Mid-Term Exam

Question 1

equals 0.01 g?

Answer 1

1cg

Question 2

the idea that the universe is lawful, orderly, and operates according to physical laws

Answer 2

.

Question 3

force that propels an airplane forward

Answer 3

.

Question 4

type of deformation that is a combination of stretching and compressing

Answer 4

.

Question 5

what idea explains that molecules of an object move faster as the object is heated?

Answer 5

.

Question 6

what is the energy of motion

Answer 6

.

Question 7

what is the energy of visible light?

Answer 7

.

Question 8

what fundamental force is an attractive force between two masses?

Answer 8

.

Question 9

what fundamental force binds the subatomic particles in the nucleus together?

Answer 9

.

Question 10

device used to measure the change in heat in physical and chemical changes

Answer 10

.

Question 11

what device automatically regulates temperature?

Answer 11

.

Question 12

what is the most important component of a heat pump?

Answer 12

.

Question 13

If the initial pressure of gas is 100kPa, what is the new pressure if the volume is doubled and the temperate is held constant?

Answer 13

.

Question 14

device that uses a double-walled container and an insulating stopper to keep liquified gases cold

Answer 14

.

Question 15

the proportion of the universe being studied

Answer 15

.

Question 16

the transfer of thermal energy without matter

Answer 16

.

Question 17

the coldest possible temperature

Answer 17

.

Question 18

scientists often express the laws of the universe as mathematical sentences called _____

Answer 18

z

Question 19

the equation for gravitational potential energy

Answer 19

a

Question 20

general term for any transfer of thermal energy

Answer 20

h

Question 21

three factors that affect an objects rotational kinetic energy are mass, rotational speed, size, and _____

Answer 21

h

Question 22

the amount of heat needed to cause a unit rise in temperature of a unit mass of a substance

Answer 22

l

Question 23

the amount of space matter takes up

Answer 23

n

Question 24

the amount of force per unit of area

Answer 24

w

Question 25

the ratio of the density of a substance to the density of a standard

Answer 25

q

Question 26

the amount of heat needed to change an objects temp by a certain amount

Answer 26

u

Question 27

the amount of disorder in a system

Answer 27

j

Question 28

T/F the ability to do work is ENERGY

Answer 28

true

Question 29

T/F how closely a measurement reflects the actual value is PRECISION

Answer 29

k

Question 30

T/F liquids that evaporate quickly are considered NONVOLATILE

Answer 30

m

Question 31

T/F most nations measure temp using the FAHRENHEIT scale

Answer 31

o

Question 32

T/F a device used to measure altitude is an ALTIMETER

Answer 32

j

Question 33

T/F motion in a circle centered on a point outside the object is CIRCULAR motion

Answer 33

k

Question 34

heat of vaporization is an example of UNRECOGNIZED heat

Answer 34

m

Question 35

T/F a theoretical device that would generate the maximum possible amount of work from a given amount of heat is an OVERBALANCED WHEEL

Answer 35

j

Question 36

potential energy caused by a restorative forces is ____ potential energy

Answer 36

.

Question 37

potential energy caused by two stationary charged objects is _____ potential energy

Answer 37

.

Question 38

one-way diffusion through a semipermeable membrane is _____

Answer 38

.

Question 39

the process in which heat is transferred by direct contact is ____

Answer 39

.

Question 40

(64.0N/m)(2.406 m)=

Answer 40

.

Question 41

extremely small particles that make up matter

Answer 41

.

Question 42

density of an object with a mass of 27g and a volume of 9cm

Answer 42

.

Question 43

temp at which the vapor pressure equals atmospheric pressure is the ____ point

Answer 43

.

Question 44

SI unit of mass

Answer 44

.

Question 45

heat required to change a given mass of a solid into a liquid without changing its temp is heat of_____

Answer 45

.

Question 46

law stating that temp and pressure are directly related when volume is held constant

Answer 46

.

Question 47

law that relates the force needed to deform a solid to the amount of deformation

Answer 47

.

Question 48

kinetic energy of a 2.0kg object moving at 3.0m/s

Answer 48

.

Question 49

get#50

Answer 49

.

Question 50

water being cooled stops contracting at a temp of

Answer 50

.

Question 51

SI unit of energy

Answer 51

.

Question 52

moving currents of fluid that transfer heat

Answer 52

.

Question 53

state of matter that exists when temps are too high for matter to exist in its ordinary states

Answer 53

.

Question 54

the orderly process by which scientists investigate the secrets of nature

Answer 54

.

Question 55

says that natural processes tend to go toward less usable energy and greater disorder

Answer 55

.

Question 56

another name for vacuum bottle

Answer 56

.

Question 57

#58

Answer 57

.

Question 58

form of motion that involves a change in the objects position

Answer 58

.

Question 59

tendency of a solid object to float

Answer 59

.

Question 60

61

Answer 60

.

Question 61

62.

Answer 61

.

Question 62

63.

Answer 62

.

Question 63

64.

Answer 63

.

Question 64

65.

Answer 64

.

Question 65

66.

Answer 65

.

Question 66

substances composed of a single type of atom

Answer 66

.