Lessons 5: How Do Changes in the Concentration of Methane Affect Climate?
Methane consists of one atom of carbon surrounded by four atoms of hydrogen. Many organisms give off methane to the atmosphere as a result of the decomposition process.
Doing the science
- Start the Weather simulation.
- Click the "Change Factors" button.
- Select "Methane" from the "Choose Factor" pull-down menu.
- Select "+15%" from the "0%" pull-down menu. Click the "Apply change" button.
- Click the "Spin" button.
- A red icon indicates an increase in temperature of 0.1 ºF. A blue icon indicates a decrease in temperature of 0.1 ºF. The green dot in the graph at the top of the screen displays the net change in temperature over the 30-year period. Record your data in the graph below.
- To speed the spin rate up, click on the green "Faster" icon next to the "Spin" button.
- Repeat steps 5 and 6 until you complete a total of 20 spins.
- On a piece of graph paper, copy the graph below and record your data in it.