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Side A ------ Side B
Analyze ------ To separate into basic parts; to evaluate results of an experiment.
Closed system ------ A system in which matter may not enter or leave.
Conclusion ------ A statement of the findings of an experiment that is supported by scientific evidence (data).
Controlled variable ------ The conditions that are kept the same from trial to trial in a scientific investigation.
Responding variable ------ The factor of a system being investigated that changes in response to the independent (manipulated) variable.
Hypothesis ------ A testable prediction for a specific problem or question based on what has already been learned.
Independent (maniuplated) variable ------ The factor of a system or experiment that is changed to determine its relationship to the dependent (responding) variable.
Model  ------ A simplified representation of a system. Useful for studying systems that are too big, too small, or too dangerous to study directly.
Subsystem ------ A smaller group of interrelated parts within a larger system.
System ------ A group of interrelated parts or conditions through which matter, energy, and information flow.
Boiling point ------ The temperature at which a liquid changes state and becomes a gas.
Characteristic Propertiy ------ A distinguishable trait, quality, or property.
Chemical reaction ------ A process that results in the conversion of chemical substances (reactants) to other substances (products). Products generally have different chemical properties from the reactants.
Condensation ------ The change of the physical state of matter from a gas to a liquid.
Gas  ------ A state of matter consisting of a collection of particles without a definite shape or volume.
Liquid ------ A form of matter that takes the shape of its container and has a definite volume.
Melting point ------ The temperature at which a solid becomes a liquid.
Physical change ------ Any change of a substance that is reversible, such as a change of state from solid to liquid, or liquid to gas.
Solubility ------ The ability of a given substance to dissolve in a liquid.
Solution  ------ A mixture in which particles of one substance are evenly distributed through another substance.
Adaptation ------ Any change in the structure or functioning of an organism that is favored by natural selection and makes the organism better suited to its environment.
Atmosphere ------ A layer of gases that surrounds the Earth and other planets.
Condution ------ The transfer of heat energy a warmer substance to a cooler substance through direct contact
Convection ------ The physical movement of molecules within fluids (e.g. liquids and gases); one of the major modes of heat transfer.
Eclipse ------ An astronomical event that occurs when one celestial object moves into the shadow of another.
Ecosystem ------ A natural unit consisting of all planets, animals, and microorganisms (biotic factors) in an area functioning together with all of the nonliving physical (abiotic) factors of the environment.
Fault ------ In geology a rock fracture that shows evidence of relative Earth movement. Some may extend hundreds or even thousands of kilometers.
Organism ------ A living thing such as an animal, plant, fungus, or microorganism. Capable of reacting to stimuli, reproduction, growth, and maintenance as a stable whole.
Producer ------ An organism that makes its own food.
Solar System ------ The Sun and those celestial objects bound to it by gravity, including eight planets, moons, dwarf planets, plutoid, asteroid, meteoroids, and other small bodies.
Atom ------ The smallest unit of matter consisting of a dense central nucleus surrounded by a cloud of negatively charged electrons.
Compound ------ A substance consisting of two or more different elements chemically bonded together.
Conservation of Mass ------ A physical law stating that the total amount of mass isn a closed system remains constant. Also stated as: mass can be neither created nor destroyed- only rearranged.
Decompose ------ To break down into simpler forms of matter
Density ------ Mass per unit volume
Element ------ A pure chemical substance composed of the same type of atom.
Gravity ------ The force of attraction between two objects
Mass ------ A measure of the amount of matter in an object
Proton ------ A positively charged particle located in the nucleus of an atom.
Weight ------ The strength of the gravitational pull on an object.
Accelerate ------ Change in velocity over time. The rate at which sometimes speeds up or slows down.
Conservation of Energy ------ A physical law stating that the total amount of energy in a closed system remains constant. Also stated as energy cannot be created or destroyed- only changed from one form to another.
Energy ------ The ability to do work
Energy transformation ------ Change of energy from one form to another.
Force ------ A push or pull. (In physics, it is whatever can cause an object with mas to accelerate. Has both magnitude and direction, making it a vector quantity.)
Frictional force ------ The force acting in the opposite direction of motion.
Heat ------ The transfer of thermal energy between substances
Matter ------ Anything that has mass and that takes us space.
Speed ------ The rate of motion; the distance traveled divded by the time of travel.
Temperature ------ An average measure of how quickly the particles of matter are moving in a substance.

Side A ------ Side B
Analyze ------ To separate into basic parts; to evaluate results of an experiment.
Closed system ------ A system in which matter may not enter or leave.
Conclusion ------ A statement of the findings of an experiment that is supported by scientific evidence (data).
Controlled variable ------ The conditions that are kept the same from trial to trial in a scientific investigation.
Responding variable ------ The factor of a system being investigated that changes in response to the independent (manipulated) variable.
Hypothesis ------ A testable prediction for a specific problem or question based on what has already been learned.
Independent (maniuplated) variable ------ The factor of a system or experiment that is changed to determine its relationship to the dependent (responding) variable.
Model  ------ A simplified representation of a system. Useful for studying systems that are too big, too small, or too dangerous to study directly.
Subsystem ------ A smaller group of interrelated parts within a larger system.
System ------ A group of interrelated parts or conditions through which matter, energy, and information flow.
Boiling point ------ The temperature at which a liquid changes state and becomes a gas.
Characteristic Propertiy ------ A distinguishable trait, quality, or property.
Chemical reaction ------ A process that results in the conversion of chemical substances (reactants) to other substances (products). Products generally have different chemical properties from the reactants.
Condensation ------ The change of the physical state of matter from a gas to a liquid.
Gas  ------ A state of matter consisting of a collection of particles without a definite shape or volume.
Liquid ------ A form of matter that takes the shape of its container and has a definite volume.
Melting point ------ The temperature at which a solid becomes a liquid.
Physical change ------ Any change of a substance that is reversible, such as a change of state from solid to liquid, or liquid to gas.
Solubility ------ The ability of a given substance to dissolve in a liquid.
Solution  ------ A mixture in which particles of one substance are evenly distributed through another substance.
Adaptation ------ Any change in the structure or functioning of an organism that is favored by natural selection and makes the organism better suited to its environment.
Atmosphere ------ A layer of gases that surrounds the Earth and other planets.
Condution ------ The transfer of heat energy a warmer substance to a cooler substance through direct contact
Convection ------ The physical movement of molecules within fluids (e.g. liquids and gases); one of the major modes of heat transfer.
Eclipse ------ An astronomical event that occurs when one celestial object moves into the shadow of another.
Ecosystem ------ A natural unit consisting of all planets, animals, and microorganisms (biotic factors) in an area functioning together with all of the nonliving physical (abiotic) factors of the environment.
Fault ------ In geology a rock fracture that shows evidence of relative Earth movement. Some may extend hundreds or even thousands of kilometers.
Organism ------ A living thing such as an animal, plant, fungus, or microorganism. Capable of reacting to stimuli, reproduction, growth, and maintenance as a stable whole.
Producer ------ An organism that makes its own food.
Solar System ------ The Sun and those celestial objects bound to it by gravity, including eight planets, moons, dwarf planets, plutoid, asteroid, meteoroids, and other small bodies.
Atom ------ The smallest unit of matter consisting of a dense central nucleus surrounded by a cloud of negatively charged electrons.
Compound ------ A substance consisting of two or more different elements chemically bonded together.
Conservation of Mass ------ A physical law stating that the total amount of mass isn a closed system remains constant. Also stated as: mass can be neither created nor destroyed- only rearranged.
Decompose ------ To break down into simpler forms of matter
Density ------ Mass per unit volume
Element ------ A pure chemical substance composed of the same type of atom.
Gravity ------ The force of attraction between two objects
Mass ------ A measure of the amount of matter in an object
Proton ------ A positively charged particle located in the nucleus of an atom.
Weight ------ The strength of the gravitational pull on an object.
Accelerate ------ Change in velocity over time. The rate at which sometimes speeds up or slows down.
Conservation of Energy ------ A physical law stating that the total amount of energy in a closed system remains constant. Also stated as energy cannot be created or destroyed- only changed from one form to another.
Energy ------ The ability to do work
Energy transformation ------ Change of energy from one form to another.
Force ------ A push or pull. (In physics, it is whatever can cause an object with mas to accelerate. Has both magnitude and direction, making it a vector quantity.)
Frictional force ------ The force acting in the opposite direction of motion.
Heat ------ The transfer of thermal energy between substances
Matter ------ Anything that has mass and that takes us space.
Speed ------ The rate of motion; the distance traveled divded by the time of travel.
Temperature ------ An average measure of how quickly the particles of matter are moving in a substance.