IMG_8790

The classroom degassing volcano experiment that never gets old for me. Oil, water, dye and alka seltzer. The degassing here is just getting going – notice the difference in colour between the gas-rich (ascending) and gas poor (descending) bubbles. All images here Courtesy of SAW Trust

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s