8th Grade Science Flashcards L to J

The transfer of light energy into an object through which it is passing

A large body of air with similar temperature and moisture throughout.

<p>The force of the weight of air pushing on a surface.</p> Signup and view all the answers

<p>Relating to the structure of the body.</p> Signup and view all the answers

<p>Process by which a single organism can reproduce by itself.</p> Signup and view all the answers

<p>An imaginary straight line running through Earth from pole to pole.</p> Signup and view all the answers

<p>Two equal forces that act upon an object in opposite directions.</p> Signup and view all the answers

<p>Any living part of the environment that affects organisms.</p> Signup and view all the answers

<p>A chemical change in which the substance is decomposed and releases heat.</p> Signup and view all the answers

<p>Largest number of individuals of a species that a particular environment can support.</p> Signup and view all the answers

<p>Basic unit of life found in all living things.</p> Signup and view all the answers

<p>Process by which a cell splits into two new cells.</p> Signup and view all the answers

<p>Process by which a cell increases its size.</p> Signup and view all the answers

<p>Characteristics of a substance that determines how it interacts with other substances.</p> Signup and view all the answers

<p>Structure found in the nucleus that carries the genetic information for an organism.</p> Signup and view all the answers

<p>System that provides a flow of nutrients throughout the body.</p> Signup and view all the answers

<p>Relationship between organisms where one benefits and the other is unaffected.</p> Signup and view all the answers

<p>A pure substance composed of two or more elements chemically combined in a fixed proportion.</p> Signup and view all the answers

<p>A decision made after considering relevant facts and evidence.</p> Signup and view all the answers

<p>Change in the physical state of matter from the gas phase to the liquid phase.</p> Signup and view all the answers

<p>Matter can neither be created nor destroyed in physical and chemical changes.</p> Signup and view all the answers

<p>Rate of motion where the same amount of distance is traveled in the same amount of time (speed = distance / time).</p> Signup and view all the answers

<p>A group of subjects, closely resembling the experimental group but not receiving the factor under study.</p> Signup and view all the answers

<p>The variables in an experiment which are held constant.</p> Signup and view all the answers

<p>The process of moving closer together.</p> Signup and view all the answers

<p>The innermost layer of Earth, located beneath the mantle.</p> Signup and view all the answers

<p>The thin, rocky outer layer of Earth, above the mantle.</p> Signup and view all the answers

<p>The variable in an experiment that is affected by changes in the independent variable.</p> Signup and view all the answers

<p>Change in the physical state of matter from the gas phase to the solid phase without passing through the liquid phase.</p> Signup and view all the answers

<p>System that breaks down food into energy for the body.</p> Signup and view all the answers

<p>A physical change in which particles of a substance are separated by water particles.</p> Signup and view all the answers

<p>The process of moving farther apart.</p> Signup and view all the answers

<p>One form of a gene that masks the presence of another gene.</p> Signup and view all the answers

<p>The blocking of the light from one astronomical object by another.</p> Signup and view all the answers

<p>A pure substance that cannot be broken down by chemical or physical means.</p> Signup and view all the answers

<p>System of glands that make hormones to regulate the body.</p> Signup and view all the answers

<p>The ability to do work (e.g., light, heat, sound).</p> Signup and view all the answers

<p>Vaporization of a liquid that occurs only on the surface of the liquid.</p> Signup and view all the answers

<p>System that removes excess, unneeded, or dangerous materials from the body.</p> Signup and view all the answers

<p>A group of subjects which receive the factor under study.</p> Signup and view all the answers

<p>The end of an organism or group of organisms.</p> Signup and view all the answers

<p>Complex interactions of food chains that interact in an ecosystem.</p> Signup and view all the answers

<p>Any remains, impressions, or traces of a living thing found in Earth of a former geologic age.</p> Signup and view all the answers

<p>Small part of a chromosome that determines a specific trait.</p> Signup and view all the answers

<p>A tall, narrow container with a volume scale used to measure liquids.</p> Signup and view all the answers

<p>The force of attraction between all masses in the universe.</p> Signup and view all the answers

<p>Passing of traits from one generation to another.</p> Signup and view all the answers

<p>The amount of water vapor in the air.</p> Signup and view all the answers

<p>A testable statement about the natural world.</p> Signup and view all the answers

<p>Rock that forms when magma cools and solidifies.</p> Signup and view all the answers

<p>System that protects the body against infection.</p> Signup and view all the answers

<p>A variable that is changed by the person conducting the experiment.</p> Signup and view all the answers

<p>A conclusion drawn from evidence or reasoning.</p> Signup and view all the answers

<p>System that is the natural outer covering of an organism.</p> Signup and view all the answers

<p>A high speed wind current.</p> Signup and view all the answers

<p>A descriptive generalization about how some aspect of the natural world behaves.</p> Signup and view all the answers

<p>Energy can neither be created nor destroyed in chemical and physical changes.</p> Signup and view all the answers

<p>A region where a magnetic force can be detected.</p> Signup and view all the answers

<p>The layer of rock between Earth's crust and core.</p> Signup and view all the answers

<p>Rock that forms from other rocks as a result of intense heat, pressure, or chemical processes.</p> Signup and view all the answers

<p>System that allows movement of an organism.</p> Signup and view all the answers

<p>A relationship between organisms where both benefit.</p> Signup and view all the answers

<p>System that regulates the body's response to stimuli.</p> Signup and view all the answers

<p>A resource that is consumed much faster than the resource can be formed.</p> Signup and view all the answers

<p>A group of tissues that work together to carry out a specific function.</p> Signup and view all the answers

<p>A group of organs that work together within an organism.</p> Signup and view all the answers

<p>Any living thing.</p> Signup and view all the answers

<p>Relationship between organisms where one benefits and the other is harmed.</p> Signup and view all the answers

<p>An arrangement tool of the known elements organized by properties.</p> Signup and view all the answers

<p>The portion of a moon or planet that is illuminated.</p> Signup and view all the answers

<p>A change in state of matter (e.g., solid to liquid, liquid to gas).</p> Signup and view all the answers

<p>Process by which organisms use light energy to make food energy.</p> Signup and view all the answers

<p>Group of organisms of the same species that live in the same area.</p> Signup and view all the answers

<p>Any form of water that falls to Earth's surface from the clouds.</p> Signup and view all the answers

<p>Organism that captures and feeds on another organism.</p> Signup and view all the answers

<p>A statement about what may happen in the future based on prior experience or knowledge.</p> Signup and view all the answers

<p>Organism that is captured and fed upon by another organism.</p> Signup and view all the answers

<p>Characteristics of objects or events, other than actual numerical measurements.</p> Signup and view all the answers

<p>Characteristics of objects or events which can be measured using numeric values.</p> Signup and view all the answers

<p>Form of a gene that is masked by the presence of another gene.</p> Signup and view all the answers

<p>The bending of the path of light when it passes from one medium into another.</p> Signup and view all the answers

<p>A resource that can be replaced at the same rate at which it is consumed.</p> Signup and view all the answers

<p>The number of times procedures are repeated during a scientific experiment.</p> Signup and view all the answers

<p>System that allows the production of offspring.</p> Signup and view all the answers

<p>System that brings oxygen into the body and releases carbon dioxide.</p> Signup and view all the answers

<p>Reaction of an organism to a stimulus.</p> Signup and view all the answers

<p>The motion of one body around another.</p> Signup and view all the answers

<p>The spinning of a body, like Earth, on its axis.</p> Signup and view all the answers

<p>A chemical change in which a metal reacts with oxygen to form a different compound.</p> Signup and view all the answers

<p>Light reflected in all directions by a rough surface.</p> Signup and view all the answers

<p>An analysis of the strengths and weaknesses of a scientific investigation.</p> Signup and view all the answers

<p>Rock that forms from the weathering and erosion of other rocks.</p> Signup and view all the answers

<p>Process by which sex cells from two organisms join to create a new organism.</p> Signup and view all the answers

<p>System that supports and protects the body.</p> Signup and view all the answers

<p>A group of organisms that is capable of reproducing similar organisms.</p> Signup and view all the answers

<p>Signal to which an organism responds.</p> Signup and view all the answers

<p>Change in the physical state of matter from the solid phase to the gas phase.</p> Signup and view all the answers

<p>Number of individuals alive after a given period.</p> Signup and view all the answers

<p>A close, long-term interaction between species.</p> Signup and view all the answers