Teachers, save “Heating and Cooling of Gases” to assign it to your class.

Record yourself showing and explaining what happens to air when it is heated and cooled. 1. Tap the button. 2. Tap the video button to record yourself showing and explaining what happens to air when you put the bottle in the different temperatures. 3. Tap the play button to listen to the quality of your recording. Did you explain what is happening and why? Can we hear your voice clearly? 4. Tap the check to add your work to your journal.