Language Standards > Building Academic and Domain-Specific Vocabulary (CCSS.L.8.6) Practice Test

For my chemistry experiment, I tested how salt affects the freezing point of water. To ensure reliable results, I kept a ____ record of each trial, noting the temperature and time for every reaction.

During the experiment, the beaker grew warmer without any external heating. Because the reaction releases heat to its surroundings, it is best described as _____.