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Science Crosswords

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Title Instructions / Description Sample Puzzle Hints Difficulty
Evolution is a type of natural selection in which genetic diversity decreases as the population stabilizes on a particular trait value. condition that occurs when the frequency of alleles in a particular gene pool remain constant over time. inherited characteristic that improves an organism's ability to survive and reproduce in a particular environment. evolution on the smallest scale—a generation-to-generation change in the frequencies of alleles within a population. remnant of a structure that may have had an important function in a species' ancestors, but has no clear function in the modern species. Hard
Non-Renewable Energy Resources an energy source that cannot be replaced of regenerated and will therefore run out. examples include coal, oil and natural gas. rainwater that is more acidic than normal rain due to the release of sulphur dioxide and nitrogen oxides . the material, usually uranium, that undergoes nuclear fission and is the source of heat in nuclear power stations. the splitting of an atomic nucleus, which releases large amounts of energy. Hard
Diesel Engine Oil Lowering viscosity of oil for fuel economy benefits can adversely impact equipment. What does “W” in viscosity grade stands for. Name the pollutant which is blocked using Diesel Particulate filter. Less than 50 ppm sulphur is used in _____ fuels. Name Gulf Mobile Natural Gas Engine Oil . Hard
Environmental Science EPA sues for pollution cleanup and has funds to pay for abandon waste sites. yard waste, fruit and vegetable scraps decomposing naturally. dumping water into the river, lake or sea that is much higher or lower than original termperature. water moving downward over the land on the surface. removes any trash or large objects from sewage stream. Very Difficult
Magnetism a material or object that produces a magnetic field.. In magnets, opposites _______.. magnetized pieces from iron ore.. the force of attraction or repulsion generated by moving or spinning electric charges.. The distance between the north and south poles of a magnetic circuit. . Hard
Evolution and Fossils The remains or imprints of once-living organisms. Fossils that help fill the gaps in the fossil record. An inherited characteristic that helps an organism survive and reproduce in its environment. Organisms share structural traits that may have similar or different functions. Traits that organisms get or acquire; they are not born with them. Hard
Renewable and Nonrenewable Energy this energy source is used on the ocean, capturing energy from waves. this type of reaction combines two atoms into one. this type of energy takes a very long time to replace itself. coal, oil, and natural gas are examples of these.... this energy is created from fast-moving water. Hard
Newton's First Law Puzzle A Crossword Puzzle for Newton's First Law Movement.. The force that when something stops, it wats to keep going ex: slam on the breaks in the car, body flys forward.. A rule.. A push or a pull.. the speed and direction of an object.. Older Children
Light Happens when a light wave bends.. To take in or soak up. (reflect and absorb light)-materials that do not allow light waves to pass through.. The low point of a wave.. Light waves that travel in a straight path.. Older Children
Flammable Liquids There are _______ categories of flammable liquids.. _________ electcity can occur when two surfaces are in contact with each other.. The temperature at which a liquid releases enough vapor to become ignitable.. The category of flammable liquid that's most dangerous.. If the concentration of flammable vapor moves above the Upper Flammable Liquid, the mixture becomes too _______ to burn.. Hard
Exploring the Deep the name of the first ship who set out to measure the depth of the ocean. the deepest manned dive discovered this place. means to be able to go underwater. vents that pump extremely hot water up through the ocean floor. unmanned robots that can explore the ocean while scientists contol it from a ship. Hard
Polar Marine Life H2O. study of marine life. use rod to catch marine life. floats on water. frozen water. Older Children
Sound The vibrations per second of an object causing sound.. The small part of the inner ear that looks like a snail.. The degree of highness or lowness of a sound.. Uneven; having different patterrns or shapes.. A metal instrument that makes the sound of a musical note when tapped on a hard surface.. Hard
General Science Divergent boundary where new ocean floor is formed. When the plates shift suddenly and release stone . Beneath the earth surface where rock under stress breaks . Slow movement of the earths plates produces volcanoe, mountain ridge, earthquakes . Break in the earth crust when earthquakes can happen. Big
Science Fair Terms a possible, testable explanation for a set of observations or answers to a scientific question. A question that leads to further testing. things you should have controlled but could not. what happened as an outcome of your experiment. This group is used as a standard of comparison in a control experiment. Older Children
Electricity and Magnetism an electric circuit with two or more paths for current. a material that slows the flow of heat and electricity. a basic property of the tiny particles that make up matter. Electric charges can be positive or negative. an electric circuit with only one path current. a flow of electric charges. Hard
The Magical World of Sciences The transport of material out of a cell by means of a sac or vesicle that first engulfs the material and then is extruded through an opening in the cell membrane ( distinguished from endocytosis ). . Archaic practice of medicine in conjunction with astrology . A quantitative deficiency of the hemoglobin, often accompanied by a reduced number of red blood cells and causing pallor, weakness, and breathlessness. . Art of definition of words . Inflammation of the nose or its mucous membrane. . Hard
Ecology The conversion of nitrate to nitrogen gas. The path of energy through the trophic levels of an ecosystem. Consists of a community and all the physical aspects of its habitat. The process of combining nitrogen with hydrogen to form ammonia. An animal that eats other animals. Hard
Dinosaurs Before recorded history. It has been preserved in fossil form. No longer alive. Eat plants. Eat meat. Older Children
Evolution remains of organisms that lived in the past. organism that no longer exists on earth. group of primates in which modern humans and their ancestors are classified. order of mammals. trait of an organism that helps it live in its environment. Hard
Force and Motion the law that states forces act in equal but opposite directions. change of position. The tendency of motionless bodies to remain motionless and moving bodies to remain in motion. the law that states force equals mass times acceleration. A push, pull or a twist. Hard
Water World when particles mix into water and break into tiny parts that cannot be seen. no definite shape, takes up definite space. the path water travels as it evaporates, condenses, and returns to the Earth. when liquid or solid form of water fall to the Earth. water vapor changes to a liquid. Big
Coral Reefs a mineral that makes up a coral polyp's exoskeleton. a coral reef is a massive collection of this sea animal. outside skeleton. this is how a coral reef feels when you touch it. swimming with a facemask to help see under water, and fins to help swim. Hard
Higher Invertebrates A rasping tongue characteristic of gastropods. . An outer skeleton.. Tissues used for gas exchange in aquatic animals.. A two part tube structure used by Bivalves to bring fresh water into their shells.. A chemical substance produced by leeches.. Hard
Life Cycles a hard case that forms around a butterfly larva. occurs when an organism comes out of an egg. a powdery substance made up of fine grains. the change in form as an organism grows into an adult. the start of a new plant's life cycle. Older Children
Electricity an electric current with multiple paths. a material that does not conduct heat very well. a liquid or paste that conducts electric current . the force that one surface exerts on another objects;When two rub against each other. current consisting of charges that flow in only one direction in a circuit . Big
Light Waves waves change their speed, causing them to bend. objects that reflect light . light is absorbed . spreads apart light waves . magenta, cyan and yellow . Hard
Gravity force on the apple has the same ___ as a force on the moon. ___ greater when you are on earths surface. Universal Gravitational law is also the___ ?. When a quantity varies as the inverse square of its distance from its source(abbrv). the reason the moon doesnt crash into earth is because of its large ___ speed. Hard
The Process of Thinking A way of wording or presenting an idea which can be very persuasive.. What we use to solve problems less acurately because we often include judgement.. The Process Thomas Edison used to find a working lightbulb filament.. When you cling to a belief even though it has been disproved.. How quickly and easily a event comes to mind.. Hard
Isaac Newton newton's college. look through. last name. first name. occupation. Older Children
Anthropolgy The _____ of a bone helps us determine if a bone is male or female by plain sight. The angle of this bone in the skull helps us determine if the skull is male or female. A cartilaginous line found when cartilage is slowly replaced with hard, compact bone. The length of bones is a key factor in determining _____.. The model is used when determining the race of a skull.. Hard
Properties of Water Shapeless substance that flows like water and is wet.. To change from a solid, liquid, or gas to another state, such as an ice cube melting.. Physical change in matter from a gas to a liquid.. Physical change in matter from a liquid to a gas.. The temperature at which a substance changes states from a liquid to a solid (freezing point of water is 0° Celsius).. Older Children
Energy Conservation When a resource has reached the point at which it cannot regenerate itself, overusing resources that can read tp exhausting the supply.. What type of argument is this to support renewable energy? (Social,Econmoic,Environmental) : Renewable energy can create many new jobs for people. . In harmany with natural systems and acting to maintain the health and intergrity of the enviroment.. What type of energy is harnessed off the power of moving water to create electricity? . What type of energy is created from trees and plants and is used to make ethanol, doesel, and other organic fuels. Includes crops and plant waste and the methane gas produced from decomposition.. Hard
Forensics body of laws passed by legislative bodies. the study of mechanical objects. the study of bugs. the study of alcohol and poison in the body. laws based on previous rulings. Hard
Living and Non Living Things A plant that grows in the dessert. Water lilies live in. The number of characteristics a living thing must have. A dog is a ......thing. Animals with a backbone. Hard
Magnets It will help you find your way.. Opposite of 'Repel'.. One of the 'Poles'.. This metal is not magnetic. A magnetic metal.. Older Children
Evolution lives under water. like bananas and lives in trees . if an animal is going to survive it must .... we all have them inside our body. created the world in seven days. Older Children
Lab Expectations You can always work on ________________ at any time.. Wash hands in ___________ water.. Girls should tie back long _____________.. You should read the _____________ and follow it closely. . You need to sit down at a _____________ when you are eating. . Older Children
Extinction A scientist who studies fossils.. The system for naming organisms in which each organism is given a unique, two-part scientific name.. The comparison of the structures of different organisms.. A behavior or physical characteristic that allows an organism to survive or reproduce in its enviroment.. The process of grouping things based on their similarities.. Hard
Water Pollution trash, such as paper, cans and bottles, that is left in an open or public place. a synthetic material made from a wide range of organic polymers. a worthless material that is to be disposed of. a bin that holds rubish till it's collected.. the state of being free from illness or injury. Older Children
Painted Lady Butterfly Life Cycle hard shell on a larva that comes off (molts). also called the pupa. to come out of. usually a caterpillars first meal. to change shape or form. Hard
Light and Colour light given off because of heat. a ray travelling towards a mirror. light without heat. when light bounces. does not let light go through. Big
Evolution A scientist who studies fossils. The comparison of the structures of different organisms. A behavior or physical characteristic that allows an organism to survie. The process of grouping things based on their similarities. The gradual change in a species over time. Hard
Evolution Crossword (Intermediate) states that newer forms of species appearing in the fossil record are actually the modified descendants of older species. species compete for resources in order to survive. the hypothesis that evolutionary development is marked by isolated episodes of rapid speciation between long periods of little or no change. where several unrelated species have evolved to share a similar characteristic. the diversification of a group of organisms into forms filling different ecological niches. Hard
Evolution Crossword (Beginner) new species appear. determines the rate of radioactive decay in an isotope (calculate the half-life). compare the placement with that of the fossils in the other layers of work. serve no useful functions, but they were once useful to their ancestors. structure that have different mature forms, but develop from the same embryonic tissues. Hard
Rabbit External Anatomy Special membrane on a rabbits eyelid.. The area between the ribs and stomach on a rabbit.. Rabbits have ______ vision.. Rabbits almost always breathe through their ___.. Does use their dewlap when they make a ___.. Hard
Energy By pacing low temputures on hot surfaces or objects starts what enery?. What enrgy is created by heat?. The standerd unit for potentail enrgy and work is what.. By spliting or joining atoms create what type of energy?. The gravitational potential energy = _____ times height.. Big
Circuit Allows or stops energy from flowing in a circuit.. Adjusting the variable resistor changes the current in the circuit.. Uses electrical energy to make a turning motion.. Wire that connects components together.. Provides energy to the circuit.. Older Children
Ecology interaction with an organism that captures and feeds on other organism . step in a food chain or web . organism that can capture energy from the sunlight or chemicals and use it to produce food from inorganic compounds. series of steps in an ecosystem where organisms transfer energy by eating and being eaten . collection of all organisms that live in a particular place. Hard
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