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Each word is used as a key for searching quizzes on SPORCLE
Physics word repository by: http://www.kingsford.org/khsweb/staff/Bertoldi/physicsvoc/physicslist.htm
Chapter 1 Introduction to Science
Chapter 1 Introduction to Science
Accuracy A description of how close a measurement is to the true value of the quantity measured
Name the numbers rounded to the given level of accuracy.
Created by Manticore in Science
Critical thinking The ability and willingness to assess claims critically and make judgments on the basis of objective and supported reasons.
Length The measure of the straight-line distance between two points
Mass A measure of the amount of matter in an object
Can you identify the more massive object in each pair?
Created by pgrossma in Miscellaneous
Lightest and Heaviest Element (A-Z)
Name the elements with the highest/lowest atomic mass for each letter of the alphabet.
Created by wiggytitch in Science
Particles and Molecules by Increasing Mass
Pick the particles and molecules in order of increasing mass.
Created by survivor in Science
Precision The exactness of a measurement
Name the units of measurement by precise definition.
Created by Fledermaus in Science
Science The knowledge obtained by observing natural events and conditions in order to discover facts and formulate laws or principles that can be verified or tested.
Scientific_Law A summary of many experimental results and observations; A law tells how things work.
Scientific Method A series of steps followed to solve problems including collecting data, formulating a hypothesis, testing the hypothesis and stating conclusions.
Scientific Notation A method of expressing a quantity as a number multiplied by 10 to the appropriate power.
Name the Scientific Notation Prefixes.
Created by weirdscience in Science
Name the following in standard or scientific notation.
Created by DUFRESNE in Just For Fun
Scientific Engineering Notation
Name the Scientific Engineering Notation.
Common Unit Prefixes (in scientific notation)
Name the Common Unit Prefixes.
Created by drblues08 in Science
Scientific Theory an explanation for some phenomenon that is based on observation, experimentation, and reasoning.
Significant Figure A prescribed decimal place that determines the amount of rounding off to be done based on the precision of the measurement.
Technology An application of scientific knowledge for practical purposes
Variable A factor that changes in an experiment in order to test a hypothesis.
Volume A measure of the size of a body or region in three-dimensional space
Weight a measure of the gravitational force exerted on an object
(10) Kinematics
(10) Kinematics
Motion objects change in position relative to a reference point
Displacement The change in position of an object
Speed the distance traveled by the time interval during which the motion occurred
Velocity The speed of an object in a particular direction
Acceleration The rate at which velocity changes over time; an objects accelerates if its speed, direction or both change
Static Friction The force that resists the initiation between two surfaces that are in contact and at rest
Kinetic Friction The force that opposes the movement of two surfaces that are in contact with each other and are sliding over each other
(11) Dinamics
(11) Dinamics
Inertia The tendency of an object to resist being moved or, if the object is moving, to resist a change in speed or direction until and outside force acts on the object.
Free Fall the motion of a body when only the force of gravity is acting on the body.
Terminal Velocity The constant velocity of a falling object when the force of air resistance is equal in magnitude and opposite in direction to the force of gravity
Projectile Motion the curved path that an object follows when thrown, launched, or otherwise projected near the surface of he earth; the motion of objects that are moving in two dimensions under the influence of gravity
Momentum A quantity defined as the product of the mass and the velocity of an object
(12) Work and energy
(12) Work and energy
Work The transfer of energy to a body by the application of a force that causes the body to move in the direction of the force
Power A quantity that measures the rate at which work is done or energy is transformed
Mechanical Advantage A quantity that measures how much a machine multiples a force by
Simple Machine One of six basic machine types of machines which are the basis for all other forms of machines
Compound Machines A machine made of more that one simple machine
Potential Energy The energy an object has because of position, shape or condition of the object
Kinetic Energy The energy of a moving object due to the objects motion
Mechanical Energy The amount of work an object can do because of the object’s kinetic and potential energy
Efficiency A quantity, usually expressed as a percentage that measures the ratio of useful work output to work input
(13) Thermodynamics
(13) Thermodynamics
Absolute Zero The temperature at which molecular energy is a minimum 0oK on the Kelvin scale or -273.16oC on the Celsius scale
Convection The movement of matter due to differences in density that are caused by temperature variations
Convection Current The vertical movement of air currents due to temperature variations
Heat the energy transferred between objects that are at different temperatures
Heat Engine A machine that transform heat into mechanical energy or work.
Radiation The energy that is transferred as electromagnetic waves, such as visible light and infrared waves
Refrigerant A material used to cool an area or object to a temperature that is lower than the temperature of the environment
Specific Heat The quantity of heat required to raise a unit of mass of homogeneous material 1oK or 1oC in a specific way given constant pressure and volume
Thermal Conduction The transfer of energy as heat through a material
Temperature is a measure of how hot (or cold) something is; specifically; a measure of average kinetic energy of the particles in an object
Thermometer an Instrument that measures and indicates temperature
(14) Waves
(14) Waves
Amplitude The maximum distance that particles of a wave’s medium vibrate from their rest position
Interference any interference in which waves combine so that the resulting wave is bigger than the original waves
Crest The highest point of a wave
Destructive Interference Any interference in which waves combine so that the resulting wave is smaller than the largest wave of the original waves
Diffraction A change in the direction of a wave when the wave finds an obstacle or an edge, such as an opening
Doppler Effect An observed change in frequency of a wave when the source or observer is moving
Electromagnetic wave A wave that consists of oscillating electric and magnetic fields, which radiate outward at the speed of light
Frequency The number of cycles or vibrations per unit of time
Interference The combination of two or more waves of the same frequency that results in a single wave
Longitudinal Wave A wave in which the particles of the medium vibrate parallel to the direction the wave is traveling
Medium A physical environment in which phenomena occur
Mechanical wave A wave that requires a medium to travel
Period The time it takes a complete cycle or wave oscillation to occur
Reflection The bouncing back of a ray of light, sound or heat when a ray hits a surface and does not go through
Refraction The bending of a wavefront as the wavefront passes between two substances in which the speed of the wave differs
Standing Wave A pattern of vibration that simulates a wave that is still standing
Trough The lowest point on a wave
Transverse wave A wave in which the particles of the medium move perpendicular to the direction the wave is traveling
Wave a periodic disturbance in a solid, liquid or gas as energy is transmitted through a medium
Wavelength The distance from any point on a wave to an identical poiont on the next wave
(15) Optics
(15) Optics
DispersionIn optics the process of separating a wave (such as white light) of different frequencies into it individual components (the different colors)
Infrasoundslow vibrations of frequencies lower than 20 hz
Intensity the rate at which energy flows through a given area of space
Lens Lens a Transparent object that refracts light waves such as they converge or diverge to create an image
Light Ray A line in space that matches the direction of flow of radiant energy
Magnification A change in the size of an image compared with the size of the object
Photon a unit of light energy
PitchA measure of how high or low a sound is perceived to be depending on the frequency of the sound
Prism in optics , a system that consists of two or more plane surface of a transparent solid at an angle with each other
Resonance A phenomenon that occurs when two objects naturally vibrate at the same frequency
Radar- radio detection and ranging system that uses reflected radio waves to determine velocity and location of objects
Real Image - An image of an object formed by light rays that come together at a specific location
Sonar Sound navigation and ranging, a system that uses acoustic signals and echo returns to determine location of objects or to communicate
Sound Wave A longitudinal wave that is caused by vibrations and travels through a material medium
Total internal reflection The complete reflection that takes place within a substance when the angle of incidence of light striking the surface boundary is less than the critical angle
Ultrasound Any sound wave with frequencies higher than 20,000 HZ
Virtual Image -An image that forms at a location from which light rays appear to come but actually do not come
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