David Fee studies sound waves so deep and low that humans cannot hear them. What are these low frequencies called?
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.
Use the drop-down menus to complete each statement about Steven Businger’s work with volcanoes in Hawaii. Volcanoes release a hazy smoke called . Steven Businger helped develop a that predicts how this smoke spreads. To model the smoke conditions, scientists measure the amount of gas a volcano is spewing.
research database✔ computer model research paper
sulfur carbonate carbon dioxide ✔ sulfur dioxide
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