1. Play the video for trial 1. Notice the temperature display also says "Timelapse: 15x normal speed". This means the video is sped up so that a 1 minute segment of the video shows something that took 15 minutes in the lab.
Why might it be useful to speed up the video for this experiment?

Initially, the balloon had 3.0 liters of gas at a pressure of 400 kpa and was at a temperature of 294 k. if the balloon is cooled to 277 k and its volume decreased to 1 l, what will the new pressure in the balloon be?

Write a paragraph that provides examples of each stage of volcanic activity, a description of the volcano, and facts about each stage.

How does a scientist the government? a. the scientist tells people in society what to do. b. the scientist determines the policies that the government spends money on. c. the scientist provides unbiased information to the government. d. the scientist makes laws based on his or her research results.