When your volcano model is ready, lift the cap and watch the pouch drop into the lava. It will foam up slowly, mimicking the slow buildup of earth's gases, until the vinegar fully soaks the tissue ...

The father and daughter then finish off the experiment, cheering and laughing as the volcano erupts. "It's coming out, the hot lava," Stormi laughs as Jenner and Scott cheer.

Bret Harte Elementary School students set off model volcanoes as part of the Museum of Science and Industry’s 90th anniversary Thursday.

Ultimately, though, these experiments are invaluable in their ability to scale down the complexities of real volcanoes to a controlled laboratory environment, allowing scientists to make new ...

The world’s largest volcano will help experts model lava flows and give them “unprecedented” access for studying molten material beneath Earth’s surface.