How do you describe a noise? Sounds are often described as loud or soft; high-pitched or low-pitched. These words are commonly used to describe, or characterize, how sounds are perceived. Scientists, on the other hand, describe sounds with characteristics that can be measured using instruments. How do you describe a beautiful sound? If you hear […]
What happens when a fluid cools down?
What happens when a fluid cools down? Answer: When the fluid cools, the kinetic energy of the molecules decreases. This causes the molecules to slow down and move closer together. Since the molecules are closer together, the density of the fluid increases and the fluid sinks. What best describes how fluids change as they travel? […]