Thermal Energy and States of Matter Quiz

Which statement describes what happens as ice at 0°C starts to melt to become water?

• A Energy is absorbed and the temperature remains constant.

• B Energy is absorbed and the temperature rises.

• C Energy is released and the temperature remains constant.

• D Energy is released and the temperature rises.

A liquid at room temperature fills a flask and a glass tube to level X. The flask is now placed in ice, and the liquid level in the tube falls to level Y. Why does the level fall?

• A The flask contracts.

• B The flask expands.

• C The liquid contracts.

• D The liquid expands

Melting is a process of

• A.gas to liquid

• B.liquid to gas

• C.solid to liquid

• D.liquid to solid

Vaporization includes

• A.Evaporation

• B.Boiling

• C.Evaporation and boiling

• D.Condensation

Which of the following statements is true?

• A.Crystal do not have melting point.

• B.Non-crystal has melting point.

• C.Crystal has melting point.

• D.Metals are non-crystal.

Which of the following statements is true?

• A.When solid and liquid coexist, the temperature stay the same in melting process.

• B.Crystal melting absorbs heat, non-crystal melting release heat.

• C.All solids have a melting point

• D.A solid will not melt until it reaches its melting point

Which phase of the state of matter change process is absorb heat?

• A.Freezing

• B.Condensation

• C.Vaporization

• D.Deposition

Which of the following statements is true?

• A.Non-crystal melting release heat.

• B.There is a part of the melting process that does not absorb heat.

• C.The melting process absorb heat all the time.

• D.Non-crystal does not melt.

Which of the following statements is true?

• A.A few energetic molecules far away to the surface of a liquid may escape and become gas molecules.

• B.Evaporation occurs at all temperatures

• C.The temperature is higher, evaporation less rapidly.

• D.The surface area of the liquid is small, so giving more molecules a chance to escape

Which of the following statements is true?

• A.Boiling occurs in all temperature.

• B.Liquid boiling occurs at a definite temperature called its boiling point.

• C.Boiling release heat.

• D.Boiling occurs only on liquid surface.