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: Mars has _____ effect on the tides than the Moon. 
 Answer: less

SOLUTION: The Moon has a greater effect on the tides because, although it is much smaller than the Sun, it is much closer.

PROBLEM: Question: Noah compares the density of the water in a pond during a hot July day and a cold winter morning. The water on the July day is 
 Answer: less dense.

SOLUTION: Lower temperature and higher salinity yield the densest water.

PROBLEM: Question: Clare was trying Tom start a fire by rubbing two sticks together. The sticks became 
 Answer: hot

SOLUTION:
Friction causes the molecules on rubbing surfaces to move faster, so they have more heat energy.