Question

Fill in the blanks to describe the work of Ben Kennedy, a volcanologist who works in New Zealand.

To learn more about why his pumice sample was shrinking, Ben Kennedy studied
.

This material is similar to pumice because both are full of air
.

Kennedy found that the shrinking had to do with molten rock’s surface
, which is the force that holds a droplet of water together.

Answer 1

To learn more about why his pumice sample was shrinking, Ben Kennedy studied glass.

This material is similar to pumice because both are full of air bubbles.

Kennedy found that the shrinking had to do with molten rock’s surface tension.