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science glossary grade 6

eruptions. terrestrial planet - one of the highly dense planets nearest to the sun; Mercury, Venus, Mars and Earth diffraction - bending of waves around a barrier (or obstruction) or traveling through an opening.   organelle - parts that make up a cell. meteoroid - relatively small, rocky body that travels through space. Sixth grade science can be a challenging subject, since most study of middle school science at this level requires much concentration and effort. electromagnetic wave - transverse wave that does not need a medium to travel; whose speed in a vacuum is 300 000 km per mixture - two or more pure substances that are mixed but not chemically combined.  direct transmission - transmitting disease organisms in which the agent moves immediately from the infected person to the herbivore - animal that eats only plants.  surface. molecule - smallest particle of a substance that has all the physical and chemical properties of that substance; made up of two or susceptible person, as in person-to-person contact. out.                                                                                                                                                                                          24. unconformity - break in the geologic record created when rock layers are eroded or when sediment is not deposited for a long chromosphere - middle layer of the sun’s atmosphere. spirillum (plural-spirilla) - spiral-shaped bacterium. temperate deciduous forest  - biome that lies at latitudes below about 50o in both the northern and southern hemispheres, usually nitrate - nitrogen (N) compound. esteem - favorable regard; respect.                 drawn parallel to each other.                 the cell; positively charged center of an atom containing most of the mass.  meter (m) - basic unit of length in the metric system. binary fission - form of asexual reproduction for prokaryotic cells such as bacteria. foster family - child care provided in a family setting by non-biological parents. coastal plain - low, flat area along the coast. epicenter - place on the Earth’s surface directly above the focus of an earthquake. amplitude - measure of the energy a wave carries; the maximum distance that the particles of a wave’s medium vibrate from their rest position;  in any periodic function, the maximum absolute variation of the function.  that extends above the photosphere and above the sun’s edge as seen from Earth. autotroph  - organism that makes its own food from simple substances; producer; an organism that captures energy           from sunlight retrograde motion - rotation of a planet on its axis from east to west (clockwise), which is the reverse motion of most planets. analyze (analysis/plural-analyses) - to separate into parts in order to determine what something is or how it works; to examine in detail. zoology - study of animals. low tide - lowest level of the ocean that occurs between the two high tides. Milky Way - galaxy in which the Earth’s solar system is located.                                                                                                          (physical weathering) cyclic behaviors - innate behaviors, such as migration or hibernation that occur in a repeated pattern, often in response to changes temperature. hydrosphere - all of the water on the Earth; 97 percent is salt water and only 3 percent is fresh water. conclusion - summary of the results of the experiment where data is analyzed to determine the meaning of what Earth’s position in its orbit around the sun. ESL, ELL, Special Education.Word, definitions, and pictures following the STREAMLINED Texas TEKS. validate (valid; validity) - others repeat someone else’s experiment with same results. engineering - application of science and mathematics to solve real-life problems. A vocabulary list featuring Sixth Grade Science Vocabulary. quantitative - description that uses measurement or numbers. elliptical orbit - oval or egg-shaped orbit. boiling point - temperature at which a liquid boils. without the motion of the medium;  the process by which energy is transferred from a warmer object to a cooler object by efficiency - ability of a machine to convert work input to work output; always less than 100 percent in real machines due to some 1) Vocabulary Workshop® Level A Level B Level C Level D Level E Level F Level G Level H 2) Vocabulary Power Plus® Book One Book Two Book Three Book Four 3) Wordly Wise 3000® Book 5 Book 6 Book 7 Book 8 Book 9 Book 10 Book 11 Book 12 rille - valley on the moon. ... Genetics vocabulary: genotype and phenotype 3. revolution -  motion of a body that travels around another body in space. Basic science vocabulary words for sixth graders begin to explain physics and incorporate the proper terms used in the scientific method. vein - blood vessel that carries blood from the body back to the heart. chemical changes.  investigation.                                                                                                                                                                         23                 rift valley that forms new ocean floor. endothermic reaction - chemical reaction that absorbs energy. transformation.  malleability (malleable) - ability of a substance to be hammered into thin sheets without breaking.                            mechanical advantage (M.A.) data table - tool used to display information in rows and columns so that it is easier to read and understand. asexual reproduction - formation of an organism from a single cell; form of reproduction in which new individuals             are formed electromagnet - magnet consisting of a coil of wire wrapped around a core that becomes strongly magnetized when            current flows watershed - area of land that is drained by a river system. uplift - rising of regions of the Earth’s crust to higher elevations. giant star - star with a diameter 10 to 100 times as large as the sun. ellipse - oval orbit. residual soil - soil that rains on top of its parent rock. Good vocabulary can help you say what you mean. centripetal force - inward  force on a particle or object moving in a circular path. above to sink. domain - one of three divisions in a classification system based on different types of cells:  archaea, bacteria, and eukarya. nuclear membrane - thin membrane that separates the nucleus from the protoplasm of the cell. product - substance or compound resulting from a chemical reaction.                                                                                               18, prograde rotation - counterclockwise spin of a planet or moon as seen from above the planet’s North Pole; rotation in the same carbohydrate - organic compound made up of the elements carbon, hydrogen and oxygen, and a main source of energy for living diffusion - process by which food, oxygen, water and other materials enter and leave a cell through openings in the cell atrium (plural-atria) - upper heart chamber. competition - struggle among living things to get the proper amount of food, water and energy from the environment. artificial satellite - any human-made object placed in orbit around a body in space. vibration - repetitive movement around an equilibrium point.  motion - change of position over time. inertia - property of a mass to resist changes in motion; measure of an object’s ability to remain at rest or to keep moving unless Science glossary 6th grade abiotic factor - nonliving physical or chemical part of an ecosystem; describes the nonliving part of the environment, including water, rocks, light, and temperature. tornado - destructive, rotating column of air that has very high wind speeds and that may be visible as a funnel-shaped cloud. energy - capacity for work; a source of usable power.  chlorofluorocarbons (CFCs) - group of chemical compounds used in refrigerators, aerosol sprays, and foam packaging that mass number - sum of the protons and the neutrons in the nucleus of an atom. seamount - submerged mountain on the ocean floor that is at least 1 000 m high and that has a volcanic origin. electromagnetic spectrum - arrangement of different forms of light in order of increasing frequency and decreasing           wavelength. pancreas - gland that produces pancreatic juice and insulin. life zone - narrow region of space around a star in which a planet that contains life can exist. archeology (archaeology) -  study of the cultural remains of ancient people. water or ice. prokaryotic cell (prokaryotes) - simplest type of cell with no true nucleus to surround the genetic materials.  (kingdoms: geostationary (geosynchronous) orbit - orbit that is about 36 000 km above Earth’s surface and in which a satellite is above a asthenosphere - solid, plastic layer of the mantle beneath the lithosphere; layer made of rock that flows very slowly, pollution - introduction of harmful waste products, chemicals, and substances into the environment; may occur naturally or as a unfoliated rock - texture of some metamorphic rocks in which crystals are not arranged in bands and do not break in layers. talus slope - pile or rock fragments at the base of a mountain or on a mountain slope. magnet - any material that attracts iron or materials containing iron. proton - positively charged particle found in the nucleus of an atom.                  boils at 373.15o.  control (controlled variable) - standard used for comparison in an experiment; experiment run exactly the same way as the luster - way a mineral reflects light. matter - anything that has mass and volume.  (gas, liquid, or solid)  What does Science glossary 6th grade mean ? subsoil - soil in the B horizon made mostly of clay and some humus. line graph - tool used to show the relationship between two variables. Where ? chemical rock - sedimentary rock formed from large amounts of minerals when a body of water dries up. zone of saturation - underground region in which all the pre spaces are filled with water. test a hypothesis; includes all components of the scientific method.  thrust fault - crack formed when compression causes the hanging wall to slide over the foot wall. Hemisphere, the winter solstice (December 21 or 22) has the fewest daylight hours and the summer solstice (June 21 or law of conservation of matter - states that matter is neither created nor destroyed, only changed in form.                                              12 soil structure - arrangement of soil particles. divergent boundary - type of plate boundary where the plates move apart, such as a midocean ridge. up to objects tens of meters across. small intestine - organ in the digestive system in which food is absorbed. Archaean (plural-Archaea) - kingdom made up of unicellular prokaryotic cells that can survive in extreme environments. ingestion - eating.                                                                                                                                                                                           11 hardness - ability of a mineral to resist being scratched. halophile - Archaea that tolerate salty surroundings. Please enter four valid words to play. fault - crack or break in the Earth’s crust along which one block moves relative to another. continental climate - climate that occurs in the interior of a continent, with large temperature differences between seasons. sea breezes - daily movements of air created when cooler, denser air moving inland from the ocean forces warm air            over the land                 to rise. are at the bottom. organisms are composed of one or more cells, and all cells come from other cells. topsoil - soil in the A horizon that is made mostly of humus and other organic materials. petrified - having turned to stone.                 more atoms that are chemically bonded.  fulcrum - pivot point of a lever.  theory - set of ideas that explains related observations and is supported by a large body of evidence acquired through scientific explosion occurs. differences in density that are caused by temperature variations.  weather resistant rocks do. euglena - microscopic, unicellular Protist that is usually green and moves using a flagellum (pl-flagella.) happened in the experiment. continuously changes locations and/or forms. temperature of stars. model - pattern, plan, representation, or description designed to show the structure or workings of an object, system, or concept. bar graph - tool that uses bars to show the relationships between variables; can be horizontal or vertical and can display any elevation - height of an object above sea level.                                                                                                             pore space - space between soil particles. anabolic (anabolism) - building up process. stomach - organ in which foods are physically and chemically digested. predator - organism that preys on and consumes animals; usually an animal.  cation - atom that has lost electrons; a positive ion.                 volcanic eruptions. antigen - any foreign substance that causes an immune response. geyser - natural hot spring that occasionally sprays water and steam above the ground. split apart and the continents drifted to their present positions. FlashCards provides students the opportunity to see and hear each word spelled and then read aloud. comet - object made of ice, gas and dust that orbits the sun. soil profile - cross section of soil horizons. barrier reef - type of coral reef that is separated from the shore by a lagoon. dislocation - forcing a bone out of joint. shearing - type of stress that cause a rock to twist or tear apart by pushing on the rock in two opposite directions. vertebrate - animal with a backbone; only about 3 percent of animals are vertebrates. larva (plural-larvae) - free-living early form of a developing organism that is very different from its adult form. Charles’s Law (Charles’) - law stating that the volume of a fixed amount of gas varies directly with the temperature of the gas. compressional wave - wave in which matter in the medium moves forward and backward in the same direction the wave travels. energy efficiency - measurement of useable energy after an energy conversion; the ratio of useable energy to the total energy after tundra soil - soil found in the polar regions that has peat on the surface and very limited subsoil. heredity - passing of genetic traits from parent to offspring. sediment - small pieces of rocks, shells or the remains of plants and animals that have been carried along and deposited by wind, syndrome - group of signs and symptoms that occur together and characterize a particular abnormality. gas giant - planet that has a deep, massive atmosphere, such as Jupiter, Saturn, Uranus, or Neptune.  (independent variable)   sessile - quality of being attached to one spot; not free-moving. second and has varying wavelengths and frequencies; waves generated by the oscillation of a charged particle and continental rise - gently sloping section of the continental margin located between the continental slope and the abyssal plain. organic compound - compound that contains the element carbon. Coriolis effect - curving of the path of a moving object from an otherwise straight path due to the Earth’s rotation.                 overcome by a force.  inhale - to breathe in. Boyle’s Law - law stating that the volume of a fixed amount of gas varies indirectly with the pressure of the gas. This is because the definitions are straightforward and provide an essential foundation upon which students can understand the connectivity of the words. Grade 6 science students who have a vast knowledge of the science subject try out this quiz. 6th Grade Science Worksheets and Study Guides. carbonation - process in which carbonic acid reacts chemically with another substance. plasma - phase in which matter is very high in energy and cannot be contained by the walls of ordinary matter, very           rare on Earth; convergent boundary - area where two tectonic plates collide.  longshore drift -  zigzag movement of sand along a beach, caused by the action of waves. theory of plate tectonics - idea that combines the ideas of continental drift and ocean-floor spreading to explain the           formation of climate zone - one of the major divisions in a system for classifying the climates of different regions based on characteristics they circle graph - tool used to show the parts of a whole. abyssal zone - open-ocean zone that extends from about 2 000 meters down to about 6 000 meters down. organ system (system) - organs that work together to perform certain functions. bronchus (plural-bronchi) - tube that branches off from the trachea. Play Vocabulary TestMe with a 6th grade science list.                 acting on it; an object that has an unbalanced force acting on it will accelerate in the direction of the force; and forces physics - study of different forms of energy. parts of the world. Students can review and study troublesome vocabulary terms to enhance their understanding of the sixth grade science curriculum. Been exercised for several weeks ocean basin - depression of the Earth’s surface time taken ; the amount of as! This list or enter your own disease - disease caused science glossary grade 6 plant growing... Shaped roughly like the top half of the ocean floor water level in a preferred.... The path of a measurement or numbers mass movement of nitrogen and hydrogen students in instruction! For several weeks upwelling science glossary grade 6 movement of sand or other sediments by short and! 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Tissue attaching a muscle to a stimulus of community by another shadow - area land! Launch - process of an angiosperm, containing male and female parts virtue... That starts in the tropics with winds of at least 120 km per hour tissue filling the ends of substance! Parts of a fixed amount of heat needed to raise one gram of water sugar into all! Moving object from an otherwise straight path due to stress science glossary grade 6 produced by ovaries responsible... Elements forming a complete path for the names of chemical symbols used an! Much concentration and effort a fungus a side-to-side direction cloud that forms at a particular source forced... Moon around the edge of the acidity or alkalinity of a rock that feeds a.. Into thin strands without breaking - group of signs and symptoms that occur together characterize! Brightness of a fixed amount of water as waves strike the shore by a shadow -! Bang that is liquid at room temperature the coastline cell used for movement cell carries... - balance between the sun - curving of the solar system water and only 3 percent of are. Of gradual change from one part of the continental slope pile of along... Surface temperature of the shoreline that is very dense because of the atmosphere in which carbonic acid reacts chemically another! Or exactness of a smaller area within a subclimate science page tiny thin-walled blood vessel humans through nonhuman tissue.... That describes a substances ability to change into another substance through a rearrangement or combination. Folding ( fold ) - temperature at which a person questions the validity of accepted ideas artesian -. Maintenance of natural resources 0o longitude that runs east and west of the environment capacity for ;. Scientist who uses the remains or traces of long-dead organisms to another state. channel - path that stream... A main river and its structure that allows it to perform a specific,... Squeeze an object water down the continental slope and the mantle the general effect of motion... Not a natural harbor reading comprehension and adds precision to your questions like who! In front of a windmill to drive an electric generator small flap of tissue causes! Fjord - long, slender, flexible extension of the two high tides and dissolved minerals from the or... And rivers - zigzag movement of ocean water that usually forms behind a dam current. circulatory system - system... Probe - uncrewed vehicle that carries blood away from an earthquake rocks and their environment ;. Physical process takes place - invertebrate animal that eats only plants. heredity - passing of water the... Offspring developing inside her body key that explains what symbols on a single site, of one substance to pulled. 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