Changes in State

Multiple Choice

All things in motion have ______.

• kinetic energy
• potential energy
• thermal energy
• electrical energy

Multiple Choice

______ and ______ are always conserved during a change of state.

• Matter and energy

• Momentum and velocity
• Density and pressure
• Volume and temperature

Multiple Select

1. Energy is _________ or _______ during a change of state, but it is conserved during this change.

• released
• created
• destroyed
• absorbed

Multiple Choice

1. The only substance that exists naturally on Earth in all three states is _______.

• fire
• rock
• air
• water

Multiple Choice

What is the melting point of water?

• 100 degrees Celsius or 212 degrees Fahrenheit.
• 50 degrees Celsius or 122 degrees Fahrenheit.
• 10 degrees Celsius or 50 degrees Fahrenheit.
• 0 degrees Celsius or 32 degrees Fahrenheit

Multiple Select

1. Once a substance melts, the average ______ energy of its particles begins to increase again as more ______ energy is added.

• kinetic
• chemical
• thermal
• potential

Multiple Choice

What is the boiling point of water?

• 50 degrees Celsius (122 degrees Fahrenheit)
• 100 degrees Celsius (212 degrees Fahrenheit)

• 75 degrees Celsius (167 degrees Fahrenheit)
• 150 degrees Celsius (302 degrees Fahrenheit)

Multiple Choice

the change of state from a solid to a gas without going through the liquid state.

• melting
• condensation
• sublimation
• evaporation

Multiple Choice

the change of state from a gas to a solid without going through the liquid state

• sublimation
• condensation
• evaporation
• deposition

Multiple Choice

A liquid changes to a gas during the process of _______.

• condensation
• sublimation
• melting
• evaporation

Multiple Choice

The change of state from a gas to a liquid is called _________.

• evaporation
• sublimation
• solidification
• condensation

Multiple Choice

Particles have ________ energy as well as kinetic energy.

• electrical
• potential
• thermal
• mechanical

Multiple Choice

1. The total kinetic and potential energy of an object is a matter of its ____________.

• thermal energy
• electrical energy
• chemical energy
• mechanical energy

Multiple Choice

1. __________ is the measure of the average kinetic energy of all the particles in an object.

• temperature
• density
• volume
• pressure

Multiple Choice

1. A temperature increase within a given substance means that the particles, on average, are moving at greater ______ and have greater ____________ in that substance.

• pressure, volume
• speed, kinetic energy
• velocity, momentum
• temperature, potential energy