1What is kinetic energy? ANSWER: the energy of movement
2.A fisherman in a boat drinks a cup of hot coffee. The big lake under his boat is full of cold water. Which statement is an accurate comparison of lake water and coffee?
ANSWER: The lake will have more total heat energy, but the coffee particles will move faster.
3. The gallium in the image melts in the person’s hand. What changes will occur at the microscopic level?
ANSWER: Gallium atoms will gain potential energy, moving freely past each other.
4. Which object will have particles with the highest average kinetic energy?
ANSWER: a drop of water at 90°C
5. Thermal energy is transferred to a substance. What change can happen?
ANSWER: Particles can acquire potential and kinetic energy.
I hope this will help you 100% guarantee that you will succeed. Thank you very much, everything is correct, I appreciate it. thanks man you saved my NPPP rating!!! Np!! connexus kid All correct, thank you! Coooooooooooooooooorrect