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
Cell Terms	Science	Terms for your science.	Convert light energy into glucose. Cellular ____. A cell made up of fats, oils, and waxes. Stores water and nutrients . Creates lipids.
Cell Theory	Science		Stores food, wastes, water, enzymes, secretions, and minerals. A group of specialized cells working together to perform a function in a many celled organism. Location where the proteins are made that will remain in the cell. A set of three statements that sums up the relationship between cells and living things. Single organism.
Cell Theory & Cell Structure	Body		a microscope of extremely high power that uses beams of electrons instead of rays of light. . an example of eukaryotic cells.. organelle composed of numerous membranes that are used to convert solar energy into chemical energy.. organism made up of only one cell.. first to observe cells..
Cell Theory & Cell Structure	Biology		organelles that carry out photosynthesis. the first to identify cells, and he named them. fluid filled sac used for storage of materials needed by a cell. have a nucleus and other membrane bound organelles. surfaces of the ER that do not contain ribosomes .
Cell Vocabulary	Health		organelle found in plant cells that uses light energy to produce energy. membrane bound spaces used for temporary storage of materials. make proteins the cell needs to survive. makes lipids and do not have ribosomes attached to them. makes proteins and have ribosomes attached to them.
Cell Vocabulary	Health		plant cell organelle that uses the sun for energy. found in plant cells; temporary storage of materials. makes lipids and does not have ribosomes attached to them. makes proteins and has ribosomes attached to them. chlorophyll, chloroplast, cell wall.
Cellphones	Technology		you press it when you text. another word for weightless. where you store your numbers. you look at it when you text. unsocialable.
Cells	Body		organelles in plants that produce the green color. several cells that look similar and do the same job. made of strands of DNA. the building blocks of life. controls what enters and leaves the cell.
Cells	Biology		In plants, this organelle is very large. They are storage areas for food, water or waste.. This organelle is the outer part of the nucleus and has little pores to let good things in and keep bad things out.. The DNA strands that float inside of the nucleus.. These tiny organelles make proteins.. This organelle is the center of the cell and acts as the 'brain.'.
Cells	Body		Magnifies by focusing beams of electrons.. Fluid-filled area of the cell used for storage.. Surrounds the nucleus and has pores that allows things to enter/leave the nucleus.. Loose, uncoiled DNA that is stretched out so the cell can 'read' the DNA. Present in the nucleus.. Produces lipids and breaks down toxic substances..
Cells	Body		Like a small factory that manufactures proteins. Building blocks for a variety of structures in the cell. The control centre. Controls what comes in and out of the cell. Energy producers in the cell.
Cells	Science		a green structure in a plant cell where food is produced. a sac-like space in a cells cytoplasm fo storing materials such as food or waste. cells that contain a nucleus and organelles (all cells except for bacteria). long strand in the nucleus that stores directions for cell activities- act as blueprints for transferring info. a small organelle composed of cytoplasmic granule, sites of protein synthesis (manufacture).
Cells	Body		traps energy from the sun. stores water. molecule that contains a carbohydrates. process by which insoluble, non-digested particles are eliminated by the cell.. process by which substances that are synthesized by the cells are expelled from the membrane.
Cells	Science		green pigment that makes plants green. the centeral location for the cell. the 'brain' of the cell; the information center. provides protein for the sell. the barrier between the inside and outside of a cell.
Cells	Biology		Site of photosynthesis. The cell walls of fungi are made up of this. Storage blob in plant cells. Type of fermentation used in muscle cells: ______ acid. Macromolecule made of fats and oils.
Cells	Body		to convert sunlight, water and carbon dioxide into food for the plant.. have no ribosomes; acts as a storage area for protein that will later be exported out of the cell. Produces proteins.. collects simple chemicals in the cell and assembles them into large, complex structures such as proteins.. condensed form of DNA; made up of DNA and protein.
Cells	Body		Makes plants food. Makes up all living things. Transports materials out of the cells. The type of cell we are made up of. Protects the Nucleolus.
Cells	Body		Not requiring, or capable of occurring, in the absence of air or free oxygen.. Middle portion of the chromosome that spindles attach to during mitosis.. Stage of mitotic cell division in which the chromosomes move away from one another to opposite poles of the spindle.. Strand of DNA encoding with genes, present during mitosis. Simple sugar with the molecular formula C6H12O6.
Cells	Science		Makes leaves green.. Contain genetic information. . The basic units of structure and function in living things. . Their job is to produce proteins.. Tiny cell structures that carry out specific functions. .
Cells	Body		A process by which the contents of a cell vacuole are released to the exterior.. The process of spontaneous passive transport of molecules or ions across a cell's membrane.. Fatty acids that do not dissolve in water.. Movement of a substance from one area of higher concentration to an area of lower concentration.. Movement through a cell membrane without using engery..
Cells	Biology		An organelle that consists of chlorophyll.. A space within the cytoplasm of a cell surrounded by a membrane and usually contains fluid.. A group of specialized cells that hold a similar structure and function.. A cell membrane that lets certain molecules to pass through it. . A term used to describe biotic elements made of one cell. .
Cells	Body		a network of filaments and tubes inside a cell. the ___ is the powerhouse of the cell. something that only reacts to a specific signal. a fundamental law of cells. synthesizes enzymes and lipids inside a cell.
Cells	Biology		captures the light energy from the sun to make food. stores substances such as food, water and waste products. the basic unit of life. the smallest particle of an element that still has the properties of that element. information and control center of the cell.
Cells & Mirco-scopes	Science		Makes plant cells green. Stores food, water and waste in a cell. Someone who made cells. Cells produced by males. Platform where you put something you want to see under a microscope on.
Cells & Organelles	Biology		when particles are enclosed in a vesicle and released from the cell. movement of particles across a cell membrane without the use of energy. a scientific theory that describes the characteristics of a cell and organisms. the smallest unit of living matter. a structure made up of a collection of tissues that carry out a specialized function.
Cells and Body Systems	Body		convert light and energy from the sun. storage bubbles found in cells. large mass of similar cells. smallest unit of life. self contained with vital function.
Cells and Chromosomes	Biology		Like a storage area in the cell.. Produce proteins for the cell and for export.. The packaging center of the cell.. The place where chromosomes stay.. This structure surrounds the cytoplasm and acts like a gate..
Cells Cells Cells Cells	Health		organelles found in plant or eukaryotic cells . assemblers of eukaryotic cells. helps digest your food. also known as 'tiny organs'. 1. all living things have cells 2. cells come from other cells 3.cells are the baisic unit of life.
Cells, Bones, and Muscles	Body		Commonly known as the kneecap. You exercise this muscle by doing a pull up. Powerhouse of the cell. The muscles in your butt. Connects Bone to Bone.
Cells, Cell Division and the Cell Cycle	Biology	Using terms that we have learned so far in our Biology unit, fill in the crossword puzzle below.	This structure separates the inside of the cell from the external environment.. This organelle is the powerhouse of the cell. It produces energy the cell can use. . Cells divide because there is a ____________ to how big they can grow. . The first step in the cell division stage of the cell cycle that has 4 phases. . Cell division sometimes occurs to ____________ injured or damaged cells. .
Cells, Skells and the Muscles	Body		It is not funny when you hit me.. some say my name sounds like nutella.. This part is semi-permiable so things can pass through it.. I am the smallest bone in the body.. commonly reffered to as the 'power house' of the cell..
Cellular Growth	Body	Read the clues closely, and find the term in the word bank that best matches the clue.	label for a cell's length. what cells need to expel as they grow. cell parts that make up the cell's volume. volume _____________________ more quickly as a cell grows. surface area increases more _____________________ than volume.
Cellular Respiration	Body		How many ATP molecules are made in glycolysis. Producing ATP in the presence of Oxygen . An enzyme that makes ATP when hydrogens are rushing through. Second step of cellular respiration. How many ATP are produced by the Kreb cycle for each molecule of glucose?.
Cellular Respiration	Body		Type of energy released when glucose is broken down. The substance that yeast produces when oxygen is not avaliable . Six carbon molecule that is broken-down to create ATP. One carbone gaseous molecule . Gaseous molecule required for aerobic repiration.
Cellular Respiration	Body		_____ means withour oxygen.. In glycolosis, how many ATP molocules are created?. The_____ _____ is one of the main stages in aerobic respiration.. When pyruvate enters the mitochondria, _____ _____ is removed.. In Energy Generation, ATP adds and takes away Phosphate..
Central and Southern Africa	World Geography		Mandela and de Klerk won this prize for ending apartheid.. One of the largest black ethnic groups in South Africa.. An area of the Congo covered in savanna.. South Africans were banned from these athletic events during apartheid.. At a ____ plant, electricity is generated by flowing water..
Ceramic	Art	Art	Clay is heated. Coloured slip applied to clay. Bowls,plates,cups. Decoration technique. Ball of clay.
Ceramic	Art	Find each word	ceramic ware that hasn't been fired. the process of heating the pottery to a specific temperature in order to bring about a particular change in the clay or structure. a glass-like surface coating for ceramics that is used to decorate and seal the pores of fired clay . this is the technique of building ceramic forms by rolling out coils, or ropes, of clay and joining them together with the fingers or a tool . ceramic ware that has been fired once without glaze .
Cerebral Palsy	Health		What might CP affect in the brain?. What was CP first called?. What type of CP is least common?. What percentage of CP is caused after birth?. Who has credit for using the term 'Cerebral palsy'?.
Cerebral Palsy	Health		splinting of the uninvolved limb. another name for white matter damage. rarest form of CP. These infants are most at risk. . supports body weight during walking on treadmill.
Chainsaws	Other		must apply this to stop chain from spinning. directs exhaust (fuel waste) away from operator. adjusts fuel mixture for easier cold starting. drives the cutting unit. part of chain that cuts wood.
Chairside Instruments	Health		To see patient mouth. To smooth amalgam down. To remove carious dentin. To smooth amalgams and place temp.mater,. To place dycal.
Changes In Matter	Physics		Molecules are touching and losely flowing pass eachother no fixed position . Heat is being given off. Heat is being taken in. A change in the form of a substance but not in the chemical makeup. Any change that creates a new chemical substance.
Changes Over Time	Earth Sciences		a type of fossil that forms when a mold becomes filled in with minerals that then harden. a technique used to determine the actual age of a fossil on the basis of the amount of a radioactive element it contains. term used to indicate a species that does not have any living members. a technique used to determine which of two fossils is older. the theory that species evolve during short periods of rapid change.
Changes Over Time Vocabulary	Science		to adapt to a special environment.. distinct sort or kind.. the position or function of an organism in a community of plants and animals.. an organ or body part that appears in different animals and is similar in structure.. in which one symbiont lives with in the body of the other. .
Chapter 1: Introduction to Cognitive Psychology	Society	Complete the crossword puzzle below.	Study of psychology that believes that human behavior can be understood based on how people think. Probability of some result from a statistical test occurring by chance. Method that involves observing subjects unaltered behavior in his normal environment . Specific, testable prediction about what you expect to happen in your study. School of Psychology that is concerned with understanding the elements of the mind through its components.
Chapters 1-3 Weather & Climate	Science	Science Vocabulary	Water in the form of a gas; found in the atmosphere. An instrument used to measure air pressure. Central Plains region of the U.S. that has more tornado formations than anywhere on Earth. Cloud type that form in flat layers and are a dull, gray color. Rapidly spinning, funnel-shaped cloud that reaches from a storm cloud down to Earth.
Characters	Books	To Kill a Mocking Bird	atticus' sister. scouts brother. Scout’s politeness compels him to disperse the men at the jail. father of the poorest family in maycomb. pretends to be a drunk.
Charles Darwin	History		the origin of this species is obvious by its shell. Darwin had a degree in this field. inherited differences from parents. theory of evolution by natural selection. over time a population can be modified enought to produce _?_.
Charlotte Museum of History	Entertainment	Crossword Puzzle	A person who loves, supports, and defends their country.. A plant used to make thread and cloth called linen.. A road that began in Philadelphia, passed through Charlotte, and then continued on into Georgia. Many people traveled down this road during the 1700s looking for a new place to live.. A group of people who settle in a faraway land but are still ruled by the country they came from.. A person who was owned by another person and usually used for hard labor. Slaves were not paid for the work they did..
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