Make isotopes of elements, view abundance, calculate average atomic mass
https://phet.colorado.edu/sims/html/isotopes-and-atomic-mass/latest/isotopes-and-atomic-mass_en.html
Make isotopes of elements, view abundance, calculate average atomic mass
https://phet.colorado.edu/sims/html/isotopes-and-atomic-mass/latest/isotopes-and-atomic-mass_en.html
See inner planets moving
http://physics.bu.edu/~duffy/HTML5/inner_solar_system_new.html
Change positive charge from diffuse to concentrated fire alpha particles
Helen rates this resource as Good
Change radius, speed, mass, see a and Fc
View alpha particle expt with different nuclei, change energy, view single nuclei, compare with plum pudding model
https://phet.colorado.edu/sims/html/rutherford-scattering/latest/rutherford-scattering_en.html
Helen rates this resource as Good
Change speed, see force of Sun on Earth
http://physics.bu.edu/~duffy/HTML5/gravitation_Earth_Sun.html
Simulation of discovery of electron
http://mw.concord.org/nextgen/#interactives/physics/the-atom-physics/crookes-tube-physics
Click on globe to see value of g
http://www.physicsclassroom.com/Physics-Interactives/Circular-and-Satellite-Motion/The-Value-of-g
Send different charged particles between plates , view deflection
Explore value of g on other planets