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Volume 4 ALL Units
Updated 4h ago
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1. Solid → Liquid is called: A) Freezing B) Melting (Answer: B) C) Condensation D) Sublimation 2. Liquid → Gas is called: A) Condensation B) Freezing C) Evaporation (Answer: C) D) Deposition 3. Gas → Liquid is called: A) Melting B) Condensation (Answer: B) C) Sublimation D) Evaporation 4. Solid → Gas is called: A) Evaporation B) Freezing C) Sublimation (Answer: C) D) Deposition 5. Which state of matter has the least energy? A) Gas B) Plasma C) Liquid D) Solid (Answer: D) 6. Which state of matter has a definite volume but no definite shape? A) Solid B) Liquid (Answer: B) C) Gas D) Plasma 7. Which state of matter has the most energy? A) Solid B) Liquid C) Gas D) Plasma (Answer: D) 8. A bond between a metal and a nonmetal is: A) Covalent B) Ionic (Answer: B) C) Metallic D) Hydrogen 9. A bond between two nonmetals is: A) Ionic B) Covalent (Answer: B) C) Metallic D) Nuclear 10. Mg₃N₂ is: A) Covalent B) Ionic (Answer: B) C) Neither D) Both 11. Which compound is covalent? A) NaCl B) MgO C) CO₂ (Answer: C) D) CaBr₂ 12. Ionic bonds form when electrons are: A) Shared B) Transferred (Answer: B) C) Destroyed D) Created 13. A + B → AB is which reaction type? A) Decomposition B) Single replacement C) Synthesis (Answer: C) D) Combustion 14. AB → A + B is which reaction type? A) Synthesis B) Decomposition (Answer: B) C) Double replacement D) Combustion 15. AB + CD → AD + CB is: A) Single replacement B) Decomposition C) Combustion D) Double replacement (Answer: D) 16. A hydrocarbon reacting with oxygen to form CO₂ and H₂O is: A) Synthesis B) Combustion (Answer: B) C) Decomposition D) Replacement 17. When balancing chemical equations, you may change: A) Subscripts B) Element symbols C) Coefficients (Answer: C) D) Charges 18
Updated 4d ago
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Addition,The process of combining two or more numbers to find their total sum. (Indicator Words: sum, total, combined, plus) Addend,A number that is added to another number (or numbers) to find the sum. Algebraic Expression,A mathematical phrase that contains at least one variable and NO equal sign (e.g., 2x + 5). Algebraic Equation,A mathematical statement that shows two expressions are equal to each other (e.g., 2x + 5 = 11). Algorithm,A set of well-defined, step-by-step procedures or instructions for solving a problem. Area,The amount of two-dimensional space a shape covers, measured in square units. Associative Property,The way numbers are grouped in an addition or multiplication problem does not change the result (e.g., (a + b) + c = a + (b + c)). Circumference,The distance around the outside of a circle (its perimeter). Coefficient,The number multiplied by the variable in an algebraic term (e.g., in 7x, the coefficient is 7). Common Factors,Factors that are shared by two or more numbers. Commutative Property,The order of the numbers in an addition or multiplication problem does not change the result (e.g., a + b = b + a). Composite Number,A whole number greater than 1 that has more than two factors. Constant,A value in an expression or equation that does not change. Decimal,A number that uses a decimal point to represent a part of a whole. Diameter,The distance across a circle that passes through the center point. Difference,The result obtained when one number is subtracted from another. Dividend,The number that is being divided in a division problem. Division,The process of splitting a number into equal parts or groups. (Indicator Words: quotient, divided by, split) Divisor,The number you are dividing by in a division problem. Exponent,A small number indicating how many times the base number should be multiplied by itself. Factor,A number that divides another number exactly without leaving a remainder. Formula,A mathematical rule or principle expressed in numbers and symbols. Fraction,A numerical quantity that is not a whole number, represented as a numerator over a denominator. Greater Than (and sign),The first number is larger than the second number. Sign: > Greater Than Or Equal To (and sign),The first number is either larger than or the same as the second number. Sign: ≥ Greatest Common Factor (GCF),The largest factor that two or more numbers share. Integer,All whole numbers (positive and negative) and zero (e.g., ... -2, -1, 0, 1, 2...). Inverse Operation,An operation that reverses the effect of another operation (e.g., addition is the inverse of subtraction). Irrational Number,A real number that cannot be expressed as a simple fraction, and its decimal is non-terminating and non-repeating (e.g., π). Least Common Multiple (LCM),The smallest positive number that is a multiple of two or more numbers. Less Than (and sign),The first number is smaller than the second number. Sign: < Less Than Or Equal To (and sign),The first number is either smaller than or the same as the second number. Sign: ≤ Lowest Common Multiple (LCM),Same as Least Common Multiple. Minuend,The number from which another number is subtracted. Multiplication,The process of repeated addition. (Indicator Words: product, times, multiplied by, factor of) Not Equal To (and sign),The two numbers or expressions do not have the same value. Sign: ≠ Numeric Expression,A mathematical phrase that contains only numbers and operation symbols and NO equal sign. Numeric Equation,A mathematical statement that shows two numeric expressions are equal to each other (e.g., 4 + 5 = 9). Order of Operations,The set of rules used to solve mathematical expressions (PEMDAS). Perimeter,The distance around the outside of a two-dimensional shape. Pi ($\pi$),The ratio of a circle's circumference to its diameter, approximately 3.14159... Prime Factor,A factor of a number that is also a prime number. Prime Number,A whole number greater than 1 that has only two factors: 1 and itself. Product,The result obtained when two or more numbers are multiplied. Quotient,The result obtained when one number is divided by another. Radius,The distance from the center point of a circle to any point on its edge. Rational Number,Any number that can be expressed as a fraction p/q, including all integers, terminating, and repeating decimals. Real Number,Any number that can be found on the number line (includes all rational and irrational numbers). Remainder,The amount left over when one number cannot be divided exactly by another. Square Root (and sign),A number that, when multiplied by itself, gives the original number. Sign: $\sqrt{}$ Subtraction,The process of taking one number or amount away from another. (Indicator Words: difference, less than, minus, decreased by) Subtrahend,The number that is being subtracted from the minuend. Sum,The result obtained when two or more numbers are added. Variable,A letter or symbol that represents an unknown value in an algebraic expression or equation. Volume,The amount of three-dimensional space an object occupies, measured in cubic units. Whole Number,Any of the non-negative integers (0, 1, 2, 3, 4, ...). Addend,A number that is added to another number (or numbers) to find the sum. Algebraic Expression,A mathematical phrase that contains at least one variable and NO equal sign (e.g., 2x + 5). Algebraic Equation,A mathematical statement that shows two expressions are equal to each other (e.g., 2x + 5 = 11). Algorithm,A set of well-defined, step-by-step procedures or instructions for solving a problem. Area,The amount of two-dimensional space a shape covers, measured in square units. Associative Property,The way numbers are grouped in an addition or multiplication problem does not change the result (e.g., (a + b) + c = a + (b + c)). Circumference,The distance around the outside of a circle (its perimeter). Coefficient,The number multiplied by the variable in an algebraic term (e.g., in 7x, the coefficient is 7). Common Factors,Factors that are shared by two or more numbers. Commutative Property,The order of the numbers in an addition or multiplication problem does not change the result (e.g., a + b = b + a). Composite Number,A whole number greater than 1 that has more than two factors. Constant,A value in an expression or equation that does not change. Decimal,A number that uses a decimal point to represent a part of a whole. Diameter,The distance across a circle that passes through the center point. Difference,The result obtained when one number is subtracted from another. Dividend,The number that is being divided in a division problem. Division,The process of splitting a number into equal parts or groups. (Indicator Words: quotient, divided by, split) Divisor,The number you are dividing by in a division problem. Exponent,A small number indicating how many times the base number should be multiplied by itself. Factor,A number that divides another number exactly without leaving a remainder. Formula,A mathematical rule or principle expressed in numbers and symbols. Fraction,A numerical quantity that is not a whole number, represented as a numerator over a denominator. Greater Than (and sign),The first number is larger than the second number. Sign: > Greater Than Or Equal To (and sign),The first number is either larger than or the same as the second number. Sign: ≥ Greatest Common Factor (GCF),The largest factor that two or more numbers share. Integer,All whole numbers (positive and negative) and zero (e.g., ... -2, -1, 0, 1, 2...). Inverse Operation,An operation that reverses the effect of another operation (e.g., addition is the inverse of subtraction). Irrational Number,A real number that cannot be expressed as a simple fraction, and its decimal is non-terminating and non-repeating (e.g., π). Least Common Multiple (LCM),The smallest positive number that is a multiple of two or more numbers. Less Than (and sign),The first number is smaller than the second number. Sign: < Less Than Or Equal To (and sign),The first number is either smaller than or the same as the second number. Sign: ≤ Lowest Common Multiple (LCM),Same as Least Common Multiple. Minuend,The number from which another number is subtracted. Multiplication,The process of repeated addition. (Indicator Words: product, times, multiplied by, factor of) Not Equal To (and sign),The two numbers or expressions do not have the same value. Sign: ≠ Numeric Expression,A mathematical phrase that contains only numbers and operation symbols and NO equal sign. Numeric Equation,A mathematical statement that shows two numeric expressions are equal to each other (e.g., 4 + 5 = 9). Order of Operations,The set of rules used to solve mathematical expressions (PEMDAS). Perimeter,The distance around the outside of a two-dimensional shape. Pi ($\pi$),The ratio of a circle's circumference to its diameter, approximately 3.14159... Prime Factor,A factor of a number that is also a prime number. Prime Number,A whole number greater than 1 that has only two factors: 1 and itself. Product,The result obtained when two or more numbers are multiplied. Quotient,The result obtained when one number is divided by another. Radius,The distance from the center point of a circle to any point on its edge. Rational Number,Any number that can be expressed as a fraction p/q, including all integers, terminating, and repeating decimals. Real Number,Any number that can be found on the number line (includes all rational and irrational numbers). Remainder,The amount left over when one number cannot be divided exactly by another. Square Root (and sign),A number that, when multiplied by itself, gives the original number. Sign: $\sqrt{}$ Subtraction,The process of taking one number or amount away from another. (Indicator Words: difference, less than, minus, decreased by) Subtrahend,The number that is being subtracted from the minuend. Sum,The result obtained when two or more numbers are added. Variable,A letter or symbol that represents an unknown value in an algebraic expression or equation. Volume,The amount of three-dimensional space an object occupies, measured in cubic units. Whole Number,Any of the non-negative integers (0, 1, 2, 3, 4, ...)l
Updated 5d ago
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Volume 4 ALL URT
Updated 6d ago
flashcards Flashcards (61)
Cell theory organisms are composed of 1+ cells, which are the smallest unit of life, which come from pre-existing cells What do Prokaryotic Cells have? - Cell wall - Plasma Cell membrane -Flagella -Ribosomes -Nucleoid Cell Wall made of of carb protein complex, PEPTIOGLYCAN, allows for cell to hold shape Plasma Membrane Controls movement of materials in and out of cells, plays role in binary fission Cytoplasm -occupies interior, no compartmentalization, site of all chemical processes in the cell -Region where organelles can be found Capsule some, not all have this, made of polysaccharide, sticky and allows for attachment to surfaces Pili short hair growth on cell wall, used for attachment, joins bacteria cells to prep for DNA transfer Flagella longer than pili, used for movement Ribosomes where protein synthesis occurs, in big numbers in cells that require high protein content Nucleoid Region non-compartmentalization and has a single long thread of DNA, controls cells and reproduction Plasmids small circular DNA molecules, not connected to main loop Binary Fission the simple cell division, process where DNA is copied and the daughter chromosomes become attached to different regions on the membrane, cell elongates and divides into 2 identical daughter cells Microscope DOs -careful -proper carrying -using for intended purpose Microscope Don'ts -squinting -carrying with one hand -using coarse focus knob on high power -leaving at edge of lab bench Characteristics of Prokaryotic Cells -DNA is circular, not enclosed -Free DNA -Non-membrane bound organelles -70s ribosomes -Very small -Division by binary fission SURFACE AREA TO VOLUME RATIO does what? What does this do? Limits cell size, the bigger this ratio, the more efficient it is for the diffusion to take place in and out of the cell. Differentiation process whereby cells develop into specific cells as a result of the expression of certain genes but not others What are stem cells? Cells that retain their ability to divide into various types of cells. What type of tissue in plants contains stem cells? Meristematic tissue. Where are stem cells found in animals? In embryos. Cytosol Fluid portion of cytoplasm What is the endoplasmic reticulum? An extensive network of tubules and channels that extends almost everywhere from the nucleus to the plasma membrane. What is the function of the endoplasmic reticulum? Transports materials throughout the internal region of the cell. Rough ER has ribosomes on its surface and is therefore involved in protein development and transport. Smooth ER lacks ribosomes on its exterior but contains unique enzymes embedded on its surface. 6 functions of the smooth ER 1. production of membrane phospholipids and cellular lipids 2. Production of sex hormones such as testosterone and estrogen 3. Detoxification of drugs in the liver 4. Storage of calcium ions needed for contraction in muscle cells 5. Transportation of lipid-based compounds 6. Aid the liver in releasing glucose into the bloodstream when needed What are ribosomes? Structures that have no exterior membrane What is the primary function of ribosomes? Carry out protein synthesis What are ribosomes composed of? A type of RNA and a protein How many subunits do ribosomes have? Two subunits What are lysosomes? Intracellular digestive organelles that arise from the Golgi apparatus. What do lysosomes catalyze the breakdown of? Proteins, nucleic acids, lipids, and carbohydrates. Golgi apparatus Responsible for the collection, packaging, modification, and distribution of materials synthesized in the cell Two sides : cis and trans cisternae Golgi apparatus is composed of a stack of flattened sacs called this What shape are mitochondria? Rod-shaped What are mitochondria commonly referred to as? The cell's powerhouse Do mitochondria have their own DNA? Yes, it is similar to that of bacterial cells What type of membrane do mitochondria have? Double-membraned How is the outer membrane of mitochondria described? Smooth What are the folds in the inner membrane of mitochondria called? Cristae matrix Inside the mitochondria inner membrane is fluid called this What is the function of the cristae in mitochondria? The cristae provide a huge internal surface area for the chemical reactions in the mitochondria to occur. What type of ribosomes do mitochondria produce and contain? Mitochondria produce and contain their own ribosomes. What is the primary energy molecule produced by mitochondria? ATP (adenosine triphosphate). What is the nucleus? A compartmentalized region where DNA can be found. What is the nuclear envelope? A double membrane that covers the nucleus. What do the pores in the nuclear envelope allow? Communication with the cell's cytoplasm. What are chloroplasts? Organelles that can only be found in algae and plant cells. What type of membrane do chloroplasts have? Double-membraned. What unique genetic material do chloroplasts contain? Their own ribosomes and DNA in the form of a ring. What structures are found in the interior of chloroplasts? Grana, thylakoids, and the stroma. Granum made up of a stack of thylakoids Thylakoids flattened membrane sacs with components essential for the absorption of light Stroma similar to cytosol; contains many enzymes and chemicals essential to complete the process of photosynthesis What is a centrosome? A structure that consists of a pair of centrioles at right angles to one another. What is the function of centrioles in the centrosome? They are involved in assembling the microtubules necessary for providing structure and movement in the cell. Why are microtubules important for cells? They are necessary for cell division. In which types of cells are centrosomes found? Centrosomes are found in animal, fungal, and most protoctist cells, but not in higher plant cells. What are vacuoles? Storage organelles that usually arise from the Golgi apparatus. What substances do vacuoles store? Potential food, metabolic wastes and toxins, and water. How do vacuoles affect cell size? They allow cells to have a higher surface area to volume ratio even at larger sizes. What role do vacuoles play in plant cells? They allow the uptake of water to provide rigidity to the cell.
Updated 7d ago
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pulmonary volumes
Updated 8d ago
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