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Physical Science Content Vocabulary

Total questions: 157

Worksheet time: 1hrs 19mins

Name
Class
Date
1.
__________ is an organized set of investigation procedures used by scientists.
a)
Engineering
b)
Observation Techniques
c)
Scientific Method
d)
Science
2.
__________ is an educated guess or testable prediction.
a)
Theory
b)
Hypothesis
c)
Control
d)
Constant
3.
__________ is an organized procedure for testing hypothesis.
a)
Theory
b)
Investigation
c)
Experiment
d)
Constant
4.
__________ is the standard for comparison.
a)
Theory
b)
Control
c)
Experiment
d)
Constant
5.
__________ is the factor that doesn’t vary in experiment
a)
Control
b)
Investigation
c)
Experiment
d)
Constant
6.
___________ is the factor that is adjusted by the experimenter.
a)
Dependent Variable
b)
Independent Variable
c)
Control
d)
Constant
7.
___________ is the factor whose value depends on the x-axis variable.
a)
Dependent Variable
b)
Independent Variable
c)
Control
d)
Constant
8.
________ is an explanation based on experiments – most logical explanation.
a)
Scientific Method
b)
Scientific Law
c)
Scientific Theory
d)
Scientific Experiment
9.
________ is a rule of nature that sums up related observations to describe a pattern in nature.
a)
Scientific Method
b)
Scientific Law
c)
Scientific Theory
d)
Scientific Experiment
10.
___________ is a way of writing very large or very small numbers that use exponents.
a)
Scientific Method
b)
Scientific Notation
c)
Scientific Theory
d)
Scientific Shorthand
11.
_________ is the smallest unit of matter.
a)
Atom
b)
Molecule
c)
Compound
d)
Particle
12.
________ is anything that has mass and takes up space.
a)
Atoms
b)
Matter
c)
Gases
d)
Liquids
13.
_________ is a substance made up of atoms with the same identity.
a)
Element
b)
Electron
c)
Compound
d)
Particle
14.
_________ are atoms of two or more elements combined.
a)
Elements
b)
Compounds
c)
Particles
d)
Protons
15.
_____________ is a mixture in which different materials can be easily distinguished.
a)
Homogeneous Mixture
b)
Heterogeneous Mixture
c)
Solution
d)
Suspension
16.
_____________ is a mixture in which two or more substances are uniformly spread out.
a)
Homogeneous Mixture
b)
Heterogeneous Mixture
c)
Solution
d)
Suspension
17.
A _________ has particles that are packed closely together and usually arranged in a geometric pattern.
a)
Solid
b)
Liquid
c)
Gas
d)
Plasma
18.
A _________ has particles that can move and slide past each other; in close contact.
a)
Solid
b)
Liquid
c)
Gas
d)
Plasma
19.
A _________ has particles that have energy to evenly spread out in container.
a)
Solid
b)
Liquid
c)
Gas
d)
Plasma
20.
A _________ has charged particles that are widely separated.
a)
Solid
b)
Liquid
c)
Gas
d)
Plasma
21.
The way something looks, smells, feels, and tastes are all ________________.
a)
physical properties
b)
physical changes
c)
chemical properties
d)
chemical changes
22.
________ are characteristics of a substance that indicates whether it can undergo a certain property.
a)
physical properties
b)
physical changes
c)
chemical properties
d)
chemical changes
23.
A change in size, shape, or state of matter; substance DOES NOT change identity when it undergoes a ___________________.
a)
physical property
b)
physical change
c)
chemical property
d)
chemical change
24.
A change in one substance to another substance is a ___________________.
a)
physical property
b)
physical change
c)
chemical property
d)
chemical change
25.
______________ are substances that are about to react.
a)
Crude substances
b)
Reactants
c)
Elements
d)
Products
26.
______________ are the new substances produced.
a)
Crude substances
b)
Reactants
c)
Elements
d)
Products
27.
A ________________ uses chemical formulas and symbols to describe a chemical reaction and the product it produces.
a)
chemical formula
b)
chemical reaction
c)
chemical equation
d)
chemical problem
28.
________ are the numbers which represents the number of units of each substance in a reaction.
a)
Superscripts
b)
Subscripts
c)
Coefficients
d)
Variables
29.
________ are the numbers which represents the number of atoms in a molecule of a particular element.
a)
Superscripts
b)
Subscripts
c)
Coefficients
d)
Variables
30.
__________ is a substance made of the combined atoms of two or more elements.
a)
Compound
b)
Element
c)
Ion
d)
Molecule
31.
The _______________ tells what elements a compound contains and the exact number of the atoms of those elements.
a)
chemical equation
b)
chemical sentence
c)
chemical formula
d)
molecule formula
32.
__________ is a positive or negatively charged atom.
a)
Compound
b)
Element
c)
Ion
d)
Molecule
33.
A ______________ is a chemical bond that involves the sharing of electrons to form electron pairs between atoms.
a)
Ionic
b)
Metallic
c)
Covalent
d)
Catolent
34.
A ______________ is the complete transfer of valence electron(s) between atoms and is a type of chemical bond that generates two oppositely charged ions.
a)
Ionic
b)
Metallic
c)
Covalent
d)
Catolent
35.
A _____________ is a type of chemical bonding that arises from the electrostatic attractive force between conduction electrons (in the form of an electron cloud of delocalized electrons) and positively charged metal ions.
a)
Ionic
b)
Metallic
c)
Covalent
d)
Catolent
36.
The Periodic Table is arranged by _____________, which is the number of protons in the nucleus of each element.
a)
atomic mass
b)
oxidation number
c)
atomic number
d)
atomic symbol
37.
Each element is assigned a ____________, which is one or two letters.
a)
atomic mass
b)
oxidation number
c)
atomic number
d)
atomic symbol
38.
The periodic table is organized in rows and columns. The horizontal rows are called ________.
a)
rows
b)
columns
c)
periods
d)
groups
39.
The periodic table is organized in rows and columns. The vertical columns are called ________.
a)
rows
b)
columns
c)
periods
d)
groups
40.
The ____________ uses the element symbol and dots to represent the outer energy level electrons.
a)
Bohrs Model
b)
Electron Dot Diagram
c)
Electron Circle Diagram
d)
Einstein Model
41.
________ are located to the LEFT of the stair step on the periodic table and are good conductors of heat and electricity.
a)
Metalloids
b)
Metals
c)
Nonmetals
42.
________ are located to the RIGHT of the stair step on the periodic table and are usually gases or brittle solids at room temperature.
a)
Metalloids
b)
Metals
c)
Nonmetals
43.
________ are make up the stair step on the periodic table and are have both metallic and nonmetallic properties.
a)
Metalloids
b)
Metals
c)
Nonmetals
44.
_________ is the substance doing the dissolving.
a)
Solution
b)
Solute
c)
Solvent
45.
_________ is the substance being dissolved.
a)
Solution
b)
Solute
c)
Solvent
46.
_________ is a mixture that has the same composition, color, density, and taste throughout.
a)
Solution
b)
Solute
c)
Solvent
47.
________ is the maximum amount of solute that can be dissolved in a given amount of solvent at a given temperature.
a)
Solubility
b)
Concentration
c)
Dilute
48.
________ is the percent by volume of solute in solvent.
a)
Solubility
b)
Concentration
c)
Dilute
49.
________ is when a small amount of solute is in a solvent.
a)
Solubility
b)
Concentration
c)
Dilute
50.
A __________ solution contains all solute it can hold at a given temperature.
a)
saturated
b)
unsaturated
c)
supersaturated
51.
A __________ solution is able to dissolve more solute at a given temperature.
a)
saturated
b)
unsaturated
c)
supersaturated
52.
A __________ solution contains more solute and is unstable.
a)
saturated
b)
unsaturated
c)
supersaturated
53.
___________ is energy in the form of motion.
a)
Potential energy
b)
Active energy
c)
Kinetic energy
d)
Definitive energy
54.
___________ is energy that is stored.
a)
Potential energy
b)
Reserved energy
c)
Kinetic energy
d)
Definitive energy
55.
___________________ is energy that is stored by something that can stretch or compress, such as a rubber band or spring
a)
Chemical Potential Energy
b)
Elastic Potential Energy
c)
Gravitational Potential Energy
d)
Spring Potential Energy
56.
___________________ is energy that is stored in chemical bonds.
a)
Chemical Potential Energy
b)
Bonds Potential Energy
c)
Gravitational Potential Energy
d)
Spring Potential Energy
57.
Anything that can fall has stored __________________________.
a)
Chemical Potential Energy
b)
Ground Potential Energy
c)
Gravitational Potential Energy
d)
Fall Potential Energy
58.
_____________ is the total amount of kinetic energy and potential energy in a system.
a)
Electrical Energy
b)
Mechanical Energy
c)
Chemical Energy
d)
Solar Energy
59.
_________________ states that energy may change form, but it cannot be created or destroyed under ordinary conditions.
a)
The Law of Conservation of Mass
b)
The Law of Conservation of Matter
c)
The Law of Conservation of Energy
d)
The Law of Conservation of Kinetic Energy
60.
___________ is transfer of energy that occurs when a force makes an object move.
a)
Transition
b)
Force
c)
Work
d)
Power
61.
___________ is the rate at which work is done.
a)
Transition
b)
Force
c)
Work
d)
Power
62.
___________ is a bar that is free to pivot around a fixed point.
a)
Lever
b)
Wheel & Axel
c)
Inclined Plane
d)
Wedge
e)
Pulley
63.
___________ is a grooved wheel with a rope, chain, or cable running along the groove.
a)
Pulley
b)
Wheel & Axel
c)
Lever
d)
Inclined Plane
e)
Wedge
64.
___________ consists of an axle attached to the center of a larger wheel.
a)
Wheel & Axel
b)
Lever
c)
Inclined Plane
d)
Wedge
e)
Pulley
65.
___________ is a sloping surface, such as a a ramp that does the work.
a)
Inclined Plane
b)
Wheel & Axel
c)
Lever
d)
Wedge
e)
Pulley
66.
___________ is an inclined plane wrapped in a spiral around a cylindrical post.
a)
Screw
b)
Wheel & Axel
c)
Lever
d)
Inclined Plane
e)
Wedge
67.
___________ is the ratio of the output force to the input force.
a)
Efficiency
b)
Mechanical advantage
c)
Efficiency advantage
d)
Mechanical
68.
___________ is the measure of how much work put into a machine is changed into useful output work by the machine.
a)
Efficiency
b)
Mechanical advantage
c)
Efficiency advantage
d)
Mechanical
69.
_________ is a measure of the average value of the kinetic energy of the molecules in random motion.
a)
Thermal Energy
b)
Thermal Expansion
c)
Heat
d)
Temperature
e)
Specific Heat
70.
Almost all substances EXPAND when they are heated and contract when they are cooled, with the exception of water.
a)
Thermal Energy
b)
Thermal Expansion
c)
Heat
d)
Temperature
e)
Specific Heat
71.
___________ is the sum of the kinetic and potential energy of all the particles in an object.
a)
Thermal Energy
b)
Thermal Expansion
c)
Heat
d)
Temperature
e)
Specific Heat
72.
___________ is when thermal energy that flows from something at higher temperature to something at a lower temperature.
a)
Thermal Energy
b)
Thermal Expansion
c)
Heat
d)
Temperature
e)
Specific Heat
73.
___________ is the amount of heat needed to raise the temperature of 1 kg of some material by 1℃.
a)
Thermal Energy
b)
Thermal Expansion
c)
Heat
d)
Temperature
e)
Specific Heat
74.
____________ is the transfer of heat from a warmer object to a cooler object through direct contact.
a)
Conduction
b)
Convection
c)
Radiation
d)
Raduction
75.
____________ is the transfer of heat through the movement of a fluid (such as air or water).
a)
Conduction
b)
Convection
c)
Radiation
d)
Raduction
76.
____________ is the transfer of heat through electromagnetic rays.
a)
Conduction
b)
Convection
c)
Radiation
d)
Raduction
77.
___________ is a material in which heat and/or electricity flow slowly.
a)
Insulator
b)
Conductor
c)
Convector
d)
Radiator
78.
_________ are the most common type of heating using a furnace to heat air and then a fan blows air through the ducts to rooms.
a)
Radiator Systems
b)
Forced-Air Systems
c)
Active Solar Heating
d)
Passive Solar Heating
e)
Electric Heating Systems
79.
_________ are closed metal container that contains hot water or steam; the heat is transferred to the surrounding air by conduction; then the warm air moves through the room by convection.
a)
Radiator Systems
b)
Forced-Air Systems
c)
Active Solar Heating
d)
Passive Solar Heating
e)
Electric Heating Systems
80.
_________ are electrically heated coils placed in floors and in walls; heat the surrounding air by conduction.
a)
Radiator Systems
b)
Forced-Air Systems
c)
Active Solar Heating
d)
Passive Solar Heating
e)
Electric Heating Systems
81.
_________ is when radiant energy from the sun is transferred to the room through windows.
a)
Radiator Systems
b)
Forced-Air Systems
c)
Active Solar Heating
d)
Passive Solar Heating
e)
Electric Heating Systems
82.
_________ is systems that use solar collectors that absorb radiant energy from the Sun.
a)
Radiator Systems
b)
Forced-Air Systems
c)
Active Solar Heating
d)
Passive Solar Heating
e)
Electric Heating Systems
83.
___________ is the study of the relationship among thermal energy, heat, and work.
a)
Energy
b)
Machines
c)
Thermodynamics
d)
Thermal Energy
84.
___________ is the change of position.
a)
Motion
b)
Relative motion
c)
Distance
d)
Displacement
e)
Speed
85.
___________ is the distance an object travels per unit of time; rate of change of position.
a)
Motion
b)
Relative motion
c)
Distance
d)
Displacement
e)
Speed
86.
___________ is the distance and direction of an object’s change in position from starting point.
a)
Motion
b)
Relative motion
c)
Distance
d)
Displacement
e)
Speed
87.
___________ is how far an object has traveled.
a)
Motion
b)
Relative motion
c)
Distance
d)
Displacement
e)
Speed
88.
___________ is described in relation to a reference point.
a)
Motion
b)
Relative motion
c)
Distance
d)
Displacement
e)
Speed
89.
____________ includes speed of an object AND the direction of its motion.
a)
Speed
b)
Velocity
c)
Acceleration
d)
Power
90.
____________ is the rate of change of velocity.
a)
Speed
b)
Velocity
c)
Acceleration
d)
Power
91.
________ is a friction-like force that opposes motion of objects that move through the air–depends on the speed, size, and shape of object.
a)
Force
b)
Net force
c)
Friction
d)
Microwelds
e)
Air resistance
92.
________ is a friction-like force that opposes motion of objects that move through the air–depends on the speed, size, and shape of object.
a)
Force
b)
Net force
c)
Friction
d)
Microwelds
e)
Air resistance
93.
________ are microscopic bumps on surfaces.
a)
Force
b)
Net force
c)
Friction
d)
Microwelds
e)
Air resistance
94.
________ is the force that opposes the sliding motion of two touching surfaces.
a)
Force
b)
Net force
c)
Friction
d)
Microwelds
e)
Air resistance
95.
________ is when two or more forces act on an object at the same time.
a)
Force
b)
Net force
c)
Friction
d)
Microwelds
e)
Air resistance
96.
________ is a push or pull applied to an object.
a)
Force
b)
Net force
c)
Friction
d)
Microwelds
e)
Air resistance
97.
___________ states that for every action (or force), there is an equal and opposite reaction (or force).
a)
Newton's First Law
b)
Newton's Second Law
c)
Newton's Third Law
d)
Momentum
98.
___________ is the property of a moving object resulting from its mass and velocity.
a)
Inertia
b)
Speed
c)
Acceleration
d)
Momentum
99.
___________ is the tendency of an object to resist change in its motion.
a)
Inertia
b)
Friction
c)
Air-Resistance
d)
Momentum
100.
___________ states an object in motion stays in motion, or an object at rest stays at rest until an unbalanced net force acts upon it.
a)
Newton's First Law
b)
Newton's Second Law
c)
Newton's Third Law
d)
Momentum
101.
___________ states a net force acting on an object causes the object to accelerate in the direction of the force.
a)
Newton's First Law
b)
Newton's Second Law
c)
Newton's Third Law
d)
Momentum
102.
____________ is the force acting toward the center of a curved or circular path.
a)
Gravity
b)
Weight
c)
Projectile
d)
Centripetal Acceleration
e)
Centripetal Force
103.
____________ is the acceleration toward the center of a curved or circular path.
a)
Gravity
b)
Weight
c)
Projectile
d)
Centripetal Acceleration
e)
Centripetal Force
104.
____________ is when any two masses that exert an attractive force on each other.
a)
Gravity
b)
Weight
c)
Projectile
d)
Centripetal Acceleration
e)
Centripetal Force
105.
____________ is the gravitational force exerted on an object.
a)
Gravity
b)
Weight
c)
Projectile
d)
Centripetal Acceleration
e)
Centripetal Force
106.
____________ is anything that is thrown or shot through the air.
a)
Gravity
b)
Weight
c)
Projectile
d)
Centripetal Acceleration
e)
Centripetal Force
107.
_________ states that electric charges can be transferred from one object to another, but it cannot be created or destroyed.
a)
Law of Conservation of Charge
b)
Law of Conservation of Matter
c)
Law of Conservation of Energy
d)
Law of Conservation of Mass
108.
_______________________ are the area around an electric charge that experiences the force exerted by the electric charge.
a)
Electricity
b)
Electric Fields
c)
Conductors
d)
Static Electricity
109.
_______________________ are materials in which electrons move easily through.
a)
Electricity
b)
Electric Fields
c)
Conductors
d)
Static Electricity
110.
_______________________ is the accumulation of excess electric charges on an object.
a)
Electricity
b)
Electric Fields
c)
Conductors
d)
Static Electricity
111.
____________ is the rearrangement of electrons on a neutral object caused by nearby charged objects.
a)
Electric Discharge
b)
Static Electricity
c)
Charging by Contact
d)
Charging by Induction
112.
____________ is the quick discharge of electrons.
a)
Electric Discharge
b)
Static Electricity
c)
Charging by Contact
d)
Charging by Induction
113.
____________ is the process of transferring charge by touching or rubbing.
a)
Electric Discharge
b)
Static Electricity
c)
Charging by Contact
d)
Charging by Induction
114.
_____________ is the tendency for a material to oppose the flow of electrons, changing electrical energy into thermal and light energy.
a)
Electric Current
b)
Circuit
c)
Voltage Difference
d)
Resistance
115.
_____________ is the force that causes electric charges to flow.
a)
Electric Current
b)
Circuit
c)
Voltage Difference
d)
Resistance
116.
_____________ is the net movement of electric charges in a single direction through a wire or conductor.
a)
Electric Current
b)
Circuit
c)
Voltage Difference
d)
Resistance
117.
_____________ is a closed path that electric current follows.
a)
Electric Current
b)
Circuit
c)
Voltage Difference
d)
Resistance
118.
A ________________ contains two connected plates made of different metals in conducting solution.
a)
Dry-Cell Battery
b)
Wet-Cell Battery
c)
Ohm's Law
119.
A ________________ is a chemical reactions occur in a moist paste causing transfer of electrons.
a)
Dry-Cell Battery
b)
Wet-Cell Battery
c)
Ohm's Law
120.
____________ is the current in a circuit equals voltage difference divided by resistance
a)
Dry-Cell Battery
b)
Wet-Cell Battery
c)
Ohm's Law
d)
Voltage Difference
121.
____________ is a circuit composed of both types of circuits.
a)
Series Circuit
b)
Parallel Circuit
c)
Complex Circuit
d)
Simple Circuit
122.
______________ is a circuit that contains two or more branches for current to flow through.
a)
Series Circuit
b)
Parallel Circuit
c)
Complex Circuit
d)
Simple Circuit
123.
______________ is a circuit that the current has only one loop to flow through.
a)
Series Circuit
b)
Parallel Circuit
c)
Complex Circuit
d)
Simple Circuit
124.
______________ is a small piece of metal that bends when it gets hot, opening the circuit and stopping the current flow.
a)
Circuit breakers
b)
Electronic fuse
c)
Circuit fuse
d)
Electronic breakers
125.
______________ is a small piece of metal that melts if current becomes too high, opening the circuit.
a)
Circuit breakers
b)
Electronic fuse
c)
Circuit fuse
d)
Electronic breakers
126.
________________ refers to the properties and interactions of magnets in which there is a force of attraction or repulsion between like or unlike poles.
a)
Magnetic Field
b)
Magnetic Domain
c)
Permanent Magnets
d)
Magnetism
127.
________________ is the group of atoms with aligned magnetic poles (too small to be seen with eye).
a)
Magnetic Field
b)
Magnetic Domain
c)
Permanent Magnets
d)
Magnetism
128.
________________ are made by placing a magnetic material in a strong magnetic field, forcing magnetic domains to line up.
a)
Magnetic Field
b)
Magnetic Domain
c)
Permanent Magnets
d)
Magnetism
129.
The ________________ exerts a force on other magnets and objects made of magnetic materials (strongest closest to magnet).
a)
Magnetic Field
b)
Magnetic Domain
c)
Permanent Magnets
d)
Magnetism
130.
____________ is current that flows in only one direction through a wire.
a)
Electromagnets
b)
Electric Motors
c)
Direct Current (DC)
d)
Alternating Current (AC)
131.
____________ are a device that changes electrical energy into mechanical energy.
a)
Electromagnets
b)
Electric Motors
c)
Direct Current (DC)
d)
Alternating Current (AC)
132.
____________ reverses the direction of the current flow in regular patterns.
a)
Electromagnets
b)
Electric Motors
c)
Direct Current (DC)
d)
Alternating Current (AC)
133.
____________ is a temporary magnet made by wrapping a wire coil carrying a current around an iron core.
a)
Electromagnets
b)
Electric Motors
c)
Direct Current (DC)
d)
Alternating Current (AC)
134.
___________ are waves in which matter moves back and forth at right angles to direction that the wave travels.
a)
Longitudinal waves
b)
Transverse waves
c)
Latitude waves
d)
Vertical waves
135.
___________ are waves in which matter in medium moves in the same direction that the wave travels.
a)
Longitudinal waves
b)
Transverse waves
c)
Latitude waves
d)
Vertical waves
136.
_____________ are waves that can only travel through a medium.
a)
Electromagnetic Waves
b)
Light Waves
c)
Mechanical Waves
d)
Ocean Waves
137.
The ________ is matter through which a wave travels.
a)
fluid
b)
medium
c)
gas
d)
liquid
138.
The highest point of a transverse wave is called the _______.
a)
crest
b)
trough
c)
amplitude
d)
wave length
139.
The lowest point of a transverse wave is called the _______.
a)
crest
b)
trough
c)
amplitude
d)
wave length
140.
The distance between one point on a wave and a similar point nearest to it is called the _______.
a)
crest
b)
trough
c)
amplitude
d)
wave length
141.
_________ is a measure of energy in a wave.
a)
crest
b)
trough
c)
amplitude
d)
wave length
142.
Longitudinal waves have dense regions (coils close together) called ____________________.
a)
Rarefactions
b)
Crests
c)
Compressions
d)
Troughs
143.
Longitudinal waves have less dense regions called _________.
a)
Rarefactions
b)
Crests
c)
Compressions
d)
Troughs
144.
__________ is the bending of a wave caused by a change in its speed as it moves from one medium to another.
a)
Refraction
b)
Reflection
c)
Diffraction
d)
Interference
145.
__________ occurs when a wave strikes an object and bounces off of it.
a)
Refraction
b)
Reflection
c)
Diffraction
d)
Interference
146.
__________ is when an object causes a wave to change direction and bend toward it.
a)
Refraction
b)
Reflection
c)
Diffraction
d)
Interference
147.
__________ is when two or more waves overlap and combine to form a new wave.
a)
Refraction
b)
Reflection
c)
Diffraction
d)
Interference
148.
_____________ is when a radio converts electromagnetic waves into sound waves.
a)
Radio transmission
b)
Television
c)
Cathode Ray Tube
d)
Telephone
e)
Global Positioning System
149.
_____________ is a system of satellites, ground stations, and receivers that receive high frequency microwave signals, amplify it and return it to Earth.
a)
Radio transmission
b)
Television
c)
Cathode Ray Tube
d)
Telephone
e)
Global Positioning System
150.
_____________ is an electrical signal creates radio waves that are transmitted to and from a microwave tower.
a)
Radio transmission
b)
Television
c)
Cathode Ray Tube
d)
Telephone
e)
Global Positioning System
151.
_____________ produce images you can see on the TV surface is covered by spots that glow red, green, or blue when struck by electron beams.
a)
Radio transmission
b)
Television
c)
Cathode Ray Tubes
d)
Telephone
e)
Global Positioning System
152.
With _____________ audio is sent by FM radio waves and video is sent by AM radio waves.
a)
Radio transmission
b)
Television
c)
Cathode Ray Tubes
d)
Telephone
e)
Global Positioning System
153.
Electromagnetic waves are ____________, which means they oscillate perpendicular to the direction of motion.
a)
Longitudinal Waves
b)
Transverse Waves
c)
Latitudinal Waves
d)
Compressional Waves
154.
The _________ of electromagnetic waves is the number of vibrations per second and is measured in hertz.
a)
amplitude
b)
wave length
c)
frequency
d)
power
155.
_________ are the lowest energy electromagnetic waves; longer than 0.3 meters.
a)
Radio Waves
b)
Microwaves
c)
Infrared Waves
d)
Visible Light
e)
Ultraviolet Waves
156.
_________ are higher energy and higher frequency than UV rays; can pass through skin and flesh, but not through bone.
a)
X-rays
b)
Radio Waves
c)
Microwaves
d)
Infrared Waves
e)
Visible Light
157.
_________ are the highest energy, highest frequency that can travel through matter; harmful to humans and other living organisms.
a)
Gamma Rays
b)
Radio Waves
c)
Microwaves
d)
Infrared Waves
e)
Visible Light