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
OPTIONS:
- glass jar to contract
- metal lid to contract
- glass jar to expand more than the metal lid expands
- metal lid to expand more than the glass jar expands

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?
OPTIONS:
- The Sun and the Moon have the same diameter.
- The Moon is larger in diameter and farther from Earth than the Sun.
- The Moon is smaller in diameter and is closer to Earth than the Sun.
- The Sun and the Moon are the same distance from Earth.

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?
OPTIONS:
- There are generally more clouds near the oceans.
- Landlocked areas are usually at a lower altitude than coastline areas.
- Coastlines are usually surrounded by mountains that block air masses.
- Oceans change temperature slowly and regulate the temperature of nearby land.
Oceans change temperature slowly and regulate the temperature of nearby land.