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Science (55 Cards)

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Name 3 states of matter

Solid liquid gas

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has definite shape and volume

Solid

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Has definite shape but NO volume

Liquid

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Has no shape or definite volume

Gas

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Molecules are together and vibrate

SOlid

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Molecules have enrgy that allowd them to move around eachother

Liquid

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What is the law of conservation

Energy cannot be created or destroyed it just changes forms

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What happes to the temperature of a substance as it phase changes

temp stays the same

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What does a phase change look like??

starts at solid... goes flat.. changes to liquid... goes flat... gas

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When a liquid changes to a gas at the surface it is known as

Evaporation

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When liquid changes to a gas within the solution it is known as

VAporization

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Explain how the drinking bird works?

Alcohol absorbed heat. heat becomes heavy, as it cools bird falls back

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When a solution/mixture aabsorbs heart and is cool to the touch

Endothermic

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When a solution/mixture gives off hear and is warm to the touch

Exdothermic

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All matter is made up of tiny substances called ___ that are in constant motion

Atoms

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What is the kenetic theory q

Molecules are in constant motion

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WHat is a physical change ? give an example

Color shape smell.. changes the outside but its still the same chemical paper

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what is a chemical change? give an example

completely different then the original burning

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What is flammability? is it a chamical property

burning SLOWLY yes sulfur

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What is a combustibility? is this a chemical property

something burns quicklly-- explodes

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What is a physical property? give three expls

anything that describes

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what is visoscity? compare with water and maple syrup

ability ro flow
water-fast
syrup-slow

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What is an amporphic solid? Give 2 expls

solid that changes.. glass plastic wax

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What is a crystaline soloid? give examples

geometric shape

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why do the windows of pre-civil war have a wavy apperence to them??

amorphic

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Define the following solute solvent and solution

Solute-least of
Solvent- most of
Solution- Solute + Solvent = solu..

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a solution is said to be 75% concertrated what does this mean??

75% is water>

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If 15 grams of salt was added to 85ml of water what is the concentration of the salt?

15%

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What does supersaturated mean??

overful: add heat=crystals

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Contrast saturated and unsaturated

saturated- when it blends
unsaturated- doesnt blend

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Contrast homogenouse to heterogenous

homo-looks alike
hetero-different

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What is chromotography

split apart pigments & recorded colors

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What is an element

pure substance cant be broken down

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What is a compund

2 or more elements-end with diff product- can break down

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a substance that can be hit without chattering is a physical property called??

Mallable

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__ is known as the universal solvent

Water

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Elecrically charged atoms produce this state of matter...its the hottest one and had most energy

Plasma

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When molecules come closer together its referred to as

condensing

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when molecules move further apart because of heat it is known as

Expanding

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tiny particles that make up matter

Atoms

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type of matter that had a definite shape and a definite volume?

Solid

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What happens to the speed of matter as it is heated

moves faster

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What diamond is made up of matter in which particles area arranged in a repeating geometric pattern called

Crystalline

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No definite volume or shape

Gas

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__ is any substance that had a mass and takes up volume

GAs

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when the miuxture seems to be the same throughout , cant destinguish between molecules

homogenous

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definite volume non shape

Liquid

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point when solid changes to a liquid

melting

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a phase change will occure when --- is affef or subtracted from an item

heat

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when molecules can be determind from one another

Heterogenous

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point when liquid goes to sokid

freezinfg

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latin term meaning color

Chromo

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4 states of matter highest to lowest

Solid liquid gas plasma

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what type of solid (glass) appears wavy? why?

Amorphic gravity

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Explain chromotography

heavier colors sit at the bottum lighter colors are moved to the top

Flashcard set info:

Author: AlyJean

Main topic: Chemistry

Topic: Matter

Published: 11.03.2010

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Science (55 Cards)