Aufgabe: 1st and 2nd laws of thermodynamics Watch this video and formulate the first and the second laws of thermodymics. Type in your ideas.

• 1st law: change of internal energy is equal to work done by (on) system plus heat
• 2nd law: heat will spontaneously flow from something hotter to something colder, but won't flow from something colder to something hotter

Aufgabe: So, how many right answers have you got?

• I've answered correctly on all the questions except two of them