Phy Sci chapter three quizzes Flashcards
The measure of the average kinetic energy of the particles in an object is called A. plasma B. kinetic temperature C. thermal energy D. particle energy
C. thermal energy
According to the kinetic theory of matter, which of the following statements is true about matter?
• a.) the atoms and molecules of a substance are always in motion
• b.) the higher the temperature of a substance, the faster it’s particles move
• c.) more massive particles move more slowly than less massive particles
• d.) all of the above
• e.) none of the above
d.) all of the above
All matter is made of atoms and molecules that are A. always fixed in position B. always in motion C. moving in the same direction D. moving slowly
B. always in motion
The particles can slide past each other, but are still packed together
Liquid
The particles have broken down and become ionized
Plasma
The particles are in a rigid, fixed structure
Solid
The particles are in constant motion and rarely stick together
Gas
The process of a solid changing directly into a gas is called
Sublimation
According to the law of conservation of mass
A. mass is lost in only physical changes
B. mass is lost in only chemical changes
C. total mass stays the same in changes of state
C. total mass stays the same in changes of state
According to the law of conservation of energy
A. energy is not absorbed or released in changes of state
B. energy is not transferred during changes of state
C. energy is not created or destroyed in changes of state
D. a substance has the same energy before and after a change of state
D. a substance has the same energy before and after a change of state
When ice melts to form liquid, energy is A. created B. destroyed C. released D. absorbed
C. released
The temperature at which a substance changes from a liquid to a solid is the A. Freezing point B. Saturation point C. Boiling point D. Condensation point
A. Freezing point
The engine of a car left running for a long period of time become hot because
A. energy is created by burning gasoline
B. energy is absorbed by burning gasoline
C. energy is transferred from burning gasoline
D. energy is released as gasoline evaporates
C. Energy is transferred from burning gasoline
A substance changes from a liquid to a gas during evaporation because A. Energy is lost B. Energy is released C. Energy is created D. Energy is absorbed
D. Energy is absorbed
What happens to the particles of a substance when it condenses
A. Particles speed up and spread out
B. Particles slow down and clump together
C. Particles stick together and stop moving
D. Particles vibrate as they lose energy
B. Particles slow down and clump together