Driving question : How does the temperature change during the evaporation of liquids?
In this activity students investigate the process of evaporation and use a temperature sensor to record temperature changes during evaporation of water and alcohol.
Topic: States of matter,
Concepts: Change of state, Endothermic reaction, Rate of evaporation, Temperature of evaporation,
Grade level: Middle School (11-14 years),
Activity type: Data logging,
Sensors: Temperature sensor,
Interface requirements: Single analog sensor input,
The Student Worksheet gives investigation instructions for students.
The Teacher Notes includes teacher commentaries such as didactical approach, exemplary questions, assignments and data analysis.
The Science Background describes the scientific principles that underlie the activity.