Physics
When hot-water is sprinkled on a hotter glass tumbler, it breaks because

Glass suddenly contracts
Water evaporates
Glass suddenly expands
Glass reacts chemically with water

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Physics
A white and smooth surface is

Bad absorber and good reflector of heat
Bad absorber and bad reflector of heat
Good absorber and good reflector of heat
Good absorber and bad reflector of heat

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Physics
Planets are

luminous heavenly bodies that twinkle
luminous heavenly bodies that do not twinkle
luminous heavenly bodies revolving around a star
non-luminous heavenly bodies

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