IX SEBA 25-26 Gen. Science: Chptr 1 Test 2 Matter in our Nature

What are the three states of matter that water can exist in?

• Solid, Liquid, Gas

• Solid, Plasma, Gas

• Liquid, Gas, Plasma

• Solid, Liquid, Plasma

What is the process of a solid changing into a liquid called?

• Fusion

• Condensation

• Vaporization

• Sublimation

At what temperature does ice melt at atmospheric pressure?

• 373 K

• 0 K

• 100 K

• 273.16 K

What is the term for the heat energy required to change 1 kg of solid into liquid at its melting point?

• Thermal energy

• Latent heat of vaporization

• Latent heat of fusion

• Specific heat

What happens to the temperature of a solid during the melting process?

• It increases

• It fluctuates

• It decreases

• It remains the same

What is the boiling point of water at atmospheric pressure?

• 0 °C

• 100 °C

• 50 °C

• 150 °C

What is the term for the change of state from gas to solid without passing through the liquid state?

• Sublimation

• Condensation

• Deposition

• Fusion

What is the effect of increasing temperature on the kinetic energy of particles in a solid?

• Decreases kinetic energy

• Increases kinetic energy

• No effect

• Stops particle movement

What is the phenomenon called when a liquid changes into vapor at temperatures below its boiling point?

• Fusion

• Sublimation

• Condensation

• Evaporation

Which factor does NOT affect the rate of evaporation?

• Temperature

• Color of the liquid

• Surface area

• Humidity