title: Boiling point
Name_______________ period ___
purpose: To see what temperature water boils at in our location. prediction: materials: alcohol burners, goggles, wire stand, beaker, thermometer, cork, boiling chips, clamp, ring stand procedure: 1. set up apparatus. 2. add 100 ml of water and boiling chips to beaker. 3. Light the burner and record temperatures every 30 seconds. data: temperature time
temperature
time
temperature
0
analysis 1. What is the class average for boiling point?
time
temperature
2. In Celsius, boiling point is supposed to be 100 degrees. In San Diego it is 100 degrees. How come not here?
3. If you were up on Kings Peak, Utahs’ highest mountain, what would you expect the boiling point to be? 4. Would it take longer or shorter to cook food there? 5. What is boiling?
6. What are the bubbles made of? 7. What is happening to the particles of water?
Conclusion: 2 things you learned.