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When water vapor turns back into a liquid. Condensation
When water falls from the atmosphere back to land. Precipitation
When water turns into water vapor. Evaporation
The water cycle helps regulate ___________________________. Temperature
Covers 70% of the Earth. Water
Water is a basic _______________________ of nature. Element
When plants release water on to their leaves that then evaporates into vapor. Transpiration
Depending on _______________________ precipitation could be rain, snow, sleet, or even hail. Temperature
When water does not get absorbed into the soil. run-off
A large collection of tiny droplets of water or ice crystals. Cloud
The journey of water from the Earth's surface to the atmosphere, and back again. WaterCycle
the space it takes up an object/ can be measured volume
is anything that takes up space matter
the measure of how tightly matter is packed in an object, whether how an object will float or sink, and is a combination of mass and volume density
when any state of matter changes its substance that cannot be reversible chemical changes
when any state of matter changes, but can come back to its original shape physical changes
when the farthest particles on the surface of the liquid escape into the air and become gas Evaporation
the amount of matter in an object mass
how strongly gravity pulls on an object weight
the chnage from a state from a solid to a liquid melting
One that does not have a uniform composition and in which the individual substance remain distinct Heterogeneous Mixture
One that has a uniform composition throughout and always has a single phase; also called a solution Homogeneous Mixture
States that mass is neither created nor destroyed during a chemical reaction but is conserved Law Of Conservation of Mass
A physical blend of two or more pure substances in any proportion in which each substance retains its individual properties; can be separated by physical means mixture
A form of matter that has a uniform and unchanging composition; also known as a pure substance substance
A uniform mixture that may contain solids, liquids, or gases;also called a homogeneous mixture solution
matter are observable in everyday life: solid, liquid, gas, and plasma states of matter
the characteristics of a substance. properties
one substance is mixed with another and dissolves in the substance solution
state a substance reaches when it changes from a solid or liquid to a gas either at room temperature or boiling temperature. evaporation
the gaseous state of water water vapor
Cubes of water that has frozen Ice
Series of chemical reactions used to release energy stored in food molecules Respiration
Systematic approach to problem solving Scientific Method
When a food product goes bad Spoiled
Machine that keeps food frozen Freezer
Yummy treat on a hot summers day Ice Cream
Factor tested in an experiment Variable
The standard used to compare with the outcome of a test Control
What happened to Ice Cream when left at room temperature Melts
Smallest units of matter Atom
An explanation of things based on many observations Theory
Characteristics; notable properties or features Attributes
a homogeneous mixture of gases air
the smallest particle of an element that still has the properties of the element atom
a homogeneous mixture of metals primarily copper and zinc bronze
a chemical change when something reacts rapidly with oxygen burning
a force which a liquid exerts upward on objects bouyant
tarnishing is an example of this type change chemical
a form of carbon, it is an unrenewable source of energy coal
Milk is an example of this type mixture. This type mixture can scatter light. Colloid
What matter is made of. It is fixed for a pure substance Composition
A pure substance made up of two or more elements chemically combined compound
Changing of a vapor into a liquid Condensation
For water to condense, the temperature must _______________. Decrease
A chemical reaction when a material begins to breakdown into simpler substances Decomposition
Mass divided by volume, this is a physical property density
A chemical reaction when matter starts breaking down. Decay
As a liquid is heated, it changes from a liquid to a vapor boiling
Energy fuels which are not renewable Fossil
A physical change when liquid slowing changes to a vapor evaporation
Energy is converted to this when magnets rotate in a generator Electricity
A pure substance made up of only one type atom element
When water freezes it _____________ expands
A colloid composed of dust particles and water droplets Fog
The heat required to convert a solid to a liquid is called the Heat of ________________ Fusion
To ____________ is to convert a liquid to a solid Freeze
This from of matter has particles moving very rapidly, has no definite shape and no definite volume Gases
A heterogeneous mixture when several types of rock present Granite
A mixture in which you can see the various parts heterogeneous
A mixture such as a solution where everything looks the same homogeneous
As temperature increases, the kinetic energy of the molecules __________________. 'increases
As kinetic energy increases, the _______________________________ increases temperature
A temperature increase indicates a/an _____________________ in kinetic energy Increase
The energy of motion Kinetic
A solid _______ when heat is added, turning into a liquid melts
The source of geothermal heat magma
the source of solar energy sun
a homogeneous liquid coolade
a state of matter with moderately fast moving particles and no definite shape liquid
One of the two types of matter, It is not chemically combined and does not have a definite fixed comnposition mixture
The smallest particle of a compound molecule
Per the Kinetic Molecular Theory, particles are in constant _____________ MOTION
When matter reacts with oxygen it is said to ____________________ oxidize
Another nonrenewable fuel petroleum
Changes which do not produce a new substance Physical
When iron reacts with oxygen , this chemical change is called ________________ rusting
A chemical change occurs when wood _______ rots
A compound containing sodium and chlorine salt
a heterogeneous mixture sand
A state of matter where the particles are very close together and move very slowly soild
A physical property defined as the quantity of matter present. mass
If this word is used, it will always result in a chemical change reacts
a homogeneous mixture solution
To change directly from a solid to a vapor sublimation
The heat added to change a liquid to a vapor id heat of _________________ vaporization
The effect of shining a light through a colloid or suspension Tyndall
Another name for a gas vapor
This liquid expands when it freezes water
the resistancce of a liquid to flowing viscosity
the amount of space matter occupies volume
a solid less dense than water will ___________ float
Our atmosphere contains 78% free _________________________. Nitrogen
Animals need nitrogen to produce ______________________. Proteins
What molecule is produced when nitrogen is fixed? Ammonia
Animals get nitrogen into their systems by eating _______________. Plants
Large organic molecule containing nitrogen that contains your genetic information. DNA
Prokaryote responsible for "fixing" nitrogen. Bacteria
_________________________ occurs when fertilizer runoff causes excess algae and water weeds. Eutrophication
Process where water "evaporates" from plants. Transpiration
What "powers" the water cycle? Sun
Rain, snow, sleet, or hail. Precipitation
The downward entry of water into the soil or rock surface. Infiltration
Process by which water changes from a liquid to a gas. Evaporation
Oats, peas, beans, corn Legumes
Helps plants to grow. Fertilizer
Bacteria that break down organic matter. Decomposers
Process by which water vapor turns into liquid water. Condensation
Any characteristic of a material that can be observed or measured without changing the composition of the substances in the material Physical Property
In general, the most dense phase of matter is Solid
Any change in size, shape, or phase of matter in which the identity of a substance does not change, is considered chemical change
When the temperature increases enough for the substance to turn from solid to liquid melting point
An increase of temperature of liquids where bubbles form and heat up Boiling point
Property of matter only evident by transforming the substance Chemical Property
Fluid, set volume but not shape Liquid
Fluid, not set volume or shape, will fill container Gas
32 degrees fahrenheit, 0 degrees celsius Freezing Point
physically distinctive form of matter, such as a solid, liquid, gas or plasma Phase
a phase transition from the liquid phase to vapor Vaporization
the ability of a substance to burn or ignite, causing fire or combustion Flammability
make or become liquefied by heat Melting
Ionized gas, a gas into which sufficient energy is provided to free electrons from atoms or molecules and to allow both species, ions and electrons, to coexist. Plasma
phase transition in which a liquid turns into a solid when its temperature is lowered below its freezing point Freezing
Rapid vaporization of a liquid Boiling
Water that collects as droplets on a cold surface when humid air is in contact with it Condensation
Chemical process where a solid turns into a gas without going through a liquid stage Sublimation
Solid where the atoms form a periodic arrangement Crystal
Process of a substance in a liquid state changing to a gaseous state due to an increase in temperature and/or pressure Evaporization
The state of matter in which materials have a definite shape and a definite volume Solid
The state of matter in which a material has a definite volume but not a definite shape Liquid
The state of matter in which ba material has neither a definite shape or a definite volume Gas
The energy an object has due to it's motion Kinetic Energy
A result of force distibuted over an area Pressure
A temperature of zero Kelvins Absolute zero
The direct proportion of the volume of a gas to it's temperature if it is constant CHarles law
The inverse relationship between volume and gas Boyles law
A reversable physical change that occurs when a substanve changes states of matter Phase change
A description of change in which a system absorbs energy from it's surroundings Endothermic
The energy a substance must absorb into change from solid to liquid Vaporization
A description of change in which a system releases energy to it's surroundings Exothermic
The phase change in which a substance changes from liquid to gas Vaporization
The energy a substance must absorb in order to change from solid to liquid Heat of Vaporization
The process that changes a substance from liquid to gas based on temperature Evaporation
The pressure caused by the collisions of particles in a vapor with the walls of a container Vapor pressure
The phase change in which a substance changes from a gas or vapor to a liquid Condensation
The phase change in which a substance changes from a solid to a gas or vapor without changing to a liquid first Sublimation
The phase change in which a gas or vapor changes directly into a solid without first changing into a liquid Deposition
the rate a temperature changes Heating Curve
a diagram representing the limits of stability of the various phases in a chemical system at equilibrium , with respect to variables such as composition and temperature Phase Diagram
a change from one state (solid or liquid or gas) to another without a change in chemical composition Phase Diagram
the process of becoming a vapor Evaporation
the process of changing from a gaseous to a liquid or solid state Condensation
heat absorbed by a unit mass of a material at its boiling point in order to convert the material into a gas at the same temperature Heat of Vaporization
heat absorbed by a unit mass of a solid at its melting point in order to convert the solid into a liquid at the same temperature Heat of Fusion
the process whereby heat changes something from a solid to a liquid Melting
the withdrawal of heat to change something from a liquid to a solid Freezing
the application of heat to change something from a liquid to a gas Boiling
the particular temperature and pressure at which the solid, liquid, and gaseous phases of a given substance are all at equilibrium with one another. Triple Point
that matter is made of small particles all in random motion Kinetic Theory Matter
are tightly packed, vibrating about a fixed position definite shape and definite volume Solid
are tightly packed, but far enough apart to slide over one another indefinite shape and definite volume Liquid
very far apart and move freely indefinite shape and indefinite volume Gas
ionized gas. good productor of electricity and affected by magnetic fields both indefinite shape and indefinite volume Plasma
the number of calories required to raise the temperature of 1 gram of a substance 1°C, or the number of BTU's per pound per degree F Specific Heat
the heat required to raise the temperature of a substance one degree Heat Capacity
an apparatus for measuring quantities of heat Calorimeter
the measurement of heat Calorimetry
the energy of a body or a system with respect to the motion of the body or of the particles in the system Kinetic Energy
the act, fact, or process of subliming Sublimation
the settling of particles or sediment onto a surface. The particles may originate from a vapor, solution, suspension, or mixture Deposition
Kinetic Theory
Balloon
Water
far apart
moving freely
ice cube
Vibrating
Containers
Atmospheric Layers
Pascal
Viscosity
Pressure
Buoyancy
Thermal expansion
Plasma
Diffusion
Heat of vaporization
Boiling point
Heat of fusion
Melting Point
This mixing method is used for pastries and biscuits. Biscuit
A common mixing method requires just one of these. Bowl
A mixture that is similar to a dough but has more liquid in it. Batter
Produce during baking as water in the product heats. Steam
An ingredient that adds flavor,nutrients, richess,and color. Egg
Products with this type of filling must be refrigerated to prevent spoliage. Cream
Cream of tartar is a powdered ___ found in baking powder. Acid
This type of dough is firm to the touch. Stiff
The most common sugar. Sweetener
Flavoring in liquid form. Extract
If the ___ is too large or too small, a baked product will not be baked properly. Pan
Products bake by dry heat in a ___ oven. Conventional
Do this the oven to ensure accuracy of cooking times. Pre-heat
To work dough with the hands to mix ingredients and develop gluten. Knead
This ingredient combines with an acid liquid to produce gas for leavening. Soda
This kind of paper may melt if used as a pan liner. Waxed
This type of batter is thick and is usually spooned into pans. Drop
This kind of paper is recommended as a suitable pan liner. Parchment
This type of batter is thin enough to pour in a steady stream. Pour
Wax in waxed paper does this when heated. Melt