Which statement best explains why heating a liquid affects its viscosity?

[Karthik]

Which statement best explains why heating a liquid affects its viscosity?

1. The molecules move faster at higher temperatures and overcome attractions more easily.
2. The molecules move faster at higher temperatures, and the attractions between them increase.
3. The molecules move slower at higher temperatures and overcome attractions more easily.
4. The molecules move slower at higher temperatures, and the attractions between them decrease.