instruction stringlengths 14 4.34k | output stringlengths 1 6.77k | dataset stringclasses 11 values |
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What is composed of a calcium cation and a nitrate anion? | calcium nitrate | sciq |
What is the term for the hard covering that protects insects, crustaceans, and spiders? | exoskeleton | sciq |
Reaching conclusions about unobserved things on the basis of what has already been observed is known as what kind of reasoning? | inductive | sciq |
What man-made substance tends to break down ozone in the stratosphere? | cfcs | sciq |
What consists of a nitrogen atom bonded to some combination of carbons and hydrogens? | an amine | sciq |
A few earthquakes take place away from plate boundaries, these are called what? | intraplate earthquakes | sciq |
What is the science of classifying living things is called? | taxonomy | sciq |
What is the branch of science that studies the physical world? | physics | sciq |
Are birds and mammals mainly exothermic or endothermic? | endothermic | sciq |
What do you call scientists that study the weather, specifically? | meteorologists | sciq |
Covering about 16 percent of the moon's surface, maria are dark, solid, flat areas consisting of what substance? | lava | sciq |
Where does most geologic activity take place? | plate boundaries | sciq |
A mold is an imprint of an organism left in what? | rock | sciq |
The hexapoda subphylum includes mainly what type of animal? | insects | sciq |
What areas of the planet are most birds native to? | tropical | sciq |
What term is used to describe is the increased or decreased speed of movement of an organism in response to a stimulus? | orthokinesis | sciq |
What diagnostic technology uses high-frequency vibrations transmitted into any tissue in contact with the transducer? | ultrasound | sciq |
Groundwater dissolves minerals and carries the ions in a what? | solution | sciq |
Which ocean zone is the narrow strip along a coastline that is covered by water at high tide and exposed to air at low tide? | intertidal zone | sciq |
What do the muscles of the gastrointestinal tract do? | keep food moving | sciq |
What is a thin layer of gas that surrounds earth called? | the atmosphere | sciq |
What is the name for the nonliving parts of ecosystems? | abiotic factors | sciq |
What are used to lift large masses of magnetic materials such as scrap iron, rolls of steel, and auto parts? | electromagnets | sciq |
An endocrine disease usually involves the secretion of too much or not enough of what? | hormone | sciq |
What occurs when hot magma transforms rock that it contacts? | contact metamorphism | sciq |
What do the planets orbit around in the solar system? | the sun | sciq |
Structural rearrangements of what include partial duplications, deletions, inversions, and translocations; duplications and deletions often produce offspring that survive but exhibit physical and mental abnormalities? | chromosomes | sciq |
In iceland, the mid-atlantic ridge is above sea what? | level | sciq |
What is it called when two species evolve matching traits? | coevolution | sciq |
What do neurons pass to the next neuron? | neurotransmitters | sciq |
Where do polychaete worms live? | the ocean floor | sciq |
Opposite charges attract and like charges do what? | repulse | sciq |
How thick is the earth's continental crust, on average? | 35 kilometers | sciq |
What are carbonated beverages pressurized with? | co2 | sciq |
Why do mangrove trees rise high above the water? which characteristic help them to do so? | stilt like roots | sciq |
When volume does not change, temperature is proportional to what other property? | pressure | sciq |
What sac, which was sitting on top of the flat embryo, envelops the embryo as it folds? | amniotic sac | sciq |
In vascular plants, do primary roots grow downward or to the side? | downward | sciq |
Not even light can escape from what extremely dense object sometimes found in deep space? | black holes | sciq |
What is a soft connective tissue inside pores and cavities in spongy bone? | bone marrow | sciq |
The conservation of momentum principle can be applied to systems as different as a comet striking earth and a gas containing huge numbers of atoms and these? | molecules | sciq |
How many atoms are evenly organized around a central atom? | six | sciq |
What is the protist kingdom sometimes called as? | trash can kingdom | sciq |
What is the main difference between prokaryotic and eukaryotic cells? | presence of a nucleus | sciq |
In glycolysis, glucose is split into two molecules of pyruvate. this results in a net gain of? | two atp molecules | sciq |
What is the functional unit of compact bone? | osteon | sciq |
What is the transition from liquid to gas is called? | boiling | sciq |
Canoe paddles, nutcracker, and hammer are examples of what type of simple machine? | lever | sciq |
What happens to the density of air as the altitude decreases? | decreases | sciq |
What is the diffusion of water molecules across a semipermeable membrane? | osmosis | sciq |
What property of fluids causes something to stay on or near the surface of water? | buoyancy | sciq |
What term refers to entities, events or powers regarded as being beyond nature, and cannot be explained by scientific means? | supernatural | sciq |
What is the distinctive shape of the molecule that contains genetic information? | spiral | sciq |
What must people with type 1 and type 2 diabetes frequently check? | blood glucose levels | sciq |
What consists of the different species within an area? | biological community | sciq |
What type of resource cannot be replaced as easily as it is consumed? | nonrenewable | sciq |
What is the smallest contractile portion of a muscle? | sarcomere | sciq |
What types of bonds hold together positive metal ions and their valence electrons? | metallic bonds | sciq |
Where are all hormones secreted into before entering the circulatory system? | interstitial fluid | sciq |
What is made of gases that are essential for photosynthesis and other life activities? | atmosphere | sciq |
What is the type of mining called when materials are removed along a strip? | strip mining | sciq |
What is the name of the organelle that helps make and transport proteins and lipids? | endoplasmic reticulum | sciq |
Clearing land for agriculture and development is a major cause of what negative result? | habitat destruction | sciq |
Chemical reactions always involve what? | energy | sciq |
What layer covers the bones that make them look tough, shiny, and white? | periosteum | sciq |
What type of vertebrates are birds? | endothermic tetrapod | sciq |
What item starts puberty in girls? | the hypothalamus | sciq |
Huge calderas form when the mountain above an empty chamber of what collapses? | magma | sciq |
What do ecosystems require constant inputs of? | energy | sciq |
What is a capillary bed that filters blood principally based on particle size? | glomerulus | sciq |
What do covalent bonds give atoms a more stable arrangement of? | electrons | sciq |
Prokaryotic cells do not have a nucleus but instead generally have a single chromosome, a piece of double-stranded dna located in an area of the cell called the what? | nucleoid | sciq |
The vas deferens and ejaculatory ducts transport sperm from the epididymes to the urethra in what system? | male reproductive system | sciq |
What is the initial stage of scienetific investigations? | observation | sciq |
What type of change has occurred when a copper penny changes color? | chemical change | sciq |
Neutrons and protons reside in which part of the atom? | nucleus | sciq |
What type of cells make up the epidermis of a leaf? | dermal cells | sciq |
What term describes diseases caused by abnormal cells in the body dividing uncontrollably? | cancer | sciq |
What term is used to describe the ability of matter to burn? | flammability | sciq |
We would genetically be all the same if genes did not have different what? | alleles | sciq |
Why does water infiltrate the ground? | because soil and rocks are porous | sciq |
Humans need lipids for many vital functions such as storing energy and forming what? | cell membranes | sciq |
What occurs when groups from the same species stop mating because of something other than physical or geographic separation? | sympatric speciation | sciq |
Carboxylic acids are weak acids, meaning they are not 100% ionized in what? | water | sciq |
In which area does conduction mainly happen? | lower atmosphere | sciq |
Solid-state radiation detectors convert ionization produced in a semiconductor (like those found in computer chips) directly into what? | electrical signal | sciq |
How do oceans help control global warming? | absorbing carbon dioxide | sciq |
Which gas is released by the group of archaea known as methanogens? | methane | sciq |
What is the limiting factor for bacteria in a dish? | space | sciq |
Dna encodes instructions for what kind of molecules? | proteins | sciq |
Present-day plants that have a complex vascular tissue system are called what kind of plants? | vasuluar plants | sciq |
Knees and elbows are examples of what part of the skeletal system? | joints | sciq |
The barrier defenses are not a response to infections, but they are continuously working to protect against a broad range of what? | pathogens | sciq |
What does the esophagus produce for lubrication? | mucous | sciq |
What is it called when your joints start to wear out and they become stiff and painful? | arthritis | sciq |
What does phagocytosis defend the body from? | pathogens | sciq |
The smallest and lightest alcohols (methanol, ethanol, propanol) are completely soluble in? | water | sciq |
When skunks are in danger what do they give off? | foul smell | sciq |
Sulfur can combine with oxygen to produce what? | sulfur trioxide | sciq |
What are large vesicles derived from the endoplasmic reticulum and golgi apparatus? | vacuoles | sciq |
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