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ecosystem biotic abiotic producer consumer herbivore carnivore omnivore scavenger decomposer food web energy pyramid niche limiting factor carrying capacity biome marine estuary wetland eukaryote prokaryote equilibrium osmosis diffusion endocytosis exocytosis tissue organ system gene allele phenotype genotype dominant allele recessive allele evolution natural selection survival of the fittest adaptation artificial selection independent variable a value that does not depend on changes in other values dependent variable a quantity whose value depends on another quantity empirical derived from experiment and observation rather than theory scientific theory a theory that explains scientific observations heliocentric having the sun as or in the middle controversy a dispute where there is strong disagreement Rachel Carson United States biologist remembered for her opposition to the use of pesticides that were hazardous to wildlife () Galileo Galilei Italian astronomer and mathematician who was the first to use a telescope to study the stars; demonstrated that different weights descend at the same rate; perfected the refracting telescope that enabled him to make many discoveries () observation the act of taking a patient look variable something that is likely to change magma molten rock in the earths crust Earths crust the outer layer of the Earth atmosphere the envelope of gases surrounding any celestial body stratosphere atmospheric layer between the troposphere and the mesosphere troposphere the lowest atmospheric layer; from 4 to 11 miles high mesosphere the atmospheric layer between the stratosphere and the thermosphere thermosphere the atmospheric layer between the mesosphere and the exosphere input a component of production, such as raw materials or labor output final product; the things produced basalt the commonest type of solidified lava lithosphere the solid part of the Earth granite a type of igneous rock with a visibly crystalline texture pressure the act of putting pressure on something hydrosphere the watery layer of the earths surface geosphere the solid part of the Earth biosphere the regions of the Earth where living organisms exist depth the extent downward or backward or inward height distance from the base of something to its top convection transfer of heat caused by molecular motion in liquid or gas Created on September 30, 2013 (updated October 2, 2013) BEGINNING OF THE YEAR SCIENCE(science, claim, evidence, reasoning, microscope)Click here for the vocabulary and their official definitions.Seventh grade science is where students really need to put on their thinking caps and understand the subjects on a deeper level. Learning science concepts can be easy and fun for seventh grade science students when they study their science vocabulary words by playing interactive online games. Students who learn the vocabulary that accompanies a specific subject are more likely to comprehend and excel in that subject. The study of science vocabulary for the seventh grade science curriculum is no exception. Read MoreRead LessVocabularySpellingCity provides extensive middle school science word lists, allowing students to study and review the most common seventh grade science words assigned by teachers. By using interactive and engaging science games, seventh grade students can master word meanings and use online testing to assess their learning and get immediate feedback. Students can practice other seventh grade subject vocabulary with ready-made word lists in seventh grade math, middle school social studies, and seventh grade literature. Use VocabularySpellingCitys resources to create a comprehensive science glossary for 7th grade classrooms! In order to continue enjoying our site, we ask that you confirm your identity as a human. Thank you very much for your cooperation.
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