How Come: Why Does Ice Cream Melt Word Search

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

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