you a screenshot of the final page showing they completed the activities.
For ease of access, here is the hyperlink: funbasedlearning.com
I highly recommend the online PhET simulations, particularly this one: https://phet.colorado.edu/en/simulation/balancing-chemical-equations
Hope this helps,
Gabe
That balancing equation game sounds awesome. I am going to borrow that and will let you know how it goes!
PhET, is one of the favorite sites to add a simulator for students to explore.
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