ORELA Subtest II - Science
What type of nuclear process features atomic nuclei splitting apart to form smaller nuclei? A. fission B. fusion C. decay D. ionization
A. fission
All else being equal, which of the following locations is likely to have the coolest climate?
A city located at 6,000 feet about sea level
What laboratory practice can increase the accuracy of a measurement? A. repeating the measurement several times B. calibrating the equipment each time you use it C. using metric measuring devices D. following SDS information
A. repeating the measurement several times
The stream of charged particles that escape the Sun's gravitational pull is best described by which of the following terms? A. solar wind B. solar flare C. solar radiation D. sunspots
A. solar wind
What drives weather systems to move west to east in the mid-latitudes? A. the prevailing westerlies B. the prevailing easterlies C. the trade winds D. the doldrums
A. the prevailing westerlies
According to Ohm's Law, how are voltage and current related in an electrical circuit? A. cottage and current are inversely proportional to one another B. voltage and current are directly proportional to one another C. voltage acts to oppose the current along an electrical circuit D. voltage acts to decrease the current along an electrical circuit
B. voltage and current are directly proportional to one another
Where are the reproductive organs of a plant? A. style B. stigma C. flowers D. sepals
C. flowers
Which of the following words is not connected to the process of mountain building? A.folding B.Faulting C.transform D.convergent
C.transform
What will happen to light waves as they hit a convex lens?
They will be refracted and converge
What type of change occurs when liquid transitions to gas? A. A phase change B. A chemical change C. Sublimation D. Condensation
A. A phase change
Scientists often form hypotheses based on particular observations. Which of the following is NOT true of a good hypothesis?
A goof hypothesis is complex
How are organisms, such as snakes, cacti, and coyotes, able to survive in harsh desert conditions? A. Over thousands of years, these organisms have developed adaptations to survive in arid climates B. These organisms migrate out of the desert during the summer months, only living in the desert for a portion of the year C. Snakes, cacti, and coyotes work together to find sources of food and water D. Snakes, cacti, and coyotes are all aquatic species that live in ponds and rivers during the hot day
A. Over thousands of years, these organisms have developed adaptations to survive in arid climates
Which of the following is considered a non-renewable resource? A. glass B. wood C. cattle D. soil
A. glass
After a science laboratory exercise, some solutions remain unused and are left over. What should be done with these solutions? A.Dispose of the solutions according to local disposal procedures. B.Empty the solutions into the sink and rinse with warm water and soap. C.Ensure the solutions are secured in closed containers and throw away. D.Store the solutions in a secured, dry place for later use.
A.Dispose of the solutions according to local disposal procedures.
A man accidentally drops his wallet in a swimming pool. He can see his wallet at the bottom of the pool. He jumps in to retrieve it, but the wallet is not where it appeared to be. What is the reason for the optical illusion? A. the reflection of the sunlight off of the water disrupted his view B. light is refracted as it exits the water, changing the wallet's apparent location C. the current at the bottom the pool caused the wallet to move D. the heat from the sun has impaired the man's vision
B. light is refracted as it exits the water, changing the wallet's apparent location
Elements in the periodic table are arranged into groups and periods and ordered according to all of the following except A. atomic number B. refractive index C. reactivity D. number of protons
B. refractive index
What is the definition of work? A. the amount of energy used to accomplish a job B. the force used to move a mass over a distance C. the amount of energy used per unit of time D. energy stored in an object to its position
B. the force used to move a mass over a distance
Which of the following terms describes an intrusion of magma injected between two layers of sedimentary rock, forcing the overlying strata upward to create a dome-like form? A. sill B. Dike C. Laccolith D. Caldera
C. Laccolith
Which of the following is needed for an experiment to be considered successful? A. a reasonable hypothesis B. a well-written lab report C. data that others can reproduce D. computer-aided statistical analysis
C. data that others can reproduce
Which of the following statements about heat transfer is not true? A. as the energy of a system changes, its thermal energy must change or work must be done B. heat transfer from a warmer object to a cooler object can occur spontaneously C. heat transfer can never occur from a cooler object to a warmer object D. if two objects reach the same temperature, energy is no longer available for work
C. heat transfer can never occur from a cooler object to a warmer object
The precision of a number of data points refers to: A. how accurate the data is B. how many errors the data contains C. how close the actual data points are to the mean of the data D. how close the actual data is to the predicted result
C. how close the actual data points are to the mean of the data
A gas is held in a closed container and held at constant temperature. What is the effect of increasing the volume of the container by 3 times? A. the pressure is tripled B. The pressure increases by one-third C. the pressure decreases to one-third D. the pressure remains constant
C. the pressure decreases to one-third
How does adding a solute to a liquid solvent affect the vapor pressure of the liquid? A. the vapor pressure increases by an amount proportional to the amount of solute B. the vapor pressure increases by an amount proportional to the amount of solvent C. the vapor pressure decreases by an amount proportional to the amount of solute D. the amount of solute present in a liquid solvent does not have any effect on vapor pressure
C. the vapor pressure decreases by an amount proportional to the amount of solute
Which of the following animal structures is not paired to its correct function? a.Muscle system - controls movement through three types of muscle tissue. b.Nervous System - controls sensory responses by carrying impulses away from and toward the cell body. c.Digestive System - breaks down food for absorption into the blood stream where it is delivered to cells for respiration. d.Circulatory system - exchanges gasses with the environment by delivering oxygen to the bloodstream and releasing carbon dioxide.
D. Circulatory system - exchanges gasses with the environment by delivering oxygen to the bloodstream and releasing carbon dioxide.
Which of the following organelles is/are formed when the plasma membrane surrounds a particle outside of the cell? A. Golgi bodies B. Rough endoplasmic reticulum C. Secretory vesicles D. Endocytic vesicles
D. Endocytic vesicles
In which of the following scenarios is work not applied to the object? A.Mario moves a book from the floor to the top shelf B. a book drops off the shelf and falls to the floor C. Mario pushes a box of books across the room D. Mario balances a book on his head
D. Mario balances a book on his head
Which of the following would not be used as evidence for evolution? A. Fossil record B. DNA sequences C. Anatomical structures D. Reproductive habits
D. Reproductive habits
The most recently formed parts of the Earth's crust can be found at: A. subduction zones B. compressional boundaries C. extensional boundaries D. mid-ocean ridges
D. mid-ocean ridges
If an atom has a neutral charge, what must be true of the atom? A.The nucleus contains only neutrons and no protons. B.The atomic mass is equal to the number of neutrons. C.The atomic number is equal to the number of neutrons. D.The atomic number is equal to the number of electrons.
D.The atomic number is equal to the number of electrons.
