Spell. Upgrade to remove ads. PLAY. Quickly memorize the terms, phrases and much more. Browse. measurement system used to indicate the concentration of hydrogen ions (H+) in solution; ranges from 0 to 14. Cram.com makes it easy to get the grade you want! the sum of the number of neutrons and protons in an atomic nucleus, substance that speeds up the rate of a chemical reaction, A substance that cannot be broken down into simpler substances, A substance made up of atoms of two or more different elements joined by chemical bonds, the number of protons and electrons in the nucleus of an atom, A part of the cell containing DNA and RNA and responsible for growth and reproduction, the speed of an object in a particular direction, A graph with distance on the vertical axis and time on the horizontal axis, shows the speed of an object on the y-axis and time on the x-axis, forces acting on an object that combine and form a net force of zero, A measure of the force of gravity on an object, A force that opposes motion between two surfaces that are in contact, resistance by friction from air or water moving over a surface, the amount of force exerted per unit area of a surface, Potential energy that depends on the height of an object. Start studying science. Learn science with free interactive flashcards. a substance or molecule that participates in a chemical reaction. a process that uses observation & investiagtion to gain knowledge about regularities in nature, what science investigates earth and space, what is a well organized procedure that tests and idea, what is a prediction or explanation that can be tested by experimentation, something that represents an Idea or object to help people better understand it, factors that remain constant in an experiment, which variable is changed in the experiment, they are attempts to explain natural phenomena, what is affected by the independent variable in an expiriment, explanations of natural phenomena supported by large amounts of data are called, what occurs when the expectations of a scientist change how the results of an expiriment are viewed, what is a rule that describes a pattern in nature, what is the application or science to help people, what is an exact quantity that people agree to use for comparison, what is a testable explanation to an observed phenomena, what factor remains fixed during an expiriment, a procedure performed in a controlled setting to test a hypthesis and collect precise data, how does serendipity play a role in scientific advancements, what graph would you use to compare data by counting, what graph would you use if you wanted to show percentage, why might there be a break in vertical axis on a line graph, what graph shows the relationship of variables changing over time. Cell division that produces reproductive cells in sexually reproducing organisms. … Start studying science. Quizlet for Teachers: - Help your students learn and study - Make flashcards for any topic - Help students learn foreign languages, science, math, coding and more Quizlet is the best flashcards app to help you study and learn! science. Match. Log in Sign up. make (a liquid) thinner or weaker by adding water or another solvent to it. STUDY. Create your own flashcards and study sets or choose from millions created by other students — it’s up to you. Study Science … Biology, Chemistry, Physics Learn with flashcards, games, and more — for free.
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