Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button if available to get a clue. Note that you will lose points if you ask for hints or clues!
change cooler degree Celsius Fahrenhe flows gains Hea heat Heat hot Joules Kelvin mass material Temperature temperature temperaure thermal