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Finals For 10th > science > Flashcards

science Flashcards

1
Q

what is the si unit of measurment for energy

A

joule

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2
Q

which is also referred to as the energy of postition

A

potential energy

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3
Q

which is the formula for gravitional potentional energy

A

gpe=wxh

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4
Q

what type of energy is the avergae sum of the kinetic energies of all the particles in an object

A

thermal energy

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5
Q

which term refers to the repetitive back and forth motion that particles in acoustic energy travel in

A

oscillation

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6
Q

which type of energy uses the electrical charges in atoms

A

electrical energy

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7
Q

which type of energy uses the electromagnetic spectrum

A

magnetic energy

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8
Q

which type of energy is found in the chemical bonds of compounds

A

chemical energy

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9
Q

which equation is associated with mass energy

A

E=mc2

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10
Q

when small nuclei of atoms are smashed together it is called

A

fussion

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11
Q

which law of thermodynamics states that energy can neither be created nor destroyed only changed

A

first law of thermodynamics

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12
Q

what type of collision occurs when two objects collide and rebound with no defromation

A

elastic collision

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13
Q

a car acciden is a good example of which type of ollision

A

partially elastic collision

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14
Q

which type of momentum describes a sytem moving on a straight path

A

linear momentum

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15
Q

if two objects stick together after a collision then the collision is

A

inelastic collision

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16
Q

the operation definition of blank is the ability to do work

A

energy

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17
Q

what tpye of energy is energy of motion

A

kinectic

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18
Q

list one of the diffrences between acoustic and thermal enrgy

A

one has to do with temperature and the other sound

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19
Q

which type of energy is associated with the nucleus of an atom

A

nuclear energy

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20
Q

which type of nuclear energy occurs when the nucleous of an atom is split apart

A

fision

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21
Q

what is the abundant form of potential energy in the universe

A

mass energy

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22
Q

what does the law of the conservation of energy state

A

energy can neither be created nor destroyed only changed`

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23
Q

what is the formula for momentum

A

p=mxv

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24
Q

what occurs when a force acts on an object to move it in a direction parallel to the force vector

A

mechincal work

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25
Q

which is known as the rate of doing work

A

power

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26
Q

the advantage that simple machines give us is known

A

mechincal advantage

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27
Q

which principle states that to conserve work and energy simple machines compensate for a smaller effort force by exerting that force over a longer distance

A

distance principle

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28
Q

which simple machine is a rigid bar that rests on a pivot point

A

lever

29
Q

which class of lever does the fulcum sit between the resistance and effort

A

first class lever

30
Q

which is a modified form of a wheel and axle and has notches or teeth around it

A

gear

31
Q

which is a wheel with a groove around its outer circumference mounted on an axle and a rope rests in the groove and moves with the pulley as it rotes

A

pulley

32
Q

which is a two dimensional titled surface that allows a resistance load to be moved from a lower postion to one that is higher with less effort than lifting vertically

A

inclined plane

33
Q

which is a fastener that exerts a large amount of force to hold objects together

A

screw

34
Q

what is the formula for work

A

w=dxf

35
Q

what is the point of a lever called

A

the fulcrum

36
Q

which simle machine is a disk that rotates around an axis

A

wheels

37
Q

a cylindrical screw with closely spaced threads are called

A

bolts

38
Q

what is formla for power

A

p=w/delta time

39
Q

what is the study of how fluid flow and how forces and energy are transmitted through fluids

A

fluid mechanics

40
Q

what property of fluids states that at a given point in a body of water the pressure is exerted equally in all directions

A

fluid pressure

41
Q

what is water pressure due to depth alone called

A

hydrostatic pressure

42
Q

what is the c shaped sealed tube dectector used in pressure sensing instrument called

A

bourban tube

43
Q

what is the science of transmissionof forces and energy by liqiuds

A

hydraulaics

44
Q

which principle describes the way that fluid flows around curved surfaces and is a principle that helps describe how aiplanes fly

A

coanada effect

45
Q

what law describes the inverse relationship between volume and temperature

A

charles law

46
Q

what barometer is smaller than the mecury barometer and contains a sealed accordion like can be filled with low pressure gas

A

aneroid barometer

47
Q

what is the formula for pressure

A

p=f/a

48
Q

what is the metric unit of measurment for fluid pressure

A

pasacals

49
Q

which principle states that an immersed object is lifted or buoyed up by a force equal to the weight of the fluid displaced

A

archimendas

50
Q

what is the study of thermal energy and heat and how they relate to other kinds of energy and work

A

thermodynamics

51
Q

who invented the steam engine and explained how it worked using the caloric theory

A

nicolas sadi carnot

52
Q

who helped to debunk the caloric theory by observing cannon boring methods

A

count rumsord

53
Q

what is the average sum of the kinetic energies of its particles

A

thermal energy

54
Q

which temperature scale sets waters freezing point at 32 degress and boiling at 212 degres

A

fahrenheit

55
Q

which temperature scale included absolute zero

A

kelvin

56
Q

what is the flow of thermal energy from one place to another

A

heat

57
Q

in which type of heat transfer is thermal energy carried from one location to another by a fluid

A

convection

58
Q

which type of heat transfuses electromagnetic energy

A

conduction

59
Q

what is term for the thermal energy in joules that an object must gain or lose to cause a temperature change of 1 degree C

A

heat capicty

60
Q

what is the name of the instrument used to measure transfers of thermal energy within its insulated chamber

A

calorimeter

61
Q

the amount of thermal energy exchanged per gram of material during melting or freezing is the material

A

laten heat of fusion

62
Q

the amount of thermal energy exchanged per gram of material going from liquid to gas or gas to liquid is the materials

A

latent heat of vaporization

63
Q

the blank theorys claimed that heat was a fluid and that explains how it was transferred from one objects to another

A

calvic

64
Q

the blank of a substance is directly related to the average kinetic energy of its atoms and molecules

A

temperature

65
Q

what is the temperature point at which all particles motion stops

A

absolute zero

66
Q

what is the formula to convert from Fahrenheit to Celsius

A

Tf=1.8c+32

67
Q

`how does the heat affect the viscosity of a fluid

A

it helps fluid flow so like in a car all that heat goes somewhere

68
Q

which type of heat transfer occurs through a hotter object touching a cooler object heating the cooler object

A

conduction

Finals For 10th (4 decks)

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