82 terms

6th Grade Science

Vocabulary set based on Washington State Standards and Performance Expectations.
STUDY
PLAY
Anatomy
The structure of an animal or plant, or of any of its parts.
Apply
The skill of selecting and using information in new situations or problems.
Asteroid
Small rocky body orbiting the Sun, sometimes called minor planet or planetoid.
Average
The mean obtained by adding several quantities together and dividing the sum by the number of quantities.
Average speed
The measure of distance that an object travels in a given time period.
Bar Graph
Used to illustrate comparative data such as cost, birth rates, etc. by using parallel bars of varying lengths.
Cells
The basic unit of all living organisms found in both plants and animals, having a nucleus and surrounded by a very thin membrane.
Cell Membrane
The semipermeable membrane enclosing the cytoplasm of a cell.
Cell Wall
The rigid boundary or wall made of cellulose that is part of the outer structure of a plant cell.
Characteristic of Life
In order for something to be considered living, it must be made of one or more cells, have organization, use energy, live in stable conditions, grow and reproduce.
Chloroplast
An organelle found in plant cells that's function is to carry out photosynthesis.
Circulatory System
The system of organs and tissues, including the heart, blood, blood vessels, involved in circulating blood through the body.
Classification keyîîîî
A method to group and categorize species of organisms.
Classify
To arrange in some sort of order by categories or groupings.
Comet
A small Solar System body that orbits the Sun and, when close enough to the Sun, exhibits a visible tail made of gas and/or dust.
Compare
To examine two or more objects or events to establish similarities.
Composition
The makeup of a material. A material formed from two or more substances.
Conclusion
A final statement of the findings of an investigative process that is supported by investigative evidence (data).
Contrast
To examine two or more objects or events to find differences.
Controlled experiment
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Cytoplasm
The cell substance containing all the organelles outside of the nucleus and enclosed in the cell membrane.
Dependent (responding) variable
The factor studied in a system that is expected to change when the manipulated (independent) variable is changed.
Describe
The skill of developing a detailed picture, image or characterization using diagrams and/or words, written or oral.
Design
To prepare the plans for work to be executed, such as preparing steps to take to complete a lab.
Digestive System
The system by which ingested food is acted upon by physical and chemical means to provide the body with absorbable nutrients and to excrete waste products.
Distance
The amount of space between two points usually measured by length in metric or standard units.
Dwarf planet
A body gravitationally bound to the Sun with enough mass to be approximately spherical in shape, but not enough mass to have pulled in debris from the neighborhood of their orbit.
Eclipse
An astronomical event that occurs when one celestial object moves into the shadow of another.
Effect
The result or consequence of an action, influence, or causal agent.
Environment
The natural surrounding that includes living and nonliving components. May also refer to a region or to all natural systems on planet Earth.
Explain
To apply scientific ideas to describe the cause of a phenomenon or relationship and/or to render a complex idea plain.
External
The outside or outer part of a surface.
Force
A push or pull that has both magnitude and direction.
Friction
The force that acts to slow or stop the motion of objects.
Galaxy
A collection of stars, gas, and dust bound together by gravity and isolated from similar systems by vast regions of space.
Hypothesis
A testable explanation for a specific problem or question based on what has already been learned.
Independent (manipulated) variable
The factor of a system being investigated that is changed to determine that factor's relationship to the dependent (responding) variable.
Infer
To arrive at a decision or logical conclusion by reasoning from evidence.
inference
A logical conclusion based on evidence.
Inquiry
The diverse ways in which people study the natural world and propose explanations based on evidence derived from their work.
Internal
The inside or inner part of the body or part.
Line Graphs
Visual representations made by connecting data points of successive changes in the value of a variable quantity.
Lunar Eclipse
When the Earth comes between the sun and the moon. When the moon is in the Earth's shadow it is not visible, so the moon is blocked by the Earth.
Mass
A measure of how much matter there is in an object.
Matter
Anything that has mass and that takes up space.
Mean
The average obtained by adding several quantities together and dividing the sum by the number of quantities.
Measure
The act or process to determine the extent, dimension, quantity or length of something.
Milky Way Galaxy
The galaxy containing the solar system; consists of millions of stars that can be seen as a diffuse band of light stretching across the night sky.
Mitochondria
The organelle in the cytoplasm that functions in energy production.
Moons
A natural satellite that is a celestial body that orbits a planet or smaller planetary body.
Motion
A constant change in the location of an object.
Multicellular
Composed of several or many cells.
Nucleus
The central structure in a living cell enclosed in a membrane that includes most of the genetic information in the cell that controls growth and reproduction in most living things.
Nutrients
A food or chemicals that an organism needs to live and grow, or a substance used in an organism's metabolism that must be taken in from its environment.
Observ
The skill of recognizing and noting some fact or occurrence in the natural world using the senses
Orbit
The gravitationally curved path of one object around a point or another body.
Organ
A group of tissues in plants or animals that perform a particular task.
Organelle
"Little organs." Small specialized cell parts that carry out functions within the cell.
Organ system
A group of organs that work together to perform a particular task.
Organism
A living thing such as an animal, plant, fungus, or microorganism.
Patterns
Recurring events or objects that repeat in a predictable manner.
Phases of the Moon
Can be explained by its changing relative position as it orbits Earth.
Planet
A round object that has its own orbit around a star, such as the sun.
Plutoid
A dwarf planet outside the orbit of Neptune.
Predict
Use prior knowledge to guess what will happen.
Problem
A question or circumstance which can be solved using a scientific study or investigation
Producer
An organism that produces complex organic compounds from simple inorganic molecules using energy from light or inorganic chemical reactions.
Question
A problem for discussion or under discussion.
Research
Gathering of information for the study of an idea or a scientific problem .
Respiratory System
The system for taking in oxygen and giving off carbon dioxide.
Satellite
An object that orbits a planet or moon.
Solar Eclipse
When the Moon comes between the sun and the Earth, so that a viewer is in the moon's shadow, blocking the view of the sun.
Solar System
The Sun and those celestial objects bound to it by gravity, including eight planets, moons, dwarf planets, plutoids, asteroids, meteoroids, and other small bodies.
Speed
The rate or measure of the rate of motion. The distance travel divided by the time of travel.
System
An assemblage of interrelated parts or conditions through which matter, energy, and information flow.
Technology
Ways that people change the natural world to solve practical problems or improve the quality of life.
Theory
An explanation of many facts capable of generating hypotheses and testable predictions about the natural world.
Tissue
A group or layer of cells that are alike and work together to perform a specific function.
Trials
Repetitions of data collection protocols in an investigation.
Unbalanced Forces
When acted upon an object, it changes the speed or direction of an object's motion.
Unicellular Organism
Having or consisting of a single cell.
Variable
Any changed or changing factor used to test a hypothesis or prediction in an investigation that could affect the results.