TASK DEFINITION: In this task, you are given a question and answer for that. The answer will fill in the blank or will complete the unfinished question. Your task is to provide an explanation based on the given question or fill-in-the-blank statement, and answer.
PROBLEM: Question: Henry noticed that his piece of cake was lighter than his piece of butter. The cake was _____ dense. 
 Answer: less

SOLUTION: A given volume of a denser substance is heavier than the same volume of a less dense substance.

PROBLEM: Question: What would happen to the speed of Earth's orbit if our planet were to move closer to the Sun? 
 Answer: increased speed

SOLUTION: The Earth travels faster in its elliptical orbit when it is closer to the Sun than when it is farther away.

PROBLEM: Question: Eric drank a glass of juice. The juice tasted sweet. The pH of the drink is likely closest to 
 Answer: 1

SOLUTION:
The more acidic a solution is, the closer its pH value will be to 0