The more cylinders a car engine has, the more powerful its engine can be.  Does a car with an 8 cylinder engine have more power or less power than a 4 cylinder engine More or Less?
More

The darker the urine, the less water it contains.  Sandra had to pee, and when she did, she noticed her urine was dark, because she had consumed water in greater amounts or lesser amounts?
lesser amounts

For a given medium, sound waves travel more slowly at lower temperatures.  Eric moved to Arizona from Alaska. The higher temperatures overall mean that sound travels faster or slower?
faster

Exhaling, or breathing out, decreases the size of the chest, which increases air pressure inside the lungs.  A doctor was doing some lung tests on a patient and testing the air pressure inside the patient's lungs. She found that when the patient's chest got smaller while expelling air that the pressure in the patient's lungs got higher or lower?
higher