SCIENCE GLOSSARY - PART 2
51. Circuit breaker: It is a safety switch that automatically cuts off the current when there is an overland.
52. Climate: It is the long-term pattern of weather in a region.
53. Coefficient: The number before a chemical formula that indicates how many molecules are involved in a chemical reaction
54. Collision: A situation in which two objects in close contact exchange energy and momentum
55. Compass: it is an instrument which helps people to find their way from one place to another.
56. Compound: A substance made up of two or more different types of atoms bonded together
57. Compound machine: A machine that is made up of two or more simple machines.
58. Concave: Curved inward toward the center, like the inside of a spoon
59. Concentration: The amount of solute dissolved in a solvent at a given temperature.
60. Condensation: The process by which a gas becomes a liquid
61. Conduction: The process by which energy is transferred from a warmer object to a cooler object by means of physical contact.
62. Conductor: A material that transfers energy easily & A material that transfers electric charge easily
63. Convection: A process by which energy is transferred in gases and liquids,occurring when a warmer, less dense area of gas or liquid is pushed up by a cooler, more dense area of the gas or liquid
64. Convex: Curved outward, like the underside of a spoon
65. Cooling tower: It is part of a power station.
66. Cornea: A transparent membrane that covers the eye
67. Coulomb: It is a unit of electric charge.
68. Covalent bond: A pair of electrons shared by two atoms
69. Crest: The highest point, or peak, of a wave
70. Cube: It has a solid shape, it has six square sides which are all the same size.
71. Curie: It is a unit of radio-activity.
72. Cycle: Noun : A series of events or actions that repeat them- selves regularly; a physical and/or chemical process in which one Verb: To move through a repeating series of events or actions.material continually changes locations and/or forms. Examples include the water cycle, the carbon cycle, and the rock cycle.
73. Decibel: It is a unit of measurement. It measures the loudness of sound.
74. Decibel db: The unit used to measure the intensity of a sound wave
75. Degree: Evenly divided units of a temperature scale
76. Density: A property of matter representing the mass per unit volume
77. Diffraction: The spreading out of waves as they pass through an opening or around the edges of an obstacle.
78. Diffuse reflection: The reflection of parallel light rays in many different directions
79. Diffusion: It is the movement of atoms and molecules in gases and liquids.
80. Digital: It is a term meaning coded as number.
81. Dilute: Having a low concentration of solute
82. Diode: It is a term part of some electric circuits.
83. Direct current DC: Electric current that flows in one direction only
84. Docking: It is the mechanical coupling of two or more spacecraft.
85. Doppler effect: The change in perceived pitch that occurs when the source or the one who hears the sound is moving
86. Dynamo: It is a simple generator, or machine for transforming mechanical energy into electrical energy.
87. Echo: It is a sound which is reflected.
88. Eclipse: it is passage of an astronomical body through the shadow of another.
89. Elastically: It is an elastic substance which obey Hooke’s law. This means that if we stretch or compress a sample, it deforms (stains) in proportion. It returns to its original state when the stress ceases.
90. Electric cell: A device that produces electric current using the chemical or physical properties of different materials.
91. Electric charge: A property that allows one object to exert an electric force on another object without touching it. Electric charge can be positive or negative: positive charge is a property of the proton, while negative charge is a property of the electron
92. Electric current: A continuous flow of electric charge, which is mea- suredin amperes
93. Electric field: An area surrounding a charged object, within which the object can exert an electric force on another object without touching it
94. Electric potential: The amount of potential energy per unit charge that a static charge or electric current has. Electric potential is measured in volts and is often called voltage.
95. Electric power: The rate at which electrical energy is generated from, or converted into, another source of energy, such as kinetic energy
96. Electromagnet: A magnet that consists of a piece of iron or steel inside a coil of current-carrying wire
97. Electromagnet: It is a special coil of wire.
98. Electromagnetic spectrum : The range of all electromagnetic frequencies, in- cluding the following types (from lowest to highest frequency): radio waves, microwaves, infrared light, visible light, ultraviolet light, x-rays, and gamma rays
99. Electromagnetic wave : A type of wave, such as a light wave or radio wave, that does not require a medium to travel; a disturbance that transfers energy through a field
100. Electromagnetism: Magnetism that results from the flow of electric charge
52. Climate: It is the long-term pattern of weather in a region.
53. Coefficient: The number before a chemical formula that indicates how many molecules are involved in a chemical reaction
54. Collision: A situation in which two objects in close contact exchange energy and momentum
55. Compass: it is an instrument which helps people to find their way from one place to another.
56. Compound: A substance made up of two or more different types of atoms bonded together
57. Compound machine: A machine that is made up of two or more simple machines.
58. Concave: Curved inward toward the center, like the inside of a spoon
59. Concentration: The amount of solute dissolved in a solvent at a given temperature.
60. Condensation: The process by which a gas becomes a liquid
61. Conduction: The process by which energy is transferred from a warmer object to a cooler object by means of physical contact.
62. Conductor: A material that transfers energy easily & A material that transfers electric charge easily
63. Convection: A process by which energy is transferred in gases and liquids,occurring when a warmer, less dense area of gas or liquid is pushed up by a cooler, more dense area of the gas or liquid
64. Convex: Curved outward, like the underside of a spoon
65. Cooling tower: It is part of a power station.
66. Cornea: A transparent membrane that covers the eye
67. Coulomb: It is a unit of electric charge.
68. Covalent bond: A pair of electrons shared by two atoms
69. Crest: The highest point, or peak, of a wave
70. Cube: It has a solid shape, it has six square sides which are all the same size.
71. Curie: It is a unit of radio-activity.
72. Cycle: Noun : A series of events or actions that repeat them- selves regularly; a physical and/or chemical process in which one Verb: To move through a repeating series of events or actions.material continually changes locations and/or forms. Examples include the water cycle, the carbon cycle, and the rock cycle.
73. Decibel: It is a unit of measurement. It measures the loudness of sound.
74. Decibel db: The unit used to measure the intensity of a sound wave
75. Degree: Evenly divided units of a temperature scale
76. Density: A property of matter representing the mass per unit volume
77. Diffraction: The spreading out of waves as they pass through an opening or around the edges of an obstacle.
78. Diffuse reflection: The reflection of parallel light rays in many different directions
79. Diffusion: It is the movement of atoms and molecules in gases and liquids.
80. Digital: It is a term meaning coded as number.
81. Dilute: Having a low concentration of solute
82. Diode: It is a term part of some electric circuits.
83. Direct current DC: Electric current that flows in one direction only
84. Docking: It is the mechanical coupling of two or more spacecraft.
85. Doppler effect: The change in perceived pitch that occurs when the source or the one who hears the sound is moving
86. Dynamo: It is a simple generator, or machine for transforming mechanical energy into electrical energy.
87. Echo: It is a sound which is reflected.
88. Eclipse: it is passage of an astronomical body through the shadow of another.
89. Elastically: It is an elastic substance which obey Hooke’s law. This means that if we stretch or compress a sample, it deforms (stains) in proportion. It returns to its original state when the stress ceases.
90. Electric cell: A device that produces electric current using the chemical or physical properties of different materials.
91. Electric charge: A property that allows one object to exert an electric force on another object without touching it. Electric charge can be positive or negative: positive charge is a property of the proton, while negative charge is a property of the electron
92. Electric current: A continuous flow of electric charge, which is mea- suredin amperes
93. Electric field: An area surrounding a charged object, within which the object can exert an electric force on another object without touching it
94. Electric potential: The amount of potential energy per unit charge that a static charge or electric current has. Electric potential is measured in volts and is often called voltage.
95. Electric power: The rate at which electrical energy is generated from, or converted into, another source of energy, such as kinetic energy
96. Electromagnet: A magnet that consists of a piece of iron or steel inside a coil of current-carrying wire
97. Electromagnet: It is a special coil of wire.
98. Electromagnetic spectrum : The range of all electromagnetic frequencies, in- cluding the following types (from lowest to highest frequency): radio waves, microwaves, infrared light, visible light, ultraviolet light, x-rays, and gamma rays
99. Electromagnetic wave : A type of wave, such as a light wave or radio wave, that does not require a medium to travel; a disturbance that transfers energy through a field
100. Electromagnetism: Magnetism that results from the flow of electric charge
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