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Definition
| Dispenses exact amounts of a liquid. Used in our acid & base lab. |
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Definition
| Used to measure mass electronically. Can be tared (zeroed) easily. |
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Definition
| Sloped sided flask used to hold liquids. |
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Definition
| Round ball bottom glassware that holds fluid. |
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Definition
| An electronic device to detect and measure current, voltage, and resistance. |
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Definition
| A possible explanation for a set of observations; answer to a scientific question. |
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Definition
| The one factor that a scientist changes in an experiment. |
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Definition
| The factor that changes as a result of changes to the manipulated (independent) variable in an experiment. |
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Definition
| An experiment where only one variable is changed at a time. |
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| A statement that describes what scientists expect to happen every time under a particular set of conditions. |
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| A well-tested explanation for a wide range of observations or experimental results. |
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| Anything that has mass and takes up space. |
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Definition
| A pure substance that cannot be broken down into other substances by chemical or physical means. |
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Definition
| A measure of the force of gravity on an object. |
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Definition
| The amount of matter in an object or substance. |
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Definition
| The amount of space an object takes up. |
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Definition
| The ratio of the mass of a substance to its volume. |
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Definition
| A change in a substance that does not change its identity. |
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Definition
| A change in which one or more substances combine or break apart to form new substances. |
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Definition
| A state of matter that has a definite shape and definite volume. |
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Definition
| A state of matter that has no definite shape but has a definite volume. |
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Definition
| A substance that can easily flow. |
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Definition
| The change from a solid into a liquid state. |
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Definition
| The change from a liquid into a solid state. |
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Definition
| The change of state from a liquid to a gas. |
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Definition
| The change of state from a liquid to a gas. |
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Definition
| The change of state from a gas to a liquid. |
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Definition
| The change of state directly from a solid to a gas. |
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Definition
| The basic particle from which all elements are made. |
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Term
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Definition
| The number of protons in the nucleus of an atom. |
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Definition
| A negatively charged particle that is found outside the nucleus of an atom. |
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Term
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Definition
| A small particle in the nucleus of the atom with no electrical charge. |
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Definition
| The central core of the atom containing protons and usually neutrons. |
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Term
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Definition
| A positively charged particle that is part of an atom's nucleus. |
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Definition
| An atom with the same number of protons and a different number of neutrons from other atoms of the same element. |
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Definition
| Elements in the same vertical column of the periodic table; also called a family. |
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Definition
| A horizontal row of elements in the periodic table. |
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Definition
| A chart of the elements showing the repeating pattern of their properties. |
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Definition
| A one or two-letter representation of an element. |
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Definition
| A class of elements characterized by physical properties that include shininess, malleability, ductility, and conductivity. |
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Definition
| An element that has some characteristics of both metals and nonmetals. |
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Definition
| An element that lacks most of the properties of a metal. |
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Definition
| The spontaneous emission of radiation by an unstable atomic nucleus. |
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Definition
| An atom which has gained or lost electrons; will have a + or - charge. |
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Definition
| A formula that gives the atoms in a compound and their ratio. |
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Definition
| A group of atoms formed from covalent (electron sharing) bonds. |
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Definition
| On the left side of an equation--shows the substances that react with each other. |
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Definition
| On the right side of an equation--shows the substances produced during the reaction. |
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Definition
| A substance that tastes sour, reacts with metals and carbonates, and turns blue litmus red. |
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Definition
| A substance that tastes bitter, feels slippery, and turns red litmus paper blue. |
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Definition
| A range of values used to express the concentration of hydrogen ions in a solution. |
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Definition
| A form of the element carbon in which the atoms are arranged in a crystal structure. |
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Term
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Definition
| A form of the element carbon in which a carbon atom is bonded tightly to three other carbon atoms in flat layers. |
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Term
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Definition
| Distance from another object is changing. |
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Definition
| Used to compare against if an object is moving. |
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Definition
| Distance per unit of time (meters per second, miles per hour) |
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Definition
| The rate velocity changes. |
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Definition
| A push or pull on an object. |
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Term
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Definition
| The force to accelerate 1 kg at 1 meter per sec per sec |
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Definition
| The overall force on an object when all other forces are added together. |
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Definition
| Force caused when surfaces rub. |
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Definition
| Fluid friction when an object falls through air. |
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Definition
| Greatest velocity possible while falling through air. |
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Definition
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Definition
| Metric unit of pressure (1 Newton/meter2) |
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Definition
| Buoyant force = fluid weight displaced |
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Definition
| Fluid pressure is transmitted equally |
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Term
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Definition
| Multiplies water/oil force from small area to large area |
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Term
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Definition
| When speed increases, pressure decreases in moving fluid |
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Definition
| Metric unit for energy; force = 1 Newton, distance = 1 meter |
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Definition
| The rate that work is done (P=W/t) |
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Term
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Definition
| Force x distance moved (The force exerted on an object that causes it to move). |
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Term
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Definition
| The metric unit for power: 1 joule/second |
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Term
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Definition
| A device that changes the amount, direction, or distance acted over for a force. |
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Term
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Definition
| A simple machine with a sloped, flat surface. |
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Term
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Definition
| A simple machine with a movable inclined plane. |
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Term
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Definition
| A simple machine with an inclined plane in a spiral. |
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Term
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Definition
| The fixed point a lever pivots on. |
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Definition
| The ability to do work or cause change. |
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Definition
| The energy an object has due to its motion. |
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Term
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Definition
| Stored energy due to position or shape. |
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Term
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Definition
| The sum of an object’s kinetic and potential energy; energy related to position and motion. |
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Definition
| The total potential and kinetic energy of the particles of an object; aka heat energy. |
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Term
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Definition
| The energy of electric charges; can be either potential or kinetic. |
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Term
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Definition
| Potential energy stored in the chemical bonds of an object; released when bonds break. |
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Term
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Definition
| Energy stored in the nucleus of an atom; released during fission (splitting) or fusion (joining). |
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Definition
| A form of energy that travels through space as electrical and magnetic waves. |
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Definition
| A measure of the average kinetic energy of the particles in matter. |
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Term
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Definition
| The lowest possible temperature when all thermal energy has been removed from matter |
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Term
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Definition
| Thermal energy moving from a warmer object to a cooler object. |
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Term
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Definition
| The transfer of heat without the movement of matter (through direct contact) |
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Definition
| The transfer of heat by moving currents in a fluid. |
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Term
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Definition
| The transfer of energy by electromagnetic waves. |
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Definition
| Something that transfers heat well. |
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Term
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Definition
| The continuous flow of charge through an object; given in amps. |
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Term
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Definition
| A complete, unbroken path through which electric charges can flow. |
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Term
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Definition
| A material through which charge can flow easily. |
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Term
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Definition
| A material through which charge cannot flow easily. |
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Term
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Definition
| Potential difference; the amount of force pushing charge. |
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Term
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Definition
| A device that creates a potential difference in an electric circuit. |
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Term
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Definition
| A measure of how difficult it is for charges to flow; V up C down and vice versa |
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Term
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Definition
| A device that converts chemical energy into electric energy. |
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Definition
| A combination of two or more electrochemical cells in a series. |
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Term
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Definition
| Resistance is equal to voltage divided by current. |
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Term
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Definition
| Provides one path for the current to pass. |
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Term
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Definition
| Provides two or more paths for the current to pass. |
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Term
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Definition
| A device that contains a thin strip of metal that breaks if too much current flows, turning off the circuit. |
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Term
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Definition
| A reusable safety switch that breaks if too much current flows in a circuit. |
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Term
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Definition
| A disturbance that transfers energy from place to place. |
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Term
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Definition
| The material through which a wave travels. |
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Term
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Definition
| Wavves that require a medium to travel through. |
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Term
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Definition
| A repeated back-and-forth or up-and-down motion. |
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Term
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Definition
| Wavves that move the medium at right angles to the direction in which the waves travel. |
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Term
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Definition
| Waves that move the medium parallel to the direction in which the waves travel. |
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Term
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Definition
| The parts of a longitudinal wave where the coils are close together. |
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Term
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Definition
| The parts of a longitudinal wave where the coils are far apart. |
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Term
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Definition
| The maximum distance that the particles of the medium carrying the wave move away from their rest position. |
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Term
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Definition
| The distance between two corresponding parts of a wavve. |
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Definition
| The number of complete waves that pass a given point in a certain amount of time. |
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Definition
| The unit for frequency; waves per second. |
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Term
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Definition
| How fast a wave travels--given by the equation frequency x wavelength |
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Definition
| A reaction of a wave when it hits a surface and bounces off. |
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Term
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Definition
| The bending of waves due to a change in speed. |
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Term
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Definition
| When waves move around a barrier or through an opening and bend or spread out. |
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Term
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Definition
| The interaction between waves that meet. |
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Term
| constructive interference |
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Definition
| Happens when waves combine to make a wave with a larger amplitude. |
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Term
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Definition
| Happens when waves combine to make a wave with a smaller amplitude. |
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Term
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Definition
| A wave that appears to be standing still, even though it is really two waves interfering as they pass through each other. |
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Term
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Definition
| Points of zero amplitude on a standing wave. |
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Term
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Definition
| Points of maximum amplitude on a standing wave. |
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Definition
| An increase in the amplitude of a vibration that happens when external vibrations match an object's natural frequency. |
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Term
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Definition
| The waves produced by earthquakes. |
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Term
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Definition
| Longitudinal seismic waves; p stands for primary. |
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Term
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Definition
| Transverse seismic waves; s stands for secondary; cannot travel through liquids. |
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Term
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Definition
| A combination of a longitudinal wave and a transverse wave that travels along the surface of a medium. |
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