A tight metal lid on a jar of pickles may loosen when it has been held in hot water. This is because the hot water causes the

metal lid to expand more than the glass jar expands

Which statement best explains why the Sun and the Moon appear to be about the same size in the sky?

The Moon is smaller in diameter and is closer to Earth than the Sun.

Why do areas in the middle of a large continent generally have more extreme differences in temperature than areas near the coastline?
Oceans change temperature slowly and regulate the temperature of nearby land.