Science CFE Study Guide (6th grade) Flashcards
What is a Class?
Taxonomic group that contains one or more related orders.
What are Dunes?
Mounds of wind-deposited sand.
What is Evaporation?
The change of a substance from a liquid to a gas.
What is Frequency?
The rate at which something occurs over a particular period or in a given sample.
What is a Scientific Law?
A rule that describes a pattern in nature.
What is a Phylum?
A group of closely related classes.
What is a Sketch?
A rough preliminary version of a work or part of a work.
What is the Law of Conservation of Energy?
The law that states that energy cannot be created or destroyed but can be transformed from one form to another.
What is the Digestive System?
It is a body system that is designed to break down food and absorb its nutrients.
What is Humidity?
The amount of water vapor in the air.
What is Kinetic Energy?
The energy of motion.
What is the Mitochondria?
The Powerhouse of the cell; Produces ATP (Energy)
What is a Peninsula?
A piece of land that is surrounded by water on three sides.
What is Conduction?
Thermal energy that is transferred through direct contact.
What is a Animal Cell?
Eukaryotic cells with membrane bound organelles.
What is the Atmosphere?
A mixture of gases that surrounds the Earth.
What is a Atom?
The smallest unit of matter.
What is a Bar Graph?
A graph that uses horizontal or vertical bars to display data
What is the Biosphere?
A part of Earth in which life exists including land, water, and air or atmosphere.
What is Carbon Dioxide?
A gas that is expelled from the body by the respiratory system.
What is a Cell?
The basic unit of life.
What is a Cell Membrane?
A thin, flexible barrier around a cell; regulates what enters and leaves the cell.
What is a Cell Wall?
A rigid structure that surrounds the plant cell membrane and provides support to the cell. Only found in Plant cells.
What is a Chart?
A graphical representation of data.
What is Chemical Weathering?
The process by which rocks break down as a result of chemical reactions.
What is Chloroplast?
An organelle found in plant and algae cells where photosynthesis occurs.
What is Circulation?
Movement of blood through the body.
What is the Circulatory System?
A body system that circulates blood through the body, supplies oxygen and nutrients, and removes waste.
What is Climate?
Overall weather in an area over a long period of time.
What is the meaning of Complex?
Having many parts.
What is Condensation?
The change of state from a gas to a liquid.
What is the Cryosphere?
The frozen parts of the Earth
What is a Data Table?
A grid that displays the data plotted in a chart.
What is a Dependent variable?
A variable whose value depends on that of another. Known as the outcome or measure variable.
What is Deposition?
The Process in which sediment is laid down in new locations.
What is Electrical Energy?
The energy of electric charges.
What is the Equator?
The imaginary center line of latitude that divides the northern and southern hemispheres.
What is Erosion?
Processes by which rock, sand, and soil are broken down and carried away.
What is the Excretory System?
The system that removes waste from your body and controls water balance.
What is the definition of External?
Outside
What is Family?
Group of generations that share many characteristics.
What is friction?
A force that opposes motion between two surfaces that are in contact.
What is Genus?
A classification grouping that consists of a number of similarly, closely related species.
What is the Geosphere?
The solid part of the earth consisting of the crust and outer mantle.
What is gravity?
A force of attraction between objects that is due to their masses.
What is a Gulf Stream?
A warm ocean current that flows from the Gulf of Mexico northward through the Atlantic Ocean
What is Homeostasis?
A process by which organisms maintain a relatively stable internal environment.
What is the Hydrosphere?
All the water at and near the surface of the earth, 97& of which is in oceans.
What is the Immune System?
The cells and tissues that recognize and attack foreign substances in the body.
What is Independent Variable?
The variable in an experiment that is changed.
What is the meaning or Internal?
Inside
What is Interpret?
Explain the meaning of
What is Jet Stream
a high-speed high-altitude air stream blowing from west to east near the top of the troposphere
What is a Kingdom?
First and largest category used to classify organisms
What is Living?
The condition of being alive
What is the meaning of Magnetic?
Having the power to attract
What is Magnification?
An increase in the apparent size of an object
What is Mainland?
an area that is a part of a continent
What is mass?
the amount of matter in an object
What is a Molecule?
A group of atoms bonded together
What is Multicellular?
Consisting of many cells
What is the Musculoskeletal System?
The system of bones and skeletal muscles that support and protect the body and permit movement.
What is Nervous System?
the network of nerve cells and fibers that transmits nerve impulses between parts of the body.
What is Nonliving?
Not alive
What is Nucleus?
A part of the cell containing DNA and RNA and responsible for growth and reproduction
What is Nutrients?
Compounds in food that the body requires for proper growth, maintenance, and functioning
What is Order?
Group of similar families
What is a Organ?
A collection of tissues that carry out a specialized function of the body
What is Organ System?
A group of organs that work together in performing vital body functions.
What is an Organelle?
A tiny cell structure that carries out a specific function within the cell.
What is Organism?
Any living thing.
What is Oxygen?
O2, inhaled through respiration and required for the processes of the body to occur.
What is Physical weathering?
Breaking down rocks through physical processes like freezing and thawing.
What is a Plant Cell?
Eukaryotic cell, has cell wall and chloroplast.
What is Potential Energy?
Energy that is stored
What is Precipitation
Any form of water that falls from clouds and reaches Earth’s surface as rain, snow, sleet, or hail
What is Proximity?
Closeness
What is Radiation?
Energy that is radiated or transmitted in the form of rays or waves or particles.
What is the Respiratory System?
Brings oxygen into the body and removes CO2, includes nose, trachea, and lungs.
What is Sediment?
rock fragments that have been transported to a different location.
What is Species?
A group of similar organisms that can breed and produce fertile offspring.
What is Speed?
Distance travelled per unit time.
What is Temperature?
A measure of how hot or cold something is.
What is Scientific Theory?
A hypothesis that has been tested with a significant amount of data.
What is a Tissue
A group of similar cells that perform the same function
What is the definition of Transformed?
Chaned
What is Transpiration
Evaporation of water from the leaves of a plant.
What is a Turbine?
Provides the source of mechanical energy for the generator.
What is a Vacuole?
A sac inside a cell that acts as a storage area.
What is the Water cycle?
The continuous process by which water moves from Earth’s surface to the atmosphere and back.
What is Water Vapor?
Water in the form of a gas.
What is Weather?
The condition of Earth’s atmosphere at a particular time and place.
What is Convection?
A current caused by the rising of heated fluid and sinking of cooled fluid
What is a Front?
A boundary between two air masses.
What is aa Cold Front?
A front where cold air moves in under a warm air mass.
What is a Warm Front?
A front where warm air moves over cold air and brings drizzly rain and then are followed by worn and clear weather.
What is Vegetation?
Plant life
What is Sublimation?
A change directly from the solid to the gaseous state without becoming liquid.
What is Inference?
An interpretation based on prior knowledge and experience.
What is a Observation?
Information obtained through the senses.
What is a Net Force?
The overall force on an object when all the individual forces acting on it are added together.
What is the Modern Cell Theory?
- All living things are composed of cells
- Cells are the basic unit of all organisms
- all cells come from pre-existing cells.