We’re busy revamping our “For Teachers” page. And, we’d love to hear what you like (or don’t like) and what features you’d like to see there. Your feedback will make the “For Teachers” an even more useful resource for every PhET user! Please send feedback to kathryn.dessau@colorado.edu.
For Grades 9-12, this homework assignment lets students explore how the mass of an object is determined using spring balances. Next they use the spring balance to determine the mass of an unknown object, and then find the gravity on Planet X.
http://phet.colorado.edu/en/contributions/view/2817
Here’s a great lesson on reaction rates from Ms. Emily Firchau at Arapahoe High School. Thanks Emily!
http://phet.colorado.edu/en/contributions/view/3147
Here are four lessons for learning about conservation of energy by having fun with a “skater dude” in the Energy Skate Park.
phet.colorado.edu/en/contributions/view/3134
