During the week of May 13th, the CO2 level at the Mauna Loa Observatory in Hawaii topped 400 ppm repeatedly. Daily levels of CO2 can vary due to weather, and there are seasonal trends as well.
CO2: How Much Do You Spew? Classroom Activity Kit
$11.99
Classroom activity kit includes CO2: How Much Do You Spew? Activity Description (4 pages), Student Worksheet (for reproducing), Teacher Answer Key, and one or more set of re-useable laminated cards with 10 different family energy use scenarios.
Options:
- Kit with a single set of cards - good for 10 students or a larger group of students working in groups. ($11.99)
- Kit with two sets of cards - good for 20 students or a larger group of students working in groups. ($24.99)
- Kit with three sets of cards - good for 30 students or a larger group with 30 students participating (in three groups of 10) and other students observing. ($37.99)
Price: $11.99
