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481 values
sciq-941
multiple_choice
What type of living things break down dead organisms and recycle their nutrients into the soil?
[ "decomposers", "consumers", "probiotics", "producers" ]
A
sciq-7852
multiple_choice
The peripheral nervous system consists of all the nerves that are found outside what?
[ "central nervous system", "large nervous system", "autonomic nerous system", "somatic nervous system" ]
A
sciq-11214
multiple_choice
All planets exhibit the same or nearly the same direction and shape of what path around the sun?
[ "ellipse", "orbit", "nucleus", "revolution" ]
B
sciq-7118
multiple_choice
What are kpa, atm, and mmhg measurement units for?
[ "pressure", "temperature", "weight", "velocity" ]
A
sciq-4360
multiple_choice
What is algae easier to covert into that corn is currently used for?
[ "food", "sugar", "fuel", "oil" ]
C
sciq-4557
multiple_choice
What is the part of the flower that produces pollen?
[ "leaves", "stigma", "cones", "stamen" ]
D
sciq-4075
multiple_choice
What arteries carry oxygen-poor blood away from the heart to the lungs?
[ "subclavian", "pulmonary", "femoral", "aorta" ]
B
sciq-4275
multiple_choice
What structures on the gastrodermal cells keep the contents of the gastrovascular cavity agitated and help distribute nutrients?
[ "nucleus", "sporangia", "flagella", "telomeres" ]
C
sciq-5697
multiple_choice
Electronegativity is a qualitative measure of how much an atom attracts what in a covalent bond?
[ "isotopes", "electrons", "protons", "neutrons" ]
B
sciq-10377
multiple_choice
Where do most cubozoans live?
[ "lakes", "rivers", "tropical oceans", "arctic oceans" ]
C
sciq-8101
multiple_choice
What kind of weathering changes the size of a mineral or rock but does not change its chemical composition?
[ "mechanical weathering", "radiation", "molecular weathering", "chemical reaction" ]
A
sciq-4522
multiple_choice
What is the study of structure, properties, and interactions of matter?
[ "chemistry", "geology", "biology", "petrology" ]
A
sciq-117
multiple_choice
The bones of the skull are connected by what type of joints?
[ "pivoting", "immovable", "semi-mobile", "adjustable" ]
B
sciq-3962
multiple_choice
What is the most common type of volcano?
[ "block cone", "flat", "geyser", "cinder cone" ]
D
sciq-3406
multiple_choice
What is the bending of waves around a corner called?
[ "propulsion", "absorption", "reflection", "diffraction" ]
D
sciq-3546
multiple_choice
Iron is oxidized to fe2+(aq) at an anodic site on the surface of the iron, which is often an impurity or this?
[ "spontaneous mutation", "displacement defect", "lattice defect", "ladder complex" ]
C
ai2_arc-126
multiple_choice
In which of the following ways are photosynthesis and cellular respiration alike?
[ "Both processes produce glucose.", "Both processes consume carbon dioxide.", "Both processes take place in chloroplasts.", "Both processes involve energy transformations." ]
D
sciq-9203
multiple_choice
Unlike ionic compounds, covalent compounds do not have freely moving what?
[ "atoms", "Nuclei.", "electrons", "neutrons" ]
C
sciq-6352
multiple_choice
What is defined as the mass per unit volume of a substance?
[ "weight", "diameter", "height", "density" ]
D
sciq-8501
multiple_choice
How do invertebrates reproduce?
[ "constantly", "sexually", "randomly", "asexually" ]
B
sciq-5318
multiple_choice
What happens to the energy levels of electrons as they are closer to the nucleus?
[ "they balance", "they divide", "they are lower", "they are higher" ]
C
sciq-5339
multiple_choice
Because collisions are ______, energy can be transferred between molecules during them.
[ "elastic", "inelastic", "preservative", "conductive" ]
A
sciq-4775
multiple_choice
What do neutral atoms have the same number of?
[ "gases and protons", "Measure and electrons", "electrons and protons", "toxins and protons" ]
C
sciq-4550
multiple_choice
Oxygen has the second highest electronegativity of any element; consequently, it prefers to share or accept electrons from other elements. only with fluorine does oxygen form compounds in this?
[ "liquid oxidation states", "positive oxidation states", "negative Oxidation States", "chemical oxidation states" ]
B
sciq-6127
multiple_choice
What is the name of the stage of life when a child becomes sexually mature?
[ "reproductive stage", "puberty", "pre-adolescence", "adulthood" ]
B
sciq-7059
multiple_choice
What cellular structure moves molecules between locations inside the cell?
[ "transport vessels", "transport vesicles", "dna vesicles", "capillaries" ]
B
ai2_arc-808
multiple_choice
Which statement best explains why a car that is rolling on a level surface will eventually come to a stop?
[ "Frictional forces oppose the motion of the car.", "Forward motion slowly runs out as energy is expended.", "The natural state of an object is to be at rest.", "Inertia acting on an object will dissipate." ]
A
sciq-10842
multiple_choice
What is one of the most common biochemical compounds on earth and is found in all plants?
[ "sulfur", "cellulose", "carbon dioxide", "hydrogen" ]
B
sciq-7998
multiple_choice
What type of animal in the sea spend most of their lives as medusae?
[ "fish", "whales", "jellyfish", "sharks" ]
C
sciq-2523
multiple_choice
Enzymes in the stomach and small intestine break down proteins into what components?
[ "amino acids", "lactic acids", "atoms", "antioxidants" ]
A
ai2_arc-536
multiple_choice
In Florida, both panthers and bobcats prey on white-tailed deer. How will their competition for food most likely be affected if white-tailed deer populations in Florida suddenly decreases?
[ "Competition will increase between bobcats and panthers.", "Competition will decrease between bobcats and panthers.", "Competition will increase between white-tailed deer and bobcats.", "Competition will decrease between white-tailed deer and panthers." ]
A
sciq-5531
multiple_choice
What color light is actually the absence of electromagnetic waves in the visible spectrum, for humans?
[ "infrared light", "blue light", "ultraviolet light", "black light" ]
D
ai2_arc-582
multiple_choice
A baby horse will inherit all of these traits from its parents except
[ "height.", "weight.", "coat color.", "preferred food." ]
D
sciq-11347
multiple_choice
What are the secretions released by the endocrine glands called?
[ "fluids", "enzymes", "hormones", "acids" ]
C
sciq-7524
multiple_choice
What is the only metal that is a liquid at room temperature?
[ "tin", "mercury", "aluminum", "copper" ]
B
sciq-3873
multiple_choice
Daughter cells divide by what?
[ "nucleus", "meiosis", "electrolysis", "mitosis" ]
B
sciq-9524
multiple_choice
Drilling wells into hot rocks to release hot water or steam is an example of what kind of power plant?
[ "hydroelectric", "fossil fuel", "solar", "geothermal" ]
D
sciq-10523
multiple_choice
Magnetism is due to the movement of what within atoms?
[ "magnetrons", "protons", "neutrons", "electrons" ]
D
sciq-1779
multiple_choice
What group of elements does sodium belong to?
[ "alkali metals", "noble gases", "metalloids", "halogens" ]
A
sciq-9924
multiple_choice
What factors consist of parts of the environment that are or were alive, and their remains?
[ "xerophytic factors", "biotic factors", "decomposition factors", "abiotic factors" ]
B
sciq-7411
multiple_choice
Most of the gray matter is on the surface of the brain, surrounding what other type of matter?
[ "dark matter", "corrugated", "blue", "white" ]
D
sciq-6911
multiple_choice
Oversecretion of insulin can cause what?
[ "inflammation", "hypoglycemia", "hypoxia", "hyperglycemia" ]
B
sciq-10027
multiple_choice
What includes the living organisms in an area and the non-living aspects of the environment?
[ "degradation", "ecosystem", "habitat", "outpost" ]
B
sciq-7841
multiple_choice
What do jellyfish use to startle predators?
[ "visible light", "black light", "harsh light", "bicellular light" ]
A
sciq-7091
multiple_choice
What is the term for potential energy due to the position of an object above earth?
[ "gravitational indication energy", "gravitational pull energy", "gravitational recovery energy", "gravitational potential energy" ]
D
sciq-7338
multiple_choice
What type of plants are the mosses, the hornwarts, and the liverworts considered to be?
[ "spirogyra", "xerophyte", "nonvascular", "Vascular" ]
C
sciq-2534
multiple_choice
Chlorophyll is used in what food-making process that plants carry out?
[ "digestion", "photosynthesis", "isolation", "colorization" ]
B
sciq-4215
multiple_choice
What is is a measurement of the force amplification of a machine?
[ "mechanical push", "mechanical pull", "mechanical advantage", "force multiplier" ]
C
sciq-5596
multiple_choice
Generally, momentum implies a tendency to continue on course—to move in the same direction—and is associated with great mass and speed. momentum, like energy, is important because it is what?
[ "conserved", "sequences", "endless", "invisible" ]
A
sciq-9771
multiple_choice
What is the only metalloid in group 13?
[ "gallium", "phosphorus", "boron", "alluminum" ]
C
sciq-7839
multiple_choice
What has high surface tension because of extensive hydrogen bonding?
[ "hydrocarbons", "gases", "water", "air" ]
C
sciq-1821
multiple_choice
What is another word for seed plants?
[ "echinoderm", "protosperm", "phyla", "gymnosperm" ]
D
sciq-4563
multiple_choice
What has increased the greenhouse effect?
[ "temperature changes", "ozone depletion", "human actions", "climate change" ]
C
scienceQA-7976
multiple_choice
Select the vertebrate.
[ "black widow spider", "ladybug", "atlas moth", "flounder" ]
D
A ladybug is an insect. Like other insects, a ladybug is an invertebrate. It does not have a backbone. It has an exoskeleton. An atlas moth is an insect. Like other insects, an atlas moth is an invertebrate. It does not have a backbone. It has an exoskeleton. Like other spiders, a black widow spider is an invertebrate. It does not have a backbone. It has an exoskeleton. A flounder is a fish. Like other fish, a flounder is a vertebrate. It has a backbone.
sciq-10522
multiple_choice
Amino acid units in a protein are connected by what bonds?
[ "peptide", "acidic", "covalent", "ionic" ]
A
sciq-807
multiple_choice
What is the term for environmental causes of mutations?
[ "carcinogens", "mutagens", "pollutants", "catalysts" ]
B
sciq-1592
multiple_choice
Which organelle specific to plant cells is responsible for photosynthesis?
[ "the mitochondria", "the vacuole", "the lipid", "the chloroplast" ]
D
sciq-5881
multiple_choice
What substance causes oxidation by accepting electrons?
[ "thermal agent", "solvents", "enzymes", "oxidizing agent" ]
D
sciq-9325
multiple_choice
When volume does not change, temperature is proportional to what other property?
[ "pressure", "resistance", "Density", "Length" ]
A
sciq-2074
multiple_choice
Behaviors that occur naturally and are not learned are called what?
[ "innate", "acquired", "adaptive", "intuitive" ]
A
scienceQA-5934
multiple_choice
Select the solid.
[ "marbles", "rain", "coffee", "air inside a soccer ball" ]
A
Coffee is a liquid. A liquid takes the shape of any container it is in. If you pour coffee into a different container, the coffee will take the shape of that container. But the coffee will still take up the same amount of space. A marble is a solid. A solid has a size and shape of its own. A marble can be made of clear or colored glass. The air inside a soccer ball is a gas. A gas expands to fill a space. The air fills all the space inside the soccer ball. If air leaks out, it will expand into the space around the ball. Rain is a liquid. A liquid takes the shape of any container it is in. If you put rainwater into a bucket, the rainwater will take the shape of the bucket. But the rainwater will still take up the same amount of space.
sciq-7122
multiple_choice
What is the membrane that surrounds a fetus called?
[ "umbilical sac", "cell membrane", "umbilicus", "amniotic sac" ]
D
sciq-6920
multiple_choice
What part of blood releases clotting factors?
[ "hemoglobin", "erythrocytes", "platelets", "white blood cells" ]
C
sciq-5391
multiple_choice
What also happens when people feel anxious and breathe too fast?
[ "they become lightheaded", "they become pettite", "they become elated", "they become hostile" ]
A
sciq-7423
multiple_choice
What is occasional chest pain known as?
[ "cardiac arrest", "angina pectoris", "arrhythmia", "heart murmur" ]
B
ai2_arc-247
multiple_choice
Two identical plants are planted 3 meters apart. One plant is flowering, but the other is not. A student concludes that the plants are receiving an unequal supply of water. Another possible explanation the other plant is not flowering is that the plants are
[ "too close to one another.", "receiving different amounts of sunlight.", "in soil with high humus content.", "receiving different amounts of carbon dioxide." ]
B
sciq-7803
multiple_choice
Muscle groups are controlled by what mechanism?
[ "activation energy", "growth hormones", "cerebral cortex", "motor cortex" ]
D
sciq-6480
multiple_choice
What do you call a mixture in which some particles settle out of it when it is left standing?
[ "suspension", "homogenous", "emulsion", "alloy" ]
A
sciq-11139
multiple_choice
In science, what is constantly tested, sometimes revised, sometimes thrown out and sometimes well-established?
[ "a technique", "a theory", "a study", "a variable" ]
B
sciq-3795
multiple_choice
Like the strings of cello, anything that vibrates produces waves of what?
[ "light", "heating", "energy", "sound" ]
C
sciq-8515
multiple_choice
Chemical changes occur because of what?
[ "evaporation", "liquid reactions", "toxic reactions", "chemical reactions" ]
D
sciq-3066
multiple_choice
What kind of waves are electromagnetic waves?
[ "transverse", "curved", "inverse", "amplitude" ]
A
sciq-2827
multiple_choice
What is the group of all the eukaryotes that are not fungi, animals, or plants called?
[ "protists", "filamentous", "lizards", "arthropods" ]
A
sciq-10920
multiple_choice
What do we call an interruption in the normal conduction pathway of the heart?
[ "heart attack", "heartburn", "heart block", "infarction" ]
C
sciq-696
multiple_choice
Fitness and natural selection are parts of what theory that might describe how organisms change over time?
[ "dessication", "evolution", "implementation", "gravity" ]
B
sciq-2736
multiple_choice
As roots grow longer they will always do what?
[ "grow downward", "get larger", "get thicker", "change direction" ]
A
sciq-4640
multiple_choice
Why does water have a high surface tension?
[ "oxygenation", "hydrogen bonding", "high freezing point", "helium bonding" ]
B
sciq-8431
multiple_choice
Aquatic biomes are determined mainly by distance from shore and what other factor?
[ "species populations", "water temperature", "depth of water", "salinity" ]
C
ai2_arc-1010
multiple_choice
Newton's work in physics helped to provide mathematical explanations for the earlier conclusions of which scientist?
[ "Ptolemy", "Aristotle", "Nicolas Copernicus", "Dmitri Mendeleev" ]
C
sciq-3993
multiple_choice
What kind of eruption do scientists think is caused by a very large magma chamber erupting entirely in one catastrophic explosion?
[ "brucei eruption", "supervolcano eruption", "supermagma eruption", "mangxamba eruption" ]
B
ai2_arc-1050
multiple_choice
When placed at equal distances apart, the greatest gravitational attraction will be between two
[ "skateboards.", "refrigerators.", "bowling balls.", "school buses." ]
D
sciq-9103
multiple_choice
We know from what type of waves produced by earthquakes that parts of the interior of the earth are liquid?
[ "kinetic", "volcanic", "electromagnetic", "seismic" ]
D
sciq-7447
multiple_choice
Steel, bronze, and brass are examples of what?
[ "oxides", "alloys", "chemicals", "compounds" ]
B
sciq-10187
multiple_choice
How is the chance of survival affected when animals lack parental care?
[ "variable", "increased", "decreased", "unaffected" ]
C
sciq-9570
multiple_choice
What is defined as the product of a force times the distance over which the force acts?
[ "matter", "motion", "work", "energy" ]
C
sciq-1827
multiple_choice
Which word describes how an extracellular solution can change the volume of a cell by affecting osmosis?
[ "trichina", "velocity", "instability", "tonicity" ]
D
sciq-493
multiple_choice
What term is used to describe a chemical released by an animal that affects the behavior or physiology of animals of the same species?
[ "isolate", "amino", "enzyme", "pheromone" ]
D
sciq-7094
multiple_choice
The nuclei of radioisotopes are unstable, so they constantly decay and emit what?
[ "acid", "radiation", "chemicals", "moisture" ]
B
sciq-6132
multiple_choice
Eventually the parent cell will pinch apart to form two identical types of what cells?
[ "daughter cells", "son cells", "father cells", "brother cells" ]
A
ai2_arc-49
multiple_choice
In living things, smaller substances are linked to make up larger substances. Which of the following correctly describes a larger substance made by linking smaller substances?
[ "Nucleotides are linked to make up DNA.", "Amino acids are linked to make up DNA.", "Proteins are linked to make up nucleotides.", "Nucleic acids are linked to make up proteins." ]
A
sciq-7109
multiple_choice
What shape is the lens of the eye?
[ "angular", "spherical", "concave", "convex" ]
D
sciq-4317
multiple_choice
What do secondary spermatocytes form when completing meiosis?
[ "sporozoans", "semen", "pores", "spermatids" ]
D
sciq-3571
multiple_choice
What has revolutionized human society over the past several decades?
[ "food technology", "flight technology", "travel technology", "computer technology" ]
D
ai2_arc-587
multiple_choice
According to the fossil record, the first horses were smaller than modern species. Throughout time, horses have gradually changed
[ "to become better hunters.", "in order to re-populate the Earth.", "in response to an altering environment.", "to become useful for humans." ]
C
sciq-8446
multiple_choice
What are most protist diseases in humans caused by?
[ "ticks", "lice", "eukaryots", "protozoa" ]
D
sciq-5385
multiple_choice
Most members of the animal kingdom have differentiated tissues of four main classes—nervous, muscular, connective, and this?
[ "crystalline", "epithelial", "digestive", "neural" ]
B
sciq-5581
multiple_choice
What are composed of an oxygen atom that forms single bonds with two carbon atoms?
[ "ethers", "solvents", "acids", "sugars" ]
A
sciq-9280
multiple_choice
Most of these bacterial illnesses can be prevented with proper cooking of food and washing what?
[ "teeth", "hands", "vegetables", "hair" ]
B
sciq-8227
multiple_choice
Herbivores are heterotrophs that eat only or mainly what?
[ "animals", "fish", "decayed matter", "plants" ]
D
sciq-9351
multiple_choice
A gene may have different versions called what?
[ "peptides", "alleles", "genomes", "locus" ]
B