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2020 Vocab. A-H

6th Grade Science STEM READY

TermDefinition
Adaptation. A change or the process of change by which an organism becomes better suited to its environment.
Analyze To examine carefully and in detail to identify causes, key factors, or results.
Atmosphere The envelope of gases that surrounds Earth.
Carbon Cycle A series of processes in which carbon is exchanged among the biosphere, pedosphere, geosphere, hydrosphere, and atmosphere of the Earth.
Cell The basic structural unit of all organisms.
Cell Membrane The part of the cell that protects its interior from the outside environment.
Cell Wall The part of the cell that provides it structural support and protection. It also acts as a filtering mechanism.
Cementation The process by which dissolved minerals crystallize and glue particles of sediment together into one mass. It is the fourth step to form a sedimentary rock.
Centi One hundredth of a basic unit of measurement.
Chloroplasts Only found in plant cells, it’s the organelle where photosynthesis takes place.
Circulatory System The body system that is made up of blood vessels that carry blood away from and towards the heart.
Classify To organize into groups based on similarities.
Climate The weather conditions in an area over long periods of time.
Compaction The process by which sediments are pressed together under their own weight. It is the third step to form a sedimentary rock.
Compare To examine two or more objects and note similarities.
Conclusion The outcome of an experiment to tell if your hypothesis is correct or incorrect.
Conduction The direct transfer of thermal energy by two objects that are touching.
Conservation The practice of using less of a resource so that it will not be used up.
Continental Drift- The hypothesis that the continents slowly move across Earth’s lithosphere.
Contrast To examine two or more objects and note unlikeness or differences.
Controlled Experiment An experiment in which only one variable is manipulated at a time.
Controlled Variable The variables that are not changed in an experiment.
Convection The transfer of thermal energy by the movement of a liquid or gas.
Convergent Boundary A plate boundary where two plates move toward each other. It is the main cause for mountains to form.
Core The central region of an object.
Crust The layer of rock that forms Earth’s outer surface.
Data Facts, figures, and other evidence gathered through observation.
Density The amount of mass of a substance in a given volume.
Deposition The process in which sediment is laid down in new locations. It is the second step to form a sedimentary rock.
Digestive System- The parts of the body that work together to turn food and liquids into the buildings blocks and fuel the body needs.
Divergent Boundary A plate boundary where two plates move away from each other. It is the main cause for volcanoes and rift valleys to form.
Dormant A volcano that is not currently active, but that may become active in the future.
Earthquake The shaking that results from the movement of rock beneath Earth’s surface.
Electromagnetic Radiation Energy that travels through space in the form of waves.
Energy The ability to do work or cause change.
Erosion The destructive process in which water, wind, or gravity loosens and carries away fragments of rock. It is the first step to form a sedimentary rock and is a mechanical or physical change.
Estimate An approximate judgment or evaluation.
Evaluate To determine the significance or worth of the results of an experiment.
Evolution The process by which all the different kinds of living things have changed over time.
Excretory System The system in the body that is in charge of getting rid of wastes and extra water.
Extinct A volcano that is no longer active and is unlikely to erupt again. Or an organism that no longer lives on Earth.
Fault A break or crack in Earth’s lithosphere along which the rocks move.
Fossil A trace of an ancient organism that has been preserved in rock.
Fossil Fuel An energy-rich substance (such as coal, oil, or natural gas) formed from the remains of organisms.
Geologic Time Scale A record of the geologic events and life forms in Earth’s history.
Geologist A scientist who studies the forces that make and shape planet Earth.
Gram The basic metric unit to measure mass.
Graph An instrument for making records.
Habitat The place where an organism lives and where it obtains all the things it needs to survive.
Hypothesis A possible explanation for a set of observations or an answer to a scientific question. It must be testable! (An educated guess)
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