(Question)
Q: The voltage is measured using a voltmeter, which measures which difference across two points? Choices: - Distance - actual difference - average difference - potential difference A:
(Answer)
potential difference

(Question)
Q: The yellowstone hot spot is a famous example of a what? Choices: - form hot spot - oceanic hot spot - deeper hot spot - continental hot spot A:
(Answer)
continental hot spot

(Question)
Q: When matter changes into an entirely different substance with different chemical properties, what has occurred? Choices: - mechanical change - gaseous change - physical change - chemical change A:
(Answer)
chemical change