8.21 Kai's Stiff Neck
SUMMARY
The high heat capacity of water has many practical applications. One example is making a heating pad for Kai’s sore neck. Duration: 4:43.
VIDEO CHECK QUESTIONS
8.21a Kai wasn’t really surfing the evening of Maile’s firewalk. Go to the concept check answers posted on the web to find out where Kai really was.
8.21b Is it the rice or the water in the rice that makes the neck warmer stay warm for so long?
8.21c A warmed rice sock stays warm for a good while. How long might a rice sock pulled from the freezer stay cold?
All video check questions can be downloaded from the EXTRAs menu.
