Archives: Quiz

If 900 Joules of heat is added to a system, while the system does 700 Joules, by how much does the internal energy increase? A) “1600 J B) “200 J C) 900 J D) 200 J E) 1600 J The […]

Which one of the following is a physical change? A) Rusting of iron B) Fermenting of grape juice C) Souring of milk D) Sharpening a pencil Energy provided directly from Earth’s interior is called A) groundwater energy. B) geothermal energy. […]

In projectile motion, which of the following is notconstant? A) Vertical velocity B) Horizontal velocity C) Acceleration D) None of these The preferred name of NiS is A) nickel(III) sulfide. B) nickel(II) sulfide. C) nickel(I) sulfide. D) nickel sulfide. Answer: […]

A hurricane, in other parts of the world, is also known as A) a cyclone. B) a willy-willy. C) a typhoon. D) all of the above. Which of the following radiations is absorbed in the greenhouse effect? A) Ultraviolet only […]

Earth’s axis completes a precession every A) 25,800 years. B) 30 days. C) day. D) 365 days. The lowest energy level of a hydrogen atom (n= 1) is called A) the ground state. B) the potential state. C) the ionization […]

The Columbia Plateau in the northwestern United States is an example of a(n) A) flood basalt. B) batholith. C) monolith. D) sill. Stellar paralaxproves that Earth is A) rotating. B) revolving. C) precessing. D) an oblate spheroid. Answer: B Which […]

A large calorie (Cal) is the amount of heat needed to change the temperature of one ______________ of water by one Celsius degree. A) dekagram B) centigram C) gram D) kilogram According to Planck’s hypothesis, the energy of an oscillator […]

Hawaii’s weather is chiefly affected by what type of air mass? A) mA B) mP C) cP D) mT What was the nationality of the first persons who we know speculated about “elements”? A) Chinese B) Egyptian C) Greek D) […]

What is the preferred name for Mg3N2? A) Magnesium trinitride B) Magnesium nitride C) Dimagnesium trinitride D) Manganese nitrate The apparent path that the Sun traces annually along the celestial sphere is called the A) ecliptic. B) heliosphere. C) solstice […]

What are the standard time and date (time of day and day of month) in Kyoto, Japan (135E, 35N), when it is 11 A.M. EST on March 10 in Washington, D.C. (39N, 77W)? A constant volume and mass of helium […]

A student weighing 200 N climbed a flight of stairs 9.0 m high in 4 s. How much work was done by the student? A) 1800 J B) 800 J C) 1800 W D) 800 W E) 50 W Radioactive […]

The most important force between a proton and a neutron is the ______________ force. A) strong nuclear B) quark C) electromagnetic D) gravitational The Gregorian calendar assumed that there were ______________ days in a year. A) 365 B) 365 C) […]

A mass is accelerated when ______________ acts upon the mass. A) a balanced force B) any force C) no force D) an unbalanced force E) none of these An object that is moving with an acceleration different from zero will […]

Who discovered the electron in 1897? A) Dalton B) Bohr C) Rutherford D) Thomson A measurement of 0.00254 g is the same as A) 0.254 mg. B) 25.4 mg. C) 254 mg. D) 2.54 mg. E) none of these. Answer: […]

A hydrometer is used to measure A) the time for an object to sink. B) water (hydro). C) the volume of a quantity of water. D) liquid density. How many protons are there in an atom of ? A) 92 […]

A Group 7A element would be most likely to form a covalent bond with elements of Group A) 2A. B) 1A. C) 8A. D) 6A. The ______________ angle added to the altitude angle equals 90. A) inclination B) declination C) […]

Ethene and ethane are A) isomers. B) the same compound. C) neither isomers nor the same compound. The Stock system of nomenclature uses A) Roman numerals. B) Greek prefixes. C) Arabic numerals. D) Egyptian hieroglyphics. Answer: A The time interval […]

A balanced chemical equation will have the same ______________ on each side. A) number of moles B) number of molecules C) mass of each compound D) number of atoms of each element A projectile’s vertical velocity component A) changes most […]

The Tertiary is a(n) A) epoch. B) era. C) eon. D) period. A chemical combination of two or more substances in variable proportions is called A) a mixture. B) a compound. C) an ion. D) a molecule. Answer: B C3H4is […]

The celestial prime meridian is an imaginary half-circle running from the north celestial pole to the south celestial pole and crossing perpendicular to the celestial equator at the point of the A) autumnal equinox. B) summer solstice. C) vernal equinox. […]

The “surface” of a black hole is known as the _______________. A) core B) corona C) photosphere D) event horizon Which of the Jovian planets has the most moons? A) Jupiter B) Saturn C) Uranus D) Neptune Answer: A The […]

The imaginary line encircling Earth at its surface, halfway between the north and south geographic poles, is called the A) meridian. B) equator. C) International Date Line. D) longitude. E) latitude. Which of the following is(are) believed to be material […]

A common scale for denoting a mineral’s hardness is the A) Ores scale. B) Mohs scale. C) Homs scale. D) Ohms scale. The chemical properties of chlorine and bromine are similar because both A) are nonmetals and they are close […]

An earthquake S wave travels through A) the inner core only. B) the mantle only. C) the outer core only. D) all of these. Thermonuclear warheads, or hydrogen bombs, are powerful mainly because of the A) fission process. B) fusion […]

If an object of mass 9 kg has a velocity of 7 m/s, what is its linear momentum? A) 63 kg-m/s B) 1.3 kg-m/s C) 0.78 kg-m/s D) 16 kg-m/s E) cannot be determined Which alcohol is used in rubbing […]

1-Chlorobutane and 2-chlorobutane are A) isomers. B) the same compound. C) neither isomers nor the same compound. The symbol for tungsten is A) W. B) Ti. C) Ag. D) Tb. Answer: A The separation of white light into its component […]

How many constitutional isomers that are dibromopropanes exist? A) 5 B) 4 C) 7 D) 3 E) 6 The rate at which an object’s velocity changes with time is called its A) instantaneous velocity. B) motion. C) speed. D) acceleration. […]

As comets approach and move around the Sun, the coma and the tail ______________ in size. A) decrease B) increase C) remain the same D) none of the above A volcano with a low, gently sloping profile is a A) […]

According to Newton’s second law, the force required to accelerate an object is equal to A) its acceleration divided by its mass. B) its mass times the acceleration. C) its mass divided by the velocity. D) its weight times the […]

A waxing phase of the Moon can be seen A) 10 days after a full moon. B) 10 days after a new moon. C) 10 days before a new moon. D) none of these When one travels east while passing […]

The Sun will finally become a A) brown dwarf. B) neutron star. C) black hole. D) white dwarf. Calculate the radius in nanometers of the orbit of a hydrogen atom’s electron with n= 5. A) 0.27 B) 2.7 C) 1.3 […]

Ion-dipole interactions are responsible for A) the dissolving of salt in water. B) ice being less dense than water. C) the ease of electrolysis of water. D) metallic bonding in steel. Which of the following planets can be in opposition? […]

A ______________ is an ultra-hot collection of electrically charged particles. A) gas B) liquid C) plasma D) solid The energy differences in some of the rotational energy levels of the water molecule allow A) X-rays to be produced. B) cooking […]

Which of the following terms is(are) used to describe a division of a stream’s load? A) Bed load only B) Suspended load only . C) Dissolved load only. D) All of the above The general geologic term for the downslope […]

Land and sea breezes result from A) the Coriolis force. B) convection cycles. C) low-pressure areas. D) high-pressure areas. Which one of the following is true for deceleration? A) The acceleration is in the direction opposite the motion. B) The […]

Which of the following classes of rock is most likely to contain fossils? A) Igneous B) Foliated C) Metamorphic D) Sedimentary The ______________ occurs on June 21. A) autumnal equinox B) winter solstice C) summer solstice D) vernal equinox Answer: […]

A normal lapse rate of 3.5 F/1000 ft is equivalent to A) 3.5 C/m. B) 4 C/1000 ft. C) 3.5 C/km. D) 6.5 C/1000 m. The physical characteristic that is used to distinguish intrusive igneous rocks from extrusive igneous rocks […]

The planet with the Great Dark Spot is A) Jupiter. B) Saturn. C) Uranus. D) Neptune. A normal lapse rate of 3.5 F/1000 ft is equivalent to A) 3.5 C/m. B) 1.9 C/1000 ft. C) 3.5 C/1000 ft. D) 6.5 […]

How much heat is required to melt 6.0 kg of ice at 0°C to water at 0°C? A) 480 kcal B) 0 kcal C) 3240 kcal D) 720 kcal Earth’s radius is about A) 3600 km. B) 5800 km. C) […]

One watt is equal to ______________ per second. A) one kilogram B) one newton C) one joule D) one meter The average adult radiates heat energy at the same rate as A) a 10-W light bulb. B) a 100-kW light […]

An ionic compound composed of a cation other than H+and an anion other than OH–is called a(n) A) salt. B) precipitate. C) conjugate base. D) electrolyte. When a net force on a moving object increases, the object will A) maintain […]

______________ is the major moon of Neptune. A) Triton B) Titan C) Ganymede D) Europa E) Callisto The oldest evidence of life on Earth dates back to about how many years ago? A) 65 million B) 3.8 million C) 3.5 […]

According to the Schrdinger equation, the probability of finding a hydrogen atom’s ground-state electron 0.053 nm from the proton is A) zero. B) high, but not 100%. C) low, but not zero. D) 100%. Except for hydrogen and helium, atoms […]

The speed of a comet in its orbit around the Sun is ______________ when its distance from the Sun is greatest (aphelion). A) zero B) reversed C) greatest D) least Sound is a(n) A) longitudinal wave. B) electromagnetic wave. C) […]

Suppose 25 g of reactant A is mixed with 45 g of reactant B. After a chemical reaction takes place between A and B, which statement is correct? A) The total mass of products plus any unreacted reactants will be […]

By definition, the removal of oxygen from a compound is called A) neutralization. B) reduction. C) oxidation. D) displacement. The far side of the Moon A) has never been seen. B) has more craters than the near side. C) looks […]

During the approach of a severe thunderstorm, workers on a project see lightning and then hear the resulting thunder 25 s later. Approximately how far away, in miles, is the storm? A) 5 mi B) 10 mi C) 6 mi […]

The abbreviation of the unit of resistance is For a compound composed of ions, the smallest combination of ions that gives the formula of the compound is called a A) molecule. B) polyionic atom. C) polyatomic ion. D) formula unit. […]

A cola drink is a good example of A) a compound. B) a heterogeneous mixture. C) a homogeneous mixture. D) an element. What is the formula of a compound formed from the ions M1+ and X3-? A) M3X B) MX3 […]

If a positively charged object is brought near a suspended, positively charged object, the suspended object will be A) repelled. B) charged more. C) discharged. D) attracted. Who developed the quantum theory in 1900 and has a constant named for […]