Set 2: Thermal Expansion Quiz

What happens to the kinetic energy of particles in a substance when it is heated?

• Decreases

• Remains constant

• Increases

• Becomes zero

Which material has the highest coefficient of thermal expansion?

• Steel

• Glass

• Aluminum

• Concrete

In the context of heat expansion, what does anisotropy in a solid mean?

• Expands equally in all directions

• Does not expand

• Expands more in one direction than in others

• Expands only when cooled

What is the primary difference in the molecular movement between gases and liquids during heat expansion?

• Molecules in gases move slower than in liquids

• Molecules in gases are more ordered than in liquids

• Molecules in gases move more freely and are further apart

• Molecules in gases do not move

How does the expansion of water differ from most other substances when it freezes?

• It contracts

• It expands

• It does not change volume

• It becomes heavier

What is the primary reason bridges are designed with expansion joints?

• To reduce weight

• To enhance aesthetic appeal

• To accommodate thermal expansion and contraction

• To increase strength

How does the density of a substance generally change when it is heated?

• Increases

• Decreases

• Remains constant

• Becomes zero

Which law best describes the relationship between pressure, volume, and temperature in gases?

• Charles's Law

• Boyle's Law

• The Ideal Gas Law

• Newton's Law of Cooling

What is thermal stress?

• Stress caused by weight

• Stress caused by pressure

• Stress caused by temperature changes

• Stress caused by wind

How does temperature affect the viscosity of liquids?

• Increases with temperature

• Decreases with temperature

• Remains the same

• Becomes solid