Study sets, textbooks, questions
Upgrade to remove ads
Physical World: Final
Terms in this set (115)
An example of an extensive property of a substance is ?
A science is a study concerned with the ? of facts/data?
Observation and Classification
1 um is equal to ?
The derived unit for force in the SI system is the ?
An example of an intensive property of a substance is ?
A scientific theory is a ?
One pound in the English system is equal to approximately ? grams?
The density of ice is ? to the density of water?
Using the data to create a graph showing one variable as a function of another variable is done in which step of the scientific method?
Analysis of data
12 inches is equal to ? CM?
The change in velocity divided by the time interval during which the change occurred is known as ?
Motion which involves a horizontal component of constant velocity and a vertical component of accelerated motion is known as a ?
60 seconds is equal to one ?
The motion in which an object rotates around a fixed point in space is known as ? motion?
The resistance of an object to a change in motion is known as ?
Heat is measured in?
The transfer of heat that takes place by the movement of a fluid is?
The phase change from a solid to a gas is called ?
45 degrees Celsius is what in Fahrenheit?
Solar Cells, mirrors, wind, and biomass are all sources of energy ultimately powered by the ?
The mechanical energy of moving objects is known as ?
Radiation is the only method of heat transfer that can take place in a ?
55 degrees Fahrenheit is what in Celsius?
The three major sources of energy in the united states in 2009 were ?
Petroleum, Coal, & Natural Gas
The phase change from gas to a solid is called ?
When a solid undergoes a phase change to a liquid it ? heat and the temperature ?
Absorbs, Stays the same
A screw driver is an example of a simple machine called the ?
Wheel and axle
A screw is an example of a simple machine called the ?
A wedge for splitting logs would be an example of a simple machine called the ?
Power is ?
The unit of power is the SI system is the ?
In thermodynamics, an increase in the degree of randomness is called an increase in?
The one factor that decreases the efficiency of many simple machines is ?
The ideal mechanical advantage of a set of pulleys can be determined by counting ? if the effort and the resistance are moving in opposite directions?
The number of ropes minus one supporting the resistance
A nutcracker is an example of a simple machine called the ?
The law of Thermodynamics that defines temperature is the ? Law?
The law of thermodynamics that states that heat cannot be converted into useful work with 100% efficiency is the ? Law?
The measure of the tendency for heat to flow is called ?
Using a screwdriver to drive a screw into a piece of wood is an example of a simple machine called ?
Wheel and axle
Fossil Fuels provide ? percent of the total energy consumed in the united states today?
A fluid is a ?
Liquid and Gas
Which form of heat transfer will warm your body without warming the air in the room surrounding your body?
A term in physics and chemistry which means the same as melting is ?
The law of thermodynamics which explains why heat always flows from a warmer object to a cooler object is the ?
When a traveling wave meets a phase boundary, passes through the phase boundary, and continues on in the second phase, we all this phenomenon ?
A ? is an imaginary line perpendicular to the surface at a phase boundary from which angles are measured for reflection and refraction?
An ? is a reflected sound that reaches the ear in a time interval greater than 0.1 second after the original sound is perceived?
The time needed for a wave to complete one cycle is known as the ?
An example of a longitudinal wave is ?
The change in the perceived pitch of a sound from the frequency of the emitted sound due to a relative velocity8 between the source and the receiver is known as the ?
Multiplying volts times amps gives units of ?
An example of an electrical conductor is ?
How many 75-Watt light bulbs can be connected to a 120-volt circuit with a 15-A circuit breaker?
The chemical symbol, Pb, is for the element?
An example of an electrical insulator is ?
The creation of a current in a loop of wire by the movement of or change in a magnetic field surrounding the wire is called ?
Transformers only work with ?
Alternating Current (AC)
The magnetic field of a bar magnet is strongest near the ? of thr magnet ?
A step-up transformer steps up the ?
Magnetism is produced by ? charges.
Light whose waves have all their electric oscillations in the same direction is said to be ?
The chemical symbol for gold is ?
The chemical symbol for potassium is ?
Light travels in little bundles of energy called ?
The chemical symbol for nickel is ?
The event when light encounters a boundary between two phases and returns back through the phase through which it came is known as ?
Red light is ? energetic than blue light.
An object is perceived to be a certain color when that object ? that color of light.
Two different isotopes of the same element have different numbers of ?
All atoms have the same element have the same ?
Atomic mass number
Light is also known as ? radiation
The elements in the periodic table which form the boundary between metals and nonmetals and have some characteristics of metals and some characteristics on nonmetals are known as the ? elements.
In a three-conductor wall outlet in residential buildings, which of the following functions in NOT a function of one of the three conductors?
Never carries current
Which of the following regions of the electromagnetic spectrum has shorter wavelengths than visible light?
Sally wants a string of light bulbs on which all the bulbs will flash If only one flasher bulb is inserted into the circuit. She should buy a string of lights on which the bulbs are connected in ?
The "yoke" of a transformer must be made of a ? ferromagnetic material?
The correct formula for sodium sulfide is ?
The correct name for the CCl4 is ?
The correct formula for tin(IV) sulfide would be ?
The correct name for P2O10 is ?
The correct formula for silver oxide is ?
Elements in the first two columns and the last six columns of the periodic table are called the ?
Compounds formed when atoms share pairs of electrons are called ?
Compounds formed when electrons are lost by one atom and gained by another atom are called ? compounds?
Atomic weight is ?
A weighted average of the masses of the isotopes of an element based on natural abundance of those isotopes
The name of our galaxy is the ?
Microwave radiation from space, measurements of the expansion of the universe, the age of the oldest stars in the milky way, and ratios of radioactive decay products present on earth all indicate the universe is approximately ? years old?
The brightest stars of all the stars observed from earth by the unaided eye are given a rating of ? stars.
Distances in outer space are measured in units of ?
The product collapse of a massive star with a core mass three or more times the mass of our sun is a ?
Bismuth as an ion normally has a ? charge?
Light from the sun reaches earth in ? minutes
A rapidly rotating neutron star with a strong magnetic field is a ?
The lifetime of a star depends on its ?
The final stage in the life-sequence of our sun is projected by astronomers to be a ?
Cold lump of carbon
The star in our galaxy that is closest distance to our sun is ?
Because sun spots affect the earths ?, northern lights, aurora borealis, are affected as well.
The faintest stars of all the stars observed from earth by the unaided eye are given a rating of ? stars
The mode of movement of the earth in which the earth travels around the sun is called ?
Which planet is not a terrestrial planet?
On Venus, the sun rises in the west and sets in the east. This is because ?
Venus rotates in the direction opposite to that of earth
The substance most likely found on Jupiter is ?
What is the largest planet is our solar system?
The mode of movement of the earth in which the earth turns around on its axis Is called ?
A shooting star is a ?
The mode of movement of the earth in which the axis of the earth rotates around a pivot point is called ?
Give the astronomical term for the position of the sun marking the "beginning" of the Spring on earth as we perceive it in the northern hemisphere.
Prime meridian is zero degrees longitude. This is an imaginary line running from the north pole to the south pole and passing through ?
Time along the prime meridian is called ?
Coordinated Universal Time
High tide which occurs when that position on earths surface is directly opposite of the side of earths surface facing the moon is due to the ? force acting on the water in the ocean as the earth and the moon rotate around their center of mass.
The element gold, is a member of the ? elements
Between mars and Jupiter is a ring of a large number of small, rocky, formations circling the sun. This ring formation is known as the ?
Elements with atomic numbers greater than 92 are ?
Synthesized in a lab & Transuranium elements
Earth is the ? planet from the sun?
Halley is the name of a ?
Sets with similar terms
Evan's S101A Test
PHYS 144 - Introduction to Astronomy: TEST 1
Astronomy Exam 1
Other sets by this creator
MGT 498 Chapter 9
MGT 498 Chapter 7
Business Law Final Exam Chapter 35
Business Law Final Exam Chapter 34