What is the process called when an acid and a base combine to produce water and salt?
A: neutralization

When ice cream is left out of a freezer, the ice cream changes from a ___.
A: solid to a liquid

A student is writing a report on volcanoes. What should the student include to best help explain how a volcano works?
A: a diagram showing the structure of a volcano

What form of energy is being used when a person pushes a wooden block across the floor?
A:
mechanical