Phy Sci chapter three quizzes

Question 0

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

Answer 0

C. thermal energy

Question 1

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

Answer 1

d.) all of the above

Question 2

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

Answer 2

B. always in motion

Question 3

The particles can slide past each other, but are still packed together

Answer 3

Liquid

Question 4

The particles have broken down and become ionized

Answer 4

Plasma

Question 5

The particles are in a rigid, fixed structure

Answer 5

Solid

Question 6

The particles are in constant motion and rarely stick together

Answer 6

Gas

Question 7

The process of a solid changing directly into a gas is called

Answer 7

Sublimation

Question 8

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

Answer 8

C. total mass stays the same in changes of state

Question 9

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

Answer 9

D. a substance has the same energy before and after a change of state

Question 10

When ice melts to form liquid, energy is 
A. created 
B. destroyed 
C. released 
D. absorbed

Answer 10

C. released

Question 11

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

Answer 11

A. Freezing point

Question 12

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

Answer 12

C. Energy is transferred from burning gasoline

Question 13

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

Answer 13

D. Energy is absorbed

Question 14

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

Answer 14

B. Particles slow down and clump together

Question 15

Which of the following is not a fluid 
A. Air 
B. Water 
C. Carbon dioxide 
D. Wood

Answer 15

D. Wood

Question 16

The notion that an object floats if the buoyant force on the object is equal to the object's weight was described by 
A. Pascal 
B. Archimedes 
C. Bernoulli 
D. Boyle

Answer 16

B. Archimedes

Question 17

The ability of an object to float on a fluid is influenced by the 
A. Buoyant force on a fluid 
B. Density of the object 
C. Density of the fluid
D. All of the above 
E. None of the

Answer 17

D. All of the above

Question 18

Pascal's principle states that a contained fluid exerts pressure 
A. Equally in all directions 
B. Only downwards 
C. Only upwards 
D. Only upwards and/or downwards

Answer 18

A. Equally in all directions

Question 19

Force divided by area over which the force is exerted is the calculation for
A. viscosity 
B. Pressure 
C. Density 
D. Density

Answer 19

B. Pressure

Question 20

A measure of the resistance to flow of a fluid is 
A. Viscosity 
B. Mass 
C. Density 
D. Volume

Answer 20

A. Viscosity

Question 21

The speed at which a fluid flows through a pipe is influenced by the 
A. Flow rate of the fluid 
B. Viscosity of the fluid 
C. Cross-sectional area of the pipe 
D. All of the above 
E. None of the above

Answer 21

D. All of the above

Question 22

As the pressure of a moving liquid increases, it's speed
A. Decreases 
B. Stays the same 
C. Increases 
D. Varies

Answer 22

A. Decreases

Question 23

Bernoulli's principle describes the property of a(n) 
A. Fluid at rest 
B. Stays the same 
C. Increases 
D. Object floating in a fluid

Answer 23

B. Fluid in motion

Question 24

Upward force exerted on an object immersed to floating on a liquid is called 
A. Tensile force 
B. Buoyant force 
C. Fluid pressure
D. Buoyant pressure

Answer 24

B. Buoyant force