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481 values
sciq-10714
multiple_choice
In what state of matter is butter at room temperature?
[ "solid", "gel", "liqued", "gas" ]
A
sciq-11604
multiple_choice
What's the best way humans can conserve water?
[ "use more", "salt it", "use less", "boil it" ]
C
sciq-4545
multiple_choice
Respiratory therapists or respiratory practitioners evaluate and treat patients diseases affecting what part of the body?
[ "byproduct , heart , and blood vessels", "brain, stomach, heart", "lung, heart, and blood vessels", "heart, lungs, stomach" ]
C
sciq-9745
multiple_choice
Predators can replace what tool in agriculture.
[ "pesticides", "fertilizer", "irrigators", "harvesters" ]
A
sciq-10144
multiple_choice
What are the poles labeled?
[ "north and south", "east and west", "west and south", "southwest and south" ]
A
sciq-7714
multiple_choice
Bronchial tubes in the lungs branch into ever-smaller structures, finally ending in alveoli. the alveoli act like what?
[ "tiny bubbles", "springs", "filters", "bellows" ]
A
sciq-4128
multiple_choice
Distance traveled divided by time is equal to what?
[ "direction", "speed", "frequency", "momentum" ]
B
ai2_arc-151
multiple_choice
One similarity between a small, solid sample of aluminum and a large, liquid sample of aluminum is that both samples have
[ "a definite shape.", "a definite volume.", "the same number of atoms.", "the same amount of energy." ]
B
scienceQA-3161
multiple_choice
What do these two changes have in common? cutting an apple breaking a stick in half
[ "Both are caused by cooling.", "Both are chemical changes.", "Both are caused by heating.", "Both are only physical changes." ]
D
Step 1: Think about each change. Cutting an apple is a physical change. The apple gets a different shape. But it is still made of the same type of matter as the uncut apple. Breaking a stick in half is a physical change. The stick gets broken into two pieces. But the pieces are still made of the same type of matter as the original stick. Step 2: Look at each answer choice. Both are only physical changes. Both changes are physical changes. No new matter is created. Both are chemical changes. Both changes are physical changes. They are not chemical changes. Both are caused by heating. Neither change is caused by heating. Both are caused by cooling. Neither change is caused by cooling.
sciq-7634
multiple_choice
What is the term for the process in which water vapor changes to tiny droplets of liquid water?
[ "dispersion", "vaporization", "condensation", "diffusion" ]
C
sciq-3195
multiple_choice
Where does the energy from an atomic bomb come from?
[ "nucleus of atom", "neutron", "isotope of atom", "electron shell" ]
A
sciq-9577
multiple_choice
What compounds contain only carbon and hydrogen?
[ "carbonates", "molecules", "particles", "hydrocarbons" ]
D
scienceQA-12022
multiple_choice
Which organ works in groups to move the body's bones?
[ "heart", "stomach", "brain", "muscles" ]
D
sciq-8222
multiple_choice
Like a runner passing a baton, the transmission of nerve impulses between neurons depends on what?
[ "enzymes", "neurotransmitters", "axons", "receptors" ]
B
sciq-3924
multiple_choice
What is an interation between organisms or species for the same resources in an enviroment is called?
[ "rivalry", "competition", "contention", "opposition" ]
B
scienceQA-2804
multiple_choice
What do these two changes have in common? an old sandwich rotting in a trashcan milk going sour
[ "Both are caused by heating.", "Both are only physical changes.", "Both are chemical changes.", "Both are caused by cooling." ]
C
Step 1: Think about each change. A sandwich rotting is a chemical change. The matter in the sandwich breaks down and slowly turns into a different type of matter. Milk going sour is a chemical change. The type of matter in the milk slowly changes. The new matter that is formed gives the milk its sour taste. Step 2: Look at each answer choice. Both are only physical changes. Both changes are chemical changes. They are not physical changes. Both are chemical changes. Both changes are chemical changes. The type of matter before and after each change is different. Both are caused by heating. Neither change is caused by heating. Both are caused by cooling. Neither change is caused by cooling.
sciq-10999
multiple_choice
Ocean water appears cyan because microbes in the water preferentially absorb what color of light?
[ "yellow", "blue", "red", "green" ]
C
ai2_arc-36
multiple_choice
Rain forests contain more species of trees than any other biome. However, scientists have found that the soil of the forest floor is relatively nutrient poor. What could most likely account for this?
[ "The lack of weathering reduces the availability of the minerals.", "The nutrients are being utilized by the plant life.", "The forest floor does not get enough sunlight.", "The animals eat the nutrients." ]
B
sciq-8426
multiple_choice
How do the vast majority of fish reproduce?
[ "by budding", "sexually", "asexually", "cloning" ]
B
sciq-8339
multiple_choice
Gain or loss of what causes an atom to become a negatively or positively charged ion?
[ "protons", "nucleus", "electrons", "neutrons" ]
C
sciq-4931
multiple_choice
The last two stages of aerobic respiration require what?
[ "carbon", "oxygen", "water", "sulfur" ]
B
sciq-1621
multiple_choice
When a warm air mass becomes trapped between two cold air masses, what type of front occurs?
[ "storm front", "occluded front", "obscured front", "stationary front" ]
B
sciq-2802
multiple_choice
What do you call the substance in a cooling system that has a low boiling point and changes between liquid and gaseous states?
[ "byproduct", "refrigerant", "emission", "coolant" ]
B
sciq-5472
multiple_choice
Blood from what organs enters the left atrium of the heart?
[ "Lymph nodes", "intestines", "lungs", "Brain" ]
C
ai2_arc-711
multiple_choice
Which of the following best describes a change in Earth's atmosphere made by early photosynthetic life?
[ "increased level of oxygen", "increased level of carbon dioxide", "decreased ability to support life", "decreased ability to transmit light" ]
A
sciq-7878
multiple_choice
During the winter, production of what amine involved in the sleep-wake cycle may be affected by less sunlight hours?
[ "melatonin", "serotonin", "dopamine", "folate" ]
A
sciq-2415
multiple_choice
What is the period from earth's origin to the beginning of the phanerozoic eon?
[ "precambrian", "Paleolithic", "Cenozoic", "anatolian" ]
A
sciq-792
multiple_choice
What occurs when an unstable nucleus emits a beta particle and energy?
[ "alpha decay", "methane decay", "nucleus decay", "beta decay" ]
D
ai2_arc-466
multiple_choice
Four different students take turns pushing a large, heavy ball on the school parking lot. What is the best way to determine which student used the most force to push the ball?
[ "compare the sizes of the students", "compare the ages of the students", "compare the distances that the ball rolled", "compare the number of times the ball was rolled" ]
C
sciq-5227
multiple_choice
What are the two ways animals can manage their internal environment?
[ "adaptation or mutation", "regulating or conforming", "sweating or sleeping", "digestion or excretion" ]
B
sciq-5131
multiple_choice
What are the effects of light on plant morphology called?
[ "electrogenesis", "photomorphogenesis", "Megasporogenesis", "Microsporogenesis" ]
B
sciq-387
multiple_choice
Zinc reacting with hydrochloric acid produces bubbles of which gas?
[ "mustard", "helium", "hydrogen", "carbon" ]
C
sciq-5668
multiple_choice
Producing sperm and secreting testosterone are the main functions of what system?
[ "endocrine system", "female reproductive system", "male reproductive system", "pollination" ]
C
sciq-4844
multiple_choice
Series and parallel circuits are two basic types of what?
[ "mechanical circuits", "chemical circuits", "electric circuits", "mutual circuits" ]
C
sciq-6264
multiple_choice
What causes blue litmus to turn red?
[ "oxygen", "base", "acid", "carbon" ]
C
sciq-5849
multiple_choice
The chromosomal theory of inheritance proposed that what reside on chromosomes?
[ "genes", "molecules", "atoms", "rna" ]
A
sciq-11453
multiple_choice
What contains carbon, hydrogen, and oxygen in a ratio of 1:2:1?
[ "helium", "magnesium", "sodium", "carbohydrate" ]
D
sciq-5820
multiple_choice
What is the name of the cell that results when a sperm nucleus fuses with a egg nucleus?
[ "t cell", "a filament", "a zygote", "a cytoplasm" ]
C
sciq-10134
multiple_choice
What type of rock is a sandstone?
[ "sedimentary rocks", "igneous rocks", "limestone rocks", "landform rocks" ]
A
sciq-2685
multiple_choice
What does the human protein cytokine help fight?
[ "toxins", "infections", "parasites", "mutations" ]
B
sciq-10600
multiple_choice
Release of spores in a suitable environment will lead to germination and a new generation of what?
[ "gametophytes", "seeds", "filaments", "assemblages" ]
A
sciq-3192
multiple_choice
The process of producing mature sperm is called what?
[ "spermatogenesis", "ketoacidosis", "glycogenolysis", "spermatosis" ]
A
sciq-10998
multiple_choice
What is the growing root tip protected by?
[ "root hinge", "root flap", "root cap", "tip cap" ]
C
sciq-1114
multiple_choice
What's the term for the period during which women's ovaries stop producing eggs?
[ "adolescence", "maturity", "menopause", "puberty" ]
C
sciq-5125
multiple_choice
What's the name for the point reached at a ph of 7?
[ "constriction point", "equivalence point", "acidic point", "analogous point" ]
B
sciq-440
multiple_choice
A new species is said to have evolved if separated members of a species evolve genetic differences that prevent what from occurring with the original members??
[ "interbreeding", "re-population", "evolution", "extinction" ]
A
sciq-8325
multiple_choice
What is the industrial chemical produced in greatest quantity worldwide?
[ "liquid acid", "gaseous acid", "boric acid", "sulfuric acid" ]
D
sciq-7831
multiple_choice
Light retains its original color under water because what remains the same when light is refracted?
[ "frequency", "sound", "density", "wave length" ]
A
sciq-4063
multiple_choice
What are the tiny packets of energy the sun gives off called?
[ "neutrons", "electrons", "photons", "ions" ]
C
sciq-2410
multiple_choice
Where is food stored?
[ "the stomach", "The esophagus", "The liver", "The gall bladder" ]
A
sciq-3414
multiple_choice
The complement system is a series of proteins constitutively found in the what?
[ "organs", "platelets", "nucleus", "blood plasma" ]
D
sciq-4936
multiple_choice
Plants can lose their leaves, flower, or break dormancy in response to a change in what?
[ "seasons", "events", "periods", "averages" ]
A
sciq-8885
multiple_choice
What are important coenzymes or precursors of coenzymes, and are required for enzymes to function properly?
[ "Drugs", "supplements", "vitamins", "carbohydrates" ]
C
sciq-615
multiple_choice
What causes polarization in a neutral object?
[ "separation of charges", "signaling of charges", "combining of charges", "meaning of charges" ]
A
sciq-3011
multiple_choice
How much electricity is generated by an average car battery?
[ "ten volts", "six volts", "eight volts", "twelve volts" ]
D
sciq-5992
multiple_choice
All elements are most stable when their outermost shell is filled with electrons according to which rule?
[ "quartet rule", "octet rule", "string rule", "coupling rule" ]
B
sciq-4448
multiple_choice
What is a relationship between living things that depend on the same resources?
[ "contention", "parasitic", "symbiotic", "competition" ]
D
sciq-9535
multiple_choice
Plaque is surgically removed from the walls of a vessel in which surgery?
[ "arthroscopy", "lumpectomy", "discectomy", "endarterectomy" ]
D
sciq-9433
multiple_choice
What is the distance that sound waves travel in a given amount of time called?
[ "velocity of sound", "speed of sound", "momentum of sound", "force of sound" ]
B
sciq-916
multiple_choice
Animals that molt their exoskeletons belong to which clade?
[ "trichina", "ecdysozoa", "spirogyra", "protists" ]
B
sciq-10643
multiple_choice
What do monotremes have instead of a uterus and vagina?
[ "urethra", "pouch", "cloaca", "endometrium" ]
C
sciq-5663
multiple_choice
What kind of fibers are used to transport telephone and television signals?
[ "hair fibers", "process fibers", "optical fibers", "touch fibers" ]
C
sciq-5703
multiple_choice
What captures carbon dioxide as it is emitted by a power plant before it enters the atmosphere?
[ "chemical sequestration", "carbon sequestration", "oxide sequestration", "nitrogen sequestration" ]
B
sciq-10647
multiple_choice
Most autotrophs make their "food" through which process, using the energy of the sun?
[ "atherosclerosis", "oculitis", "photosynthesis", "glycolysis" ]
C
sciq-9669
multiple_choice
Where are unsaturated fatty acids commonly found?
[ "oil", "butter", "animal products", "fish" ]
A
sciq-9151
multiple_choice
The cell starting meiosis is called a what?
[ "primary gamete", "zygote", "secondary oocyte", "primary oocyte" ]
D
sciq-8653
multiple_choice
Androgen secretion and sperm production are both controlled by hypothalamic and which other hormones?
[ "adrenal", "pituitary", "salivary", "Testes" ]
B
sciq-7294
multiple_choice
During what time period did poor air quality become a problem?
[ "Chernobyl disaster", "second world war", "coal industry boom", "industrial revolution" ]
D
sciq-6068
multiple_choice
Platinum and gold are useful materials for constructing circuits because of their ability to resist what?
[ "oxidation", "nitrogen", "decomposition", "Electricity" ]
A
sciq-4466
multiple_choice
The properties of the alkali metals are similar to each other as expected for elements in the same what?
[ "class", "farm", "family", "branch" ]
C
sciq-8335
multiple_choice
The four moons of jupiter are collectively named after what 17th century astronomer, who discovered them?
[ "darwin", "Linnaeus", "galileo", "copernicus" ]
C
sciq-2579
multiple_choice
Esters are neutral compounds that undergo what process, which is a reaction with water?
[ "osmosis", "hydrolysis", "replication", "cellular respiration" ]
B
sciq-8750
multiple_choice
What do we call the amount of time it will take for half of the radioactive material to decay?
[ "one half-life", "one full-life", "one partial-life", "one quarter-life" ]
A
sciq-4972
multiple_choice
What common process is used in the production of bread, cheese and alcoholic beverages?
[ "cloning", "fermentation", "oxidation", "condensation" ]
B
sciq-8716
multiple_choice
The vapor pressures of various liquids depends primarily on the strength of what kind of attractions between individual particles?
[ "diffusion", "intermolecular", "gravitational", "outer molecular" ]
B
sciq-4343
multiple_choice
What aspect of beryllium allows it to absorb x-rays?
[ "relative atomic number", "magnetism", "low atomic number", "high atomic number" ]
C
sciq-3079
multiple_choice
The force that a magnet exerts on certain materials is called what?
[ "magnetic force", "centripetal force", "stellar force", "velocity force" ]
A
sciq-8100
multiple_choice
Down syndrome is caused by having three copies of what, a condition known as trisomy?
[ "DNA", "genome", "variation", "chromosome" ]
D
sciq-4123
multiple_choice
What is the process by which a liquid changes to a solid?
[ "vaporizing", "freezing", "boiling", "melting" ]
B
sciq-1236
multiple_choice
What are the "levels" in a food chain or web called?
[ "parts", "root", "gauges", "trophic" ]
D
sciq-8615
multiple_choice
What is the transfer of thermal energy between substances called?
[ "Permeation", "heat", "Diffusion", "Radiation" ]
B
sciq-3100
multiple_choice
What are the two basic parts that all flowering plants have in common?
[ "blade and petiole", "metal and petiole", "leaf and petiole", "stalk and petiole" ]
A
sciq-8538
multiple_choice
What bodily function do the triceps help perform?
[ "extend the arm", "lift the leg", "perform crunches", "make a fist" ]
A
sciq-9223
multiple_choice
When additional water is added to an aqueous solution, what happens to the concentration of that solution?
[ "no change", "decreases", "increases", "doubles" ]
B
sciq-816
multiple_choice
Which competition leads to one species going extinct or both becoming more specialized?
[ "interspecific", "beneficial", "mimicry", "intraspecific" ]
A
sciq-8744
multiple_choice
What can be thought of as the most biologically productive regions on earth?
[ "coasts", "estuaries", "forests", "swamps" ]
B
sciq-2435
multiple_choice
What is muscle tissue that is attached to the bone called?
[ "cartilage", "ligament", "skeletal tisse", "epithelial tissue" ]
C
sciq-1588
multiple_choice
What is the term for the class of ectothermic, four-legged vertebrates that produce amniotic eggs?
[ "reptiles", "mammals", "Turtles", "amphibians" ]
A
sciq-7210
multiple_choice
How many years can dissolved carbon be stored in the deep ocean?
[ "thousands", "hundreds", "tens", "unknown" ]
A
ai2_arc-845
multiple_choice
Chris left a glass of water on a windowsill. When he looked at the glass a few days later, some of the water had evaporated. Which of the following best describes what happened to the particles of water that evaporated?
[ "They became larger in size.", "They spread out into the air.", "They were absorbed by the glass.", "They passed through the glass into the air." ]
B
sciq-11247
multiple_choice
Like the stem, what basic plant structure contains vascular bundles composed of xylem and phloem?
[ "flower", "root", "leaf", "bark" ]
C
sciq-1553
multiple_choice
What are monosaccharides and disaccharides also called?
[ "complex sugars", "simple sugars", "simple chemicals", "basic sugars" ]
B
sciq-6628
multiple_choice
What is the transfer of thermal energy by waves that can travel through empty space called?
[ "radiation", "induction", "convection", "vibration" ]
A
sciq-11251
multiple_choice
In adaptive radiation, what is the name of the initial species that then subsequently becomes multiple other ones?
[ "pioneer", "father", "founder", "Mother" ]
C
sciq-3951
multiple_choice
Where does much of the blood that enters the atria flow?
[ "muscles", "ventricles", "arteries", "lungs" ]
B
sciq-3444
multiple_choice
What is the most important process for the survival of a species?
[ "digestion", "differentiation", "metabolism", "reproduction" ]
D
sciq-9573
multiple_choice
The anterior muscles of the neck facilitate swallowing and what else?
[ "hearing", "perspiration", "speech", "crying" ]
C
ai2_arc-457
multiple_choice
Which action best models the motion of an arm at the elbow joint?
[ "opening a drawer", "slicing an apple", "closing a car door", "pushing a wheelbarrow" ]
C
sciq-4197
multiple_choice
Changes in the color of the statue of liberty owe to oxidation-reduction reactions, or what simpler term?
[ "copper", "oxygen", "immersion", "corrosion" ]
D
ai2_arc-903
multiple_choice
Which of the following is NOT a description of compounds?
[ "They can exist in the form of atoms or molecules.", "They consist of atoms of two or more elements bonded together.", "They have properties that are different from their component elements.", "They can be broken down into elements by chemical means but not physical means." ]
A