Hot and Cold

Summary

Students study the energy associated with physical and chemical changes. The activity consists of observing nine phenomena.

Materials

• student instructions/worksheet (attached)

  per group:

• acetone in dropper bottles
• alcohol in dropper bottles
• concentrated sulfuric acid in dropper bottles
• 6 M HCl in dropper bottles
• 6 M NaOH in dropper bottles spatula of NaOH
• 2 spatula of NH4Cl
• spatula of Ba(OH)2
• spatula of CaCO3
• spatula of anhydrous CuSO4

Instructional Procedures

Step-by-step instructions and procedures are found on the student instruction sheet attached.

Bibliography

Lesson Design by Jordan School District Teachers and Staff.