A The work and career of George Washington Carver
B The research conducted at Tuskegee Institute
C The progress of the science of synthetics.
D The use of plants as a source of nutrition
A footprint
B action
C scale
D stair
A combination of chemistry and metallurgy.
B research on chemistry of the soil.
C study of the relationship between sunlight and energy
D development of industrial products from farm products.
A taking responsibility
B earning money
C winning praise
D advertising
A came down
B refused
C put down
D went down
A To illustrate one of Carver’s many opportunities
B To portray the wealth of one of Carver’s competitors
C To contrast Edison’s contribution with that of Carver
D To describe Carver’s dependence on industrial support
A an office
B a job
C a person
D a status
A Carver’s work duty in Tuskegee.
B Carver’s job as a collaborator for the Department of Agriculture.
C Carver’s fame as an expert on plant deseases.
D Carver’s influence in the United States Department of Agriculture.
A Research on electricity
B Analysis of plant parts
C Invention of new products
D Research on plant diseases
A Preventive medicine
B Recycling of used materials
C Preservation of old buildings
D Prevention of cruelty of animals.
A To provide an explanation of atomic structure that will be easily understood.
B To show that the complex mathematical formulas used to explain atomic structure are inaccurate.
C To show the influence of atomic structure on the world at the observable level.
D To contrast the size of atoms with the size of objects at the observable level.
A The sum of its protons and electrons.
B The different in the mass of its neutrons and protons.
C The strength of the bond between its protons and neutrons
D The total number of protons it has.
A Neutral
B Unchanging
C Heavy
D Equal
A It will not have enough of a positive electrical charge to keep its electrons in orbit.
B Its nucleus will explode in a supernova.
C It will slowly give off neutrons until the atom becomes stable.
D Its extra neutrons will be converted into light energy.
A Held
B Contrasted
C Dependent
D Related
A Particles
B Electrical charges
C Electrons
D Atoms
A width
B weight
C energy
D volume
A When it has more electrons than its electron shells can hold
B When an electron drops back to its original electron shell
C When an electron is transferred from one atom to another
D When energy is added to the outermost electron shell
A Their energy levels are fixed and unchanging.
B They are kept in orbit by electromagnetic attraction
C They are elementary particles and cannot be broken down
D They are considerably smaller than neutrons or protons
A Their ability to break free of their atom during a collision
B Their electromagnetic attraction to protons
C The fact that they cannot be broken into smaller particles
D Their tendency to occupy the lowest possible electron shell
A break
B deteriorate
C collapse
D block
A Took a chance
B took control of
C took a loss
D lost control of
A experiencing
B comprehending
C tolerating
D adopting
A concerts
B public libraries
C gatherings
D prayer services
A sparing
B generation
C increase
D reformation
A in
B before
C a bit
D of doing
A surprisingly
B poverty
C worth
D every country
A driving
B a licence
C to be
D heavily fined
A she is
B the only
C who the
D remained
A fairly
B far
C absolutely
D distant
A universal
B general
C common
D full
A present
B familiar
C knowledgeable
D actual
A put
B get
C try
D take
A count
B depend
C rely
D be sure
A surmounted
B excelled
C beat
D exceeded
A differ
B vary
C solve
D distinguish
A unify
B join
C interfere
D accompany
A hardly ever
B rather than
C more and more
D much as
A being left alone
B leaving alone
C leave alone
D be left alone
A yet is easily overlooked
B is easily overlooked
C it is easily overlooked
D that is easily overlooked
A Getting her down
B getting round her
C talking her on
D toning her down
A The most dishes
B Most of the dishes
C Few dishes
D Few of the dishes
A No, I don't like to pray
B I'm not sure
C No, they'll bill us later
D Yes, we should have paid
A surmounted
B excelled
C beat
D exceeded
A without fail
B out of this world
C out of hand
D beyond imagination
A Just kidding
B I wish I could afford it.
C Thanks, but it isn't new
D I don't wear it very often
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