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74 Cards in this Set
- Front
- Back
Which of the following defines a salt? A: Onr of the reactant products of an acid and base, B: One of the reactatn of a base and water, C: One of the reactant products of an acid and water, D: Reactant product of a phase transformation
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A: One of the reactant products of an acid and base
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Which of the following defines a salt?
a one of the reactant products of an acid an base, b: one of the reactatn products of a base and water, c: one of the reactatn products of an acid and water, d: reactatn product of a phase transformation |
A: one of the reactant products of an acid and base
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Atomic number for neutral (un-ionized) atoms as listed in the periodic table refers to: a: the number of neutrons in an atom, b: the number of protons in an atom, c: the number of electrons in an atom, d: both B and C
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Both B and C
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Which of the following is a phenomenon involvong the physical properities of a substance? A: Corrosion of irom, B: Burining of wood, C: rocket engine ignition, D: Melting of ice
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D Melting of ice
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Isotopes of a given element contain: A: more electrons than protons with equal number of protons, B: more protons than electrons whith equal number of neutrons, C: diffeing number of neutrons, D: unequal number of protons and electorns and equal number of neutrons
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C differing number of neutrons
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Newton's second law of motion states that the summation of forces acting on a body is equal to the product of mass and acceleration. Which of the following is a good example of the law's application?
A: Decreased friction between surfaces be means of lubrication, B: potential energy stored in a compressed spring, C: a rocket lifting off at Cape Canaveral with increasing speed, D: Using a claw hammer to pull a nail out with multiplied force |
C a rocket lifting off at Cape Canaveral
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Which of the following is most likely to contain the greatest thermal energy?
A: The Pacific Ocean with and average temp of 50 deg, B: A 1g sample of molten metal at 2000 deg F, C: A Bucket of water at 75 deg F, D: Lake Michigan at an average temp of 50 deg F |
A The pacific ocean with avg temp of 50 deg F
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A plastic rod is charged by means of rubbing it with a silk cloth. The charging actions involves:
A: transfer of electrons from one body to another B: Transfer of protons from one body to the other C: transfer of protons forn one body to another D: transfer of atoms from one body to the other |
A: Transfer of electrons forn one body to the other
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Two charged bodies are brought near to one another. The force each experiences is repulsive. The charge on each body is, therefore:
A: equal to opposite in polarity B: not necessarily equal and opposite in polarity C: equal with same polarity D: not necessarily equal with same polarity |
D: not necessarily equal with same polarity
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Which cellular component is responsibel for the regulation of exchanges of substances between a cell and its enviroment?
A: The endoplasmaic reticulum B: The Cell nucleus C: the cytoplasam D: the cell membrane |
D: the cell membrane
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Genetic information that needs to move out of the nucleus cannot leave by wat of the DNA, therefore, it is carried out by the?
A: tRNA B: mDNA C: tDNA d: mRNA |
D: mRNA
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A nucleotide consists of:
A:sugar, protein, and uracil B: sugar, phosphate group, and nitrogenous base c: starchm nitrogenous base and sugar D: protein, starch and a sugar |
B: sugar, phosphate group and nitrogenous base
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Humans have 46 chromosomes in their body cells. How many chromosomes are found in the zygote?
A:2 B: 10 C: 23 D: 46 |
D: 46
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The order of skin layers from the outside of the body proceeding inward is?
A: stratum corneum, layer of malpighi, dermis B: stratum corneum layer of malpighi, epidermis C: dermis, layer of malpighi, stratum corneum D: dermis, stratum corneum, layer of malpighi |
A: stratum corneum, layer of malpighi, dermis
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Darwins Original theory of natural selection asserts that
A: All organisims have descended with modificatation from a common ancestor B: random genetic drift plays a major role in speciation C: species characteristics are inherited by means of genes D: speciation is usually due to gradual accumulation of small genetic changes |
A: All organisims have descended with modifications from a common ancestor
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Human body tempature regulation via the skin involves
A: prespiration B: Transporation C: Perspiration D: Sensation |
C: Perspiration
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The following reaction describes photosynthesis: CO2 + H20= gluclose + oxygen. It is the means by which:
A: plants produce light energy B: Plants convert light energy into energy useful in internal processes C: plants directly consume light energy as food D: plants warm the atmosphere |
B: Plants convert light energy into energy useful in internal processes
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Photosynthesis is a:
A: reduction process where oxygen is reduces by a coenzyme B: reduction process where hydrogen is oxidized by a coenzyme C: reduction process where hydrogen is reduced by a coenzyme D:reduction process where oxygen is oxidized by a coenzyme |
C: reduction process where hydrogen is reduced by a coenzyme
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The lunar period is nearest in length to:
A: 24 hours B: 30 days C: 365 days D: 1 week |
B: 30 days
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A supernova normally occurs when:
A: a star first intiats fusion B: galaxies collode C: the end of a star's lifetime nears, with its nuclear fuel exhausted D: A wandering comet plunges into the stars interior |
C: the end of a star's lifetime nears, with its nuclear fuel exhausted
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The most important factor in Earth's seasonal pratterns is the:
A: distance from the sun to the Earth B: Earth's rotation period of 24 hours C: tilting of the Earth's axis D: moon and associated tides |
C: tilting of the Earth's axis
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Metomorphic rocks are:
A: derived from igneous rocks B: unrelated to igneous rocks C: a type of sedimentary rock D: a type of rock not found on this planet |
A: derived from igneous rocks
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Which of the following is considered to be evidence for plate tectonics?
A: Continental coastline "fit" B: Identical fossil evidence at fit locations C: Intense geological activity in mountanious regions D: All of the above |
D: All of the above
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Sea floor spreading is characterized as:
A: plate spreading with upwelling magma forming ridges B: plate collisions with associated with associated ridge formation C: plate spreading with no ridge formation D: plate collisions with no ridge formation |
A: plate spreading with upwelling magma forming ridges
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Ingenous rocks are formed by:
A: magma cooling in underground cells and pockets B: magma ejected aboveground as lava which cools C: Layers of sediment collecting and compacting at the bottom of lakes and seas D: both A and B |
D: both A and B
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In descening order of abundance, what is the composition of the Earth's atmosphere?
A: Oxygen, ntrogen, carbon dioxide, trace gases B: Nitrogen, oxygen, carbon dioxide, trace gases C: Nitrogen, carbon dioxide, oxygen, traces gases D: Carbon dioxide, oxygen, nitrogenm trace gases |
B: Nitrogen, oxygen, carbon dioxide, trace gases
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1. Which of the following steps in making a
cup of coffee involves a chemical change in matter? A. Whole-bean coffee is ground in a coffee grinder. B. A burner on a propane stove is lighted to heat water. C. Water in a kettle begins to boil. D. Boiling water is poured through a filter containing ground coffee. |
B. A burner on a propane stove is
lighted to heat water |
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Use the section of the periodic table
below to answer the question that follows. 6 12.01 C 7 14.01 N 8 16.00 O 14 28.1 Si 15 31.0 P 16 32.1 S 32 72.6 Ge 33 74.9 As 34 79.0 Se 50 118.7 Sn 51 121.8 Sb 52 127.6 Te 82 207.2 Pb 83 209.0 Bi 84 (210) Po Which of the elements in the section of the periodic table shown above are likely to have the most similar chemical properties? A. Si and Ge B. C and O C. Sb and Te D. N and S |
A. Si and Ge
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Which of the following liquids is the most
acidic and will have the lowest pH? A. milk B. household ammonia C. distilled water D. vinegar |
D. vinegar
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C14 is an isotope of C12. Both carbon
atoms have an atomic number of six. Which of the following is the main difference between these two types of carbon atom? A. The C14 atom has eight neutrons and the C12 atom has six neutrons. B. The C14 atom has fourteen electrons and the C12 atom has twelve electrons. C. The C14 atom has eight protons and the C12 atom has six protons. D. The C14 atom has fourteen neutrons and the C12 atom has twelve neutrons. |
A. The C14 atom has eight neutrons and
the C12 atom has six neutrons. |
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Use the table below to answer the question that follows.
Line Mass (amu) Charge Location 1 1 1836 negative surrounding nucleus 2 1 positive nucleus 3 1 1836 positive surrounding nucleus 4 1 neutral nucleus Which line in the table above accurately lists the mass, charge, and location of a proton? A. Line 1 B. Line 2 C. Line 3 D. Line 4 |
B. Line 2
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Which of the following is the best
example of the refraction of light waves? A. Markings on flowers that are invisible in normal light can be seen in ultraviolet light. B. Deep lakes appear to be blue or green in color. C. Sunlight striking a black box will make the box warmer than the same light striking a white box. D. Light passing through raindrops produces a rainbow. |
D. Light passing through raindrops
produces a rainbow. |
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Newton's third law of motion states that
for every action there is an equal and opposite reaction. Which of the following is the best example of the application of this law? A. More fuel is needed to drive a truck ten miles when it is loaded than when it is unloaded. B. An inflated balloon moves through the air when a jet of air leaves its neck as it deflates. C. Less force is needed to pull a sled over ice than is needed to pull it over sand. D. A passenger in a car continues moving forward when the car stops suddenly. |
B. An inflated balloon moves through
the air when a jet of air leaves its neck as it deflates |
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Which of the following examples best
demonstrates the difference between thermal energy and temperature? A. A cup of water at 50°C contains less thermal energy than a bathtub full of water at 10°C. B. The same amount of water loses heat faster if it is in a tall, narrow bottle than if it is in a short, wide bottle. C. A dark-colored object gets warmer in the sun than a light-colored object. D. A person feels cooler on a cold day when the wind is blowing. |
A. A cup of water at 50°C contains less
thermal energy than a bathtub full of water at 10°C. |
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The stems of a bunch of just-cut white
flowers are immersed in a container of water to which blue dye has been added. After 24 hours, 2 tablespoons of salt are added to the water. Twenty-four hours later the flowers will most likely appear: A. wilted and light blue. B. fresh and white. C. wilted and white. D. fresh and light blue. |
A. wilted and light blue.
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Which chamber of the heart labeled in the
diagram above is primarily responsible for pumping blood to most of the organs and tissues of the body? A. left atrium B. left ventricle C. right atrium D. right ventricle |
B. left ventricle
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Which of the following statements best
explains how carbon plays a central role in the functioning of biological systems? A. Carbon actively transports nutrients and wastes across cell membranes. B. Carbon insulates nerves because it has very low electrical conductivity. C. Carbon combines with a large number of other elements to form a variety of useful compounds. D. Carbon transports oxygen through the bloodstream to the cells of the body. |
C. Carbon combines with a large
number of other elements to form a variety of useful compounds. |
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Certain species of acacia trees have long
hollow thorns that house stinging ants. The ants feed on nectar produced by the tree and attack anything that touches the tree. The relationship between the ants and the acacias is an example of: A. mutualism. B. parasitism. C. commensalism. D. predation. |
A. mutualism.
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The energy pyramid is narrower at the top
than at the bottom because organisms at the higher levels: A. exploit a narrower range of environmental resources than the organisms at the lower levels. B. are larger and require less energy per unit of body mass than the organisms at the lower levels. C. have less energy available to them than organisms at the lower levels. D. are more efficient at producing energy from sunlight than the organisms at the lower levels. |
C. have less energy available to them
than organisms at the lower levels. |
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Which of the following environmental
factors is likely most important in determining the distribution of the plant species within the swamp-forest ecosystem described? A. carbon dioxide level B. soil moisture C. herbivores D. cloud cover |
B. soil moisture
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Some species of aphids can reproduce
asexually under certain conditions. Female aphids produce other female aphids without being fertilized by a male. This asexual reproduction may continue over many generations during the summer. In late summer or early fall, male aphids are produced and sexual reproduction resumes. Which of the following is most likely to be an advantage to a female aphid asexually reproducing during the summer? A. Competition for food increases in summer, and the aphid's offspring aid in defending resources. B. Unstable environmental conditions in summer make it difficult for a female aphid to travel in order to find mates. C. A female can replicate her genes very rapidly by producing large numbers of identical offspring when food is plentiful in summer. D. A female aphid passes down favorable mutations to her offspring in the summer when temperatures are high. |
C. A female can replicate her genes
very rapidly by producing large numbers of identical offspring when food is plentiful in summer. |
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In which of the following cases of cell
division is the amount of genetic material halved? A. A bacterium undergoes fission to produce two cells. B. Cells in the tail stump of a lizard divide and produce a new tail after the original tail is lost to a predator. C. A cell in the testes of a male sparrow divides and produces four sperm. D. An ovum in a female mouse divides shortly after being fertilized by a sperm from a male mouse. |
C. A cell in the testes of a male
sparrow divides and produces four sperm. |
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When a seed germinates, its roots will
grow down and its shoots will grow up, even if the seed is planted upside down. This downward growth of roots and upward growth of shoots is due to the plant's response to: A. gravity. B. light. C. temperature. D. moisture. |
A. gravity.
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The shape of the Milky Way galaxy is
best described as: A. a flat central disk with rotating spiral arms. B. a spherical cloud of uniformly distributed matter. C. a long, thin ribbon with ragged edges. D. an irregular cluster with multiple concentrations of matter. |
A. a flat central disk with rotating
spiral arms. |
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During the Loma Prieta Earthquake of
1989, homes located nearest to San Francisco Bay generally sustained worse damage than similar homes further from the bay. The severity of the damage sustained by homes nearest to the bay is most likely due to the: A. presence of active faults that roughly parallel the shoreline. B. intensity of secondary shaking near the shore from oscillating waves in the bay. C. existence of sediments and fill near the shoreline. D. rate at which earthquake waves accelerate as they pass through water. |
C. existence of sediments and fill near
the shoreline. |
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A scientist would use a barometer in
order to compare which of the following conditions between two localities? A. wind speed B. humidity C. temperature D. air pressure |
D. air pressure
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Summer days in parts of California are
occasionally interrupted by afternoon thunderstorms. Which of the following statements best describes the typical conditions that lead to these summer thunderstorms? A. High winds lift large quantities of dust into the air, providing particles around which water can condense into thunderheads. B. Fast-moving winds in the upper atmosphere mix warm and cold air, creating turbulence and causing powerful updrafts and downdrafts. C. A cold front moving through the area forces warm air up, causing condensation of water and the formation of thunderheads. D. Humid conditions in a fast-moving warm front increase the electrical conductivity of the air, promoting lightning discharge. |
C. A cold front moving through the
area forces warm air up, causing condensation of water and the formation of thunderheads. |
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Certain lakes in arid environments, such
as the Great Salt Lake in Utah and the Dead Sea in Israel, are extremely saline. Other lakes in similarly arid environments contain fresh, rather than salt, water. Which of the following is the most accurate explanation for the high salinity of saltwater lakes? A. Saltwater lakes are fed by underground hot springs that contain very high levels of dissolved mineral salts. B. Rivers that flow into saltwater lakes drain sparsely vegetated and easily eroded rock and soil that contain large quantities of mineral salts. C. Water does not drain out of saltwater lakes and is removed primarily by evaporation, which leaves salt behind. D. Saltwater lakes are deep and cold, and cold water is able to hold a greater quantity of salt in solution than warm water. |
C. Water does not drain out of
saltwater lakes and is removed primarily by evaporation, which leaves salt behind. |
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A researcher is preparing to study the
effects of logging on the streams and lakes of an area in the Pacific Northwest. Which of the following types of information would be a primary source of data to the researcher in preparing for this investigation? A. newspaper articles about logging methods and their potential for environmental damage B. reports by an environmental group detailing silting of a stream caused by logging in a forest in Maine C. topographic maps of the area showing logging roads and areas of clear-cutting D. U.S. Department of Interior's report on recreational use of the land in the area |
C. topographic maps of the area
showing logging roads and areas of clear-cutting |
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If the number 360 is written as a product of its prime factors in the
form a3b2c, what is the numerical value of a + b + c? A. 10 B. 16 C. 17 D. 22 |
A: 10
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Use the diagram below to answer the question that follows.
What is the sum of the shaded areas in the three circles above if each circle represents one unit? Circle with 8 pieces and 5 shaded Circle with 6 pieces and 1 shaded Circle with 7 pieces and 3 shaded A. 1 9/21 B. 1 15/42 C. 1 37/168 D. 1 205/336 |
C. 1 37/168
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Use the problem below to answer the question that follows.
For a bake sale, Marianne has baked p chocolate chip cookies and Jeffrey has baked q peanut butter cookies. They want to package their cookies separately so that each bag has the same number of cookies. How many cookies could they put in each bag? Which of the following methods could be used to find all the solutions to this problem? A. Find the divisors of p + q. B. Find the common factors of p and q. C. Find the prime factors of p • q. D. Find the common multiples of p and q. |
B. Find the common factors of p and q.
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What value does the 2 represent in the number 2.1 × 10–3?
A. 2/10,000 B. 2/1000 C. 2/100 D. 2/10 |
B. 2/1000
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In a town with a population of 4800 people, 8% of the population is
evenly distributed in grades 1–6. Approximately how many students are in grade 4? A. 55 B. 64 C. 77 D. 96 |
B: 64
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Use the numbers below to answer the question that follows.
212 206 246 238 231 216 224 To estimate the sum of the numbers given above, Riley first rounds each number to the nearest ten and then adds the rounded values. By how much will Riley's estimate differ from the actual sum? A. 3 B. 7 C. 33 D. 73 |
B. 7
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Which of the following illustrates the operation 1 1/2
÷ 1/4 ? A. Sean has 1 1/2 pounds of popcorn. He wants to divide it equally into 4 bags. How many pounds should he put into each bag? B. A trip to the beach is usually a 1 1/2 -hour drive. Repairs to the freeway have increased the travel time by 1/4 . How long will the trip take? C. Maria has 1 1/2 yards of rope. She wants to divide it into 1/4 -yard lengths. How many pieces of rope will she have? D. The perimeter of a rectangular field is 1 1/2 miles. The field is 1/4 mile wide. How long is the field? |
C. Maria has 1 1/2
yards of rope. She wants to divide it into 1/4 -yard lengths. How many pieces of rope will she have? |
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Pat is baking a cake. The recipe calls for of 2 1/4
cups of flour per 1/2 pound of butter. If Pat uses 3 cups of flour, how much butter should be used to keep the proportion of ingredients equal? A. 1/6 pound B. 1/4 pound C. 3/8 pound D. 2/3 pound |
D. 2/3
pound |
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Grapefruits in a supermarket display are stacked in the shape of a
pyramid. Each layer of the stack is square. The bottom layer is a square with 5 grapefruits on each side. The side of each successive layer is made shorter by one grapefruit. What is the total number of grapefruits that can be stacked? A. 15 B. 35 C. 54 D. 55 |
d 55
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A repair person charges a $30 fixed charge plus $45 per hour for
time spent working. What is the total bill for a job that requires n hours of work? A. ($30 + $45)n B. $15n + $30 C. $30n + $45 D. $45n + $30 |
D. $45n + $30
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Use the equation below to answer the question that follows.
3n + 2(n – 4) = n + 15 Which of the following equations could occur as a step in solving the equation above for n? A. 4n = 19 B. 4n = 7 C. 4n = 23 D. 6n = 7 |
C. 4n = 23
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Triangle ABC is isosceles. Angle B has a measure of 120°. What is
the measure of angle A? A. 30° B. 45° C. 60° D. 120° |
A. 30°
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The scale on a map is 1 inch = 15 miles. On the same map, the
distance between Belmont and Smithville is 13 inches. Which of the following is the best estimate of how long it will take to drive from Belmont to Smithville at an average speed of 60 miles per hour? A. 2 hours 8 minutes B. 2 hours 14 minutes C. 3 hours 15 minutes D. 4 hours 0 minutes |
C. 3 hours 15 minutes
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In some countries, area is measured in pings. If the area of a
rectangular piece of land that measures 22 feet × 27 feet is 33 pings, how many square feet is equal to one ping? A. 6 B. 18 C. 26.9 D. 40.5 |
B. 18
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The range of hourly wages for 15 employees of a small company
starts at $7.50 and ends at $21.40. If only one worker receives the median wage of $8.90, how many workers receive a higher hourly wage? A. 5 B. 6 C. 7 D. 8 |
C. 7
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Simplify the following expression?
6+2(x+4) |
2x-2
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If six cans of beans cose $1.50 what is the cost of eight cans of beans?
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$2.00
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Bonnies average score on three tests is 71. Her final two test scores are 64 and 87. What was her score on her final test.
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62
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A jar contains 20 balls. These balls are labeled 1 through 20. What is the probablilty that a ball chosen from the jar has a number on it that is divisible by 4?
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1/4
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Linda bought a jacket on sale at a 20% discount. If she played $54 for the jacket, what was the original price of the jacket.
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$72
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In the number 72104.58, what is the place value of the 2?
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thousands
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Mrs. Wall has $300,000. She wishes to give each of her six children an equal amout of money. What is the equation that would represent this problem.
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300,000/6
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Bob wants to bake some cupcakes. His recipe uses 2 2/3 cups of flour to produce 36 cupcakes. How many cups of flour should Bob use to bake 12 cupcakes?
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8/9
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Rickey drove from town A to town B in 3 hours. His return trip from town B to town A took 5 hours because he drove 15 miles per hour slower on the return trip. How fast did Ricky drive on the trip from town A to town B?
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37.5 MPH
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In a barn there were lambs and people. If we counted 30 heads and 104 legs in the barn, how many lambs and how many people.
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22 lambs and 8 people.
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