Hard Crossword Puzzles

Hard Crosswords

These crosswords are intended to be pretty hard to complete. They are made up of more than 20 words of any size. To view or print a hard crossword puzzle click on its title.

Title	Subject	Instructions / Description	Sample Puzzle Hints
SAT Vocabulary Practice	Spelling Lists		calm; peaceful. narrow-minded, prejudiced person. harmful; poisonous; lethal. very talkative. confidently optimistic and cheerful.
Saturn	Science		International Space Station Abbreviation. __________ takes approximately 60 minutes to travel from Saturn to Earth. The moons which stabalise the F ring of Saturn are called as __________. This moon has a huge crater that inspired its nickname, the “Death Star” moon. (The Death Star was a space station of the evil Empire in the movie Star Wars.). The most remote planet in ancient times.
Saving and Investing	Business and Work		spreading of investments among several different types of accounts to lower overall risk. private retirement plan that taxes income before it is saved, but which does not tax interest on that income when funds are used upon retirement. certificates issued by the U.S. Treasury in exchange for minimum amounts of $1,000 and maturing in 1 to 10 years. account that pays relatively high rates of interest, requires a minimum balance, and allows immediate access to money. decrease in value of an asset or bond from the time it was bought to the time it was sold.
Scarlet Letter	Books		Who wrote The Scarlet Letter?. Where do Hester and Dimmesdale meet in secret. What color is the 'A' that Pearl constructs?. Why does Dimmesdale harm himself?. In what town does the story take place?.
Scarlet Pimpernel	Television		Name of Sir Percy's ship. The author's nationality . Popular form of execution. Having a secret double life. How the French people addressed each other.
Schizophrenia	Health		Changes in neuronal events and mechanisms that result in the characteristic symptoms of a behaviour or mental disorder.. Psychotic behaviours are ___ symptoms.. A model, which explains mental disorders as the result of an interaction between biological and environmental influences.. Refers to the extent that two or more conditions or diseases occur simultaneously in a patient.. Multiple symptoms of different kinds of schizophrenia.
Schizophrenia	Mental Health		Type of schizophrenia symptoms that are the presence of inappropriate behavior.. When a person appears to lack any emotion at all.. A type of psychosis that is caused by a head injury or illness affecting the brain.. One of the symptoms of psychosis; Mood disorder that causes feelings of sadness and loss of interest.. False beliefs; When a person cannot tell what is real from what is imagined..
School	School		name for building for teaching students. a place where students gather to eat. the learning process to attain knowledge for future. it is the printed work consisting of pages bound in cover . a book or chart of maps.
School Rocks!	Other		one of the three periods of time that the school or university year is divided into . a state school in Britain for children over the age of 11 of different abilities . worthless or not likely to have any useful result . to be unable to escape from a bad or boring situation . to be sure that you can do things well, that people like you .
Science	Science		an object in orbit of a planet is a .................... making electricity by using water. how many years does it take to replace a resource for it to be classified as renewable. coal and oil are types of ............... (2 words, no space in between). inside a turbine is a coil of wire and a .............
Science	Science		the energy needed to change a liquid to a gas. the property of a liquid that describes how it pours. the state of matter having a constant volume but no definite shape. a solid material having a regular repeating geometric form characteristic of a given compound or element. th evolume of a gas increases os its temerature increases if the temperature remains constant.
Science	Science		A fluids resistance to flow. Matter with a definite volume but takes the shape of its container. The molecules pass each other but don't break. How much force gravity is pulling an object. The smallest unit of an element that still maintains the properties of that element . Energy is gained so the substance can change shape.
Science	Science		10x10=100. 10x40=400. used to contoll amount of light shining through specimen. used for finer details. where you place specimen or slide.
Science	Science		A copy of an object formed at the point where light rays actually meet. . The angle a ray bounces off makes a line perpendicular to a surface it strikes. . A mirror with a flat surface.. The point at which rays parallel to the axis of a mirror or lens meet or appear to meet. . An eye condition in which distant objects are blurry..
Science	Science		movement of energy from one source to another. measures volume. the season when earth is tilted towards sun. copper is a good example of this. energy by position.
Science	Science		Atoms of the same element with different numbers of neutrons. Subatomic particle in the nucleus that has no charge.. Electrons occupy a particular _____ _____ around the nucleus.. The sharing of electrons between two non-metal elements. Combinations of substances which result in one or more new substances..
science	Science	Vocab	a sample matter,either a single element or a single compound, that has definte chemical and physical properties.. an element that has properties of both metals and nonmetals. a mixture in which particles of a material are more or less evenly dispersed throughout a liquid or gas. a mixture consisting of tiny particles that are intermediate in size between those in solutions and those in suspensions and that are suspended in a liquid solid or gas. n a solution, the substance that dissolves in the solvent.
Science	Science		a colored chemical compound that absorbs light. thread-like chromotin that condenses into rod structures. an organim that dose not make its own food. this means that some materials can pass through the membrane and others can not. the regular sequence of growth and division that cells undergo.
Science	Science		This organ stores white blood cells and allows them to mature.. Some white blood cells that were made in the bone marrow finish developing here.. This organ is like a tiny sack.. A fluid that is leaked out the cardiovascular system. . A organ found in the neck, groin, and armpit..
Science	Science		Process by which sediment settles out of the water or wind carrying it. Mineral that splits easily along flat surfaces. The look and feel of a rock's surface. Forms from the remains of plants and animals. Igneous rock formed from lava that erupted onto the Earth's surface.
Science	Science		Formed from cooling magma.. people who study rocks.. Images created using data from satellite that detects electromagnetic radiation from earth. Igneous rock formed below the surface of the earth.. A drilled sample or rock..
Science	Science		__ solution - A solution that contains a high amount of solute.. __ mixture - a mixture that is the same throughout.. A theory used to explain matter and heat transfer. It suggests that all matter is made up if tiny particles too small to be seen. These particles are constantly in motion because they have eneregy.. __ mixture - a heterogeneous mixture; in a mechanical mixture nat least two substances are visible.. Any solid, liquid, or gas that contains only one kind of particle throughout..
Science	Science		An interpretation based on observation and prior knowledge; a type of explanation.. Connects together facts and observations that the scientist decides are most important; tells HOW or Why an event occured. A forcast of what will happen in the future based on past experience or evidence.. A piece of lab equipment used to accurately measure the volume of a liquid.. A prejudice or opinion that prevents a person from viewing events objectively.
Science	Science		electrical charge of the nucleus. tiny particles that make up matter. this is equal to the number of protons and neutrons in an atom. neutrally charged atomic particle. atoms wtih extra electrons have a __ charge.
Science	Science		Atoms of the same element with different numbers of neutrons. Subatomic particle in the nucleus that has no charge.. Electrons occupy a particular _____ _____ around the nucleus.. The sharing of electrons between two non-metal elements. Combinations of substances which result in one or more new substances..
Science	Science		Language, beliefs, values, norms, behaviors, and material objects passed from one generation to the next. Language, values, beliefs, traditions are examples. Man who founded conflict theory. Freud's term for our inborn drives for self-gratification. Disorientation from experiencing a different culture.
Science	Science		the quality of matter that resists a change in motion. the idea that a prediction can be proven wrong.. an outside agent that acts to change a bodies motion. change in position divided by the time required to make the change.. describes the force betweeen two objects in contact with each other that are moving or attempting to move relative to each other.
Science	Science	Science study guide	In physics, the number of crests of a wave that move past a given point in a given unit of time. The most common unit of _________ is the hertz (Hz), corresponding to one crest per second.. The resistance of any physical object to any change in its state of motion; this includes changes to its speed, direction, or state of rest.. Each of several hierarchical levels in an ecosystem, comprising organisms that share the same function in the food chain and the same nutritional relationship to the primary sources of energy.. In chemistry, the statement that when atoms combine to form molecules they generally each lose, gain, or share valence electrons until they attain or share eight; also called Lewis rule of eight. . An effect whereby a mass moving in a rotating system experiences a force acting perpendicular to the direction of motion and to the axis of rotation. On the earth, the effect tends to deflect moving objects to the right in the northern hemisphere and.
Science	Science		Finely pulverized lava erupted from a volcanoe. Large block of Earth's crust. Point at which the eathquake occurs at. Magma that has reached gthe Earth's surface. Second waves to arrive and cannot travel through liquid.
Science	Science	Find the words	flat expanses of ground covered with salt and other minerals. to add air or oxygen into a liquid.. is the material that lies above an area that lends itself to economical exploitation. the second step in most waste treatment systems during which bacteria consume the organic parts of the wastes. a combustion device to burn associated, unwanted or excess gases and liquids released during normal or unplanned over-pressuring operation in many industrial processes.
Science	Science		the upper part of the mantle. the crack of the Earth. The crust for the ocean. the study of Earth. a clue that proves there was Pangea.
Science	Science		Saving energy. Fuels formed millions of years ago by the remains of prehistoric plants and animals. using plant matter to generate electricity. Using the power of the wind to generate electricity. Using the power of the sun to create heat or electricity.
Science	Science		Accessory organs include the liver, ___, and the gall bladder.. ___ digestion includes a series of actions whose purpose is to break down the chemical bonds in nutrients so that they can be absorbed into the bloodstream.. ___ digestion includes tearing and grinding of the teeth. Chemical digestion is accomplished by the digestive ___. Sphincters are found at the ___ in the digestive system.
Science	Religion		Is a material that is a poor conductor of heat.. Is equal to amount of energy needed to raise the temp of 1 g of water by 1 celsius.. Are energy resource made from carbon-rich plants and animal remains.. Is a measure of the average kinetic energy of all the particles in an objects.. Is the sum of an objects kinetic energy and potential energy..
Science	Science		Wegener's idea that the continents slowly moved over Earth's surface . Dark rock with a fine texture. The uppermost part of the mantle and the crust together form a rigid layer. A measure of how much mass there is in a volume of a substance. The soft layer.
Science	Science	Listen to all the clues to find the words	is the molten rock expelled by a volcano during an eruption. is the uppermost layer of the oceanic portion of a tectonic plate. The crust overlies the solidified and uppermost layer of the mantle. is the rigid, outermost shell of a terrestrial-type planet or natural satellite. Part of the wall surface of the induction manifold of a petrol engine on which the mixture impinges; heated by exhaust gases or coolant water to assist vaporization and distribution Science Dictionary: What is HOT SPOT? definition of HOT SPOT (Scienc. is an underwater mountain system formed by plate tectonics.
Science	Science	find all the science words in the cross word puzzle	a model that shows the path of energy from one living thing to the next. a living thing made up of one cell. the basic building block of living organisms. the basic frame work of the body. puffy,fair-weather clouds.
Science	Science	find the answer	the special, normal, or proper activity of an organ or part. a group of similar cells that perform a common function. is a system of folded membranes in which proteins, lipids are made. the smallest unit that can perform all needs of life. a collection of tissues that carry a specialized function of the body.
Science	Science		the application of science for practical purposes. a 'rule of nature' that descibes the behavior of matter and energy. a judgement based on reasoning from evidence. th eproposed answer to a questionor tentative solution to a problem; an educated guess based on observations. a group or activity that serves as standardof comparison for a change in an experiment.
Science	Science	Identify science words by the definitions provided.	an eclipse when moon is between earth and sun. moving in a fixed path around another object.. all the objects and energy in space. material where electricity difficult to flow . the amount of time for a planet to go around the sun one complete time.
Science	Science		It is the build up sediments.. A luminous point in the night sky.. Molten rock that erupts from the volcanoe.. To maintain something in its original or existing state.. Rock that came out of the earth ..
Science Crossowrd	Science		made up of instruments . study of life. hearing . measures weight. a conductor of which electromagnetic waves are sent out or received .
Science Fiction	Literature and Writing		a mysterious part of you in which is not the body, the soul. to cause to happen by strength or compulsion. very catious; on guard, watchful. a group of billiopns of stars held together by mutual gravitation. using the very great power made by spliting an atom or joining atoms in nuclear fission.
Science News	Science		hormone that reduces inflammation. along with sub-Saharan Africa, region that leads the world in premature babies. the end of a species. river in Nebraska that has dried up. ________ Base, landing site for first manned mission to the moon.
Science Project	Science	Discovering Cells	water-filled sac. a group of similar cells that work together to perform specific functions. single-celled . energy-rich organic coumpounds made of carbon, hydorgen, and oxygen. the basic units of structure and function in living things.
Science Terms	Science		the process whereby heat moves from one body or substance to another. metric unit of weight. exactness. the state of being undetermined or unknown. a graph, usually using temperature, pressure, and composition as coordinates, indicating the regions of stability of the various phases of a system .
Science Vocabulary	Spelling Lists		An area where living and non-living things interact.. The amount of mass per unit of volume.. How deep something is.. The total amount of dissolved salts in the ocean water.. Great rivers of water moving through the ocean..
Science vocabulary	Science		Contamination of air by smoke and harmful gases. precipitation(rain) containing relatively high concentrations of acid-forming chemicals. the gaseous envelope surrounding the earth; the air.. a colorless, odorless, incombustible gas, CO 2 . the air we breathe to survive.
Science Vocabulary	Science		Structures that preform specific functions. Unit that can preform all the processes necessary for life. Has an enclosed nucleus. Contains cells DNA. A protective layer.
Science Vocabulary	Science	Fill out the crossword by using the hints below.	diploid cell formed by the fusion of one egg and one sperm cell; develops into a new organism. a eurkaryotic cell that contains a complete set of chromosome pairs. haploid reproductive cell produced by the male reproductive organs. a form of reproduction; combining genetic material in two different cells; producing an offspring. eukaryotic cell containing only one chromosome from each chromosome pair .
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