Chapter 2 Matter Vocabulary Terms Assignment

Vocabulary Term

Definition

- use the textbook or your notes or Google

1) Use the term correctly in a sentence.

2) Give ONE real life example if possible.

A picture that relates to the vocabulary terms

HOW YOU WILL

REMEMBER this vocabular

y word

Matter Anything that has mass and takes up space

1) My desk and science homework papers are all matter.

2) Me.

I have mass and take up space.

Atom Smallest unit of all matter

1) All elements are made of one specific atom2) Sodium

Chemistry The study of matter and its interactions.

1)the fusion of two elements2) water

Because of chemical formulas

Elements A substance that cannot be brokendown into simpler substances by chemical means. Represented by symbols.

1) The periodic table

2) Fe,H

Gold, and silver

Compounds

2 more atomsof different elements combined together.Can be broken down into simple stable substances

1) compound is formed.2)salt

water

Molecule 2 or more atomscombined together

1) It takes 2 hydrogen and 1 oxygen molecule.

2) Sodium chloride.

A water molecule.

Pure Substance

Matter that has afixed compositionand definite properties

1)is only made up of 1 element2)banana

Brown sugar

Mixtures A combinationof substances that are not chemically combined

1) I made a mixture of paint and water.

2) Cake batter

Cake mix

Homogeneous Mixtures

Substances areevenly distributed

1) I use salt water to gargle when I have sore throat2)salt and water

Gargle solution

Heterogeneous Mixtures

Substances are not evenly distributed

1) The oil and vinegar in my salad is not mixed in properly.2)salad

Italian dressing

Miscible Able to be mixed

1) My dough was mixed perfectly.

2) Flour and water

bread

Immiscible

Not able to be mixed

1) Water and oil are immiscible.2) lava lamp

Lava lamp

Soluble Capable of being dissolved

1) The honey dissolved in the boiling water.

2) Honey tea

Sugar in water

Insoluble Incapable of being dissolved

1) The sand didn’t dissolve in the bucket.

2) Wet sand at the beach.

Wet sand at the beach.

Solution A homogeneous mixture

1) Salt water for the pasta.

2) Boiling the pasta

Salty water

Solubility A measure of the ability of a substance to dissolve in another substance

1) Water colors dissolve easily in water.

2) Food coloring

Tye-dye paint.

Solute A substance dissolved in anotherIt is the minor component of a solution.

1) My sugar dissolved in my tea.

2) sugar

sugar

Solvent A substance in which

1) My pop has corn syrup in

Corn syrup

another substance has been dissolved.It is the major componentof a solution.

it.2) Corn

syrup

Physical Property

Characteristics that can be observed without changing theidentity of a substance

1) I judged her by her physical characteristics.

2) Shiny, hard, smooth

A magnet

Quantitative Physical Properties

Can be measured and assigned a particular value-using numbers to describe substances

1) 31.g of sodium chloride.

2) A scale to measure the quantity of grains.

A scale a t a super market.

Qualitative Physical Properties

Can be observed and described without detailed measurements- using words to describe substances

1) That diamond is shiny.

2) glitter

glitter

Freezing Point

The temperature at which a substance changes from liquid to solid

1) It will take an hour for the jelly to set.

2) Ice cubes

Ice cream

Melting The Ice cubes

Point temperature at which a substance changes from solid to liquid

1) I put the meat on the grill to thaw.

2) cold in the sun

left in the sun

Boiling Point

The temperature at which a substance changes from liquid to gas

1) I put the water for the tea on the stove.

2) Boiling water for the pasta

Hot water in the coffee.

Density How much matter is containedin a certain substance

1) The cake is dense because it has too much flour in it.

2) A dry cake

Too much of something.

Brittleness The ability of a substance to break apart or shatter easily

1) Electronic pencils are very brittle and break easily.

2) Plastic forks

Plastic utensils.

Physical State

The condition of being a solid, liquid, or gas

1) My ice cube melted into liquid.

2) The transition from a liquid to a gas.

Water vapor

Changes of State

Solid to Liquid, Liquid to Solid,Liquid to Gas,

1) Liquids change to gas.

2) The fog on my

Fog on my windows.

Gas to LiquidSolid to Gas,Gas to Solid

mirror after I have a bath

Transparent

Light to travel through the object – clear.

1) Her dress is so transparent I can see through it.

2) A window in a building.

Something I can see through- cling film.

Opaque No light travels through the object.

1) My nail paint was an opaque blue.

2) My notebook

Matt nail polish

Translucent

Some light to travel through the object – blurry/ foggy

1) The car window was fogged up.

2) The lenses of a camera.

Foggy eye glasses

Ductility The ability to stretch out a substance into a long wire

1) My sweats are so stretchable.

2) Elastic band

Hair ties.

Ductility Ability to be drawn out into thin wires.

1) I used copper wires to hold my plants in place.

Copper wire

2) Copper wire

Malleability

The ability to bend and fold substances into different shapes.

1) I folded my paper into 3 sections.

2) paper

foil

Malleability

The ability of a substance to be hammered into sheet.

1) The silver paper on my deserts.

2) Aluminum foil

foil

Elasticity Ability to be stretched or compressed then return to original size

1) The dress returned to its original shape.

2) rubber

The elastic in pants.

Luster The ability of an object to reflect light -- shiny, dull

1) The nail was lustering.

2) The nail

Iron, or diamond.

Color Can be green, blue, yellow, black, reddish-brown, etc.

1) The leaves change color during autumn.

2) My favorite color is black.

rainbows

Clarity The property of letting light pass through something.

1) The picture was very clear.

2) Camera pixels

How clean the mirror is.

Texture How does a 1) The

How the object feels

substance feel? Can be fine, coarse, smooth, waxy, etc.

texture of my dress is smooth.

2) The texture of a pineapple is rough.

when you touch it.

Form/Shape

regular shape (crystalline), irregular shape (amorphous)

1) She has a more rounded face.Each snowflake looks different

Snow flakes

Viscosity The ability of a fluid (liquid and gas) to flow over itself.

1) The water flowed over the cup.

2) A volcano

volcano

Viscosity Resistance of a liquid to flow.

1) The water didn’t come out of the bottle.

2) When an object is blocking its path.

A cork in a wine bottle.

Odor Can be odourless, flowery, spicy, nauseating, sharp, etc.

1) His body odor was nauseating.

2) The perfume smells flowery

What you can smell

Taste Can be sweet, sour, salty and bitter.

1) My palate was dancing with the amazing mix of flavors.

Depend on you taste buds.

2) It is bitter

Thermal Conductivity

The ability to transfer thermal energy (heat) to something else

1) We huddled up so our body heat can warm us up.

2) A blanket.

A body that transfers heat.

Hardness The resistance to being scratched or dented. Given in scale from 1-10 (e.g. talcum/baby powder-1, diamond-10)

1) I scraped my knee on a hard surface

2) The egg shell is hard.

Electrical Conductivity

The ability to conduct electricity

1) We learned how to conduct electricity in science class.

2) Potatoes conduct electricity.

A light bulb.

Magnetism

Magnetism is the force where objects are attracted or repelled to one another. Usually these objects are metals such as iron.

1) We have a variety of magnets from different places on the fridge.

2) A magnet

A force that pulls another force to it.

Chemical A characteris

1) Did you know

water

Property tic that, when observed, results in a substance changing into a new substance, either by combining with other elements or by breaking apart into new substances.

sodium chloride is made up of two different elements that were fused together?

2) salt

Flammability

the ability of a substance to burn when exposed to a flame.

1) When the wood burned it turned to ash.

2) cigarette

cigarette

Corrosion The ability of a substance to react with moist air to form rust

1) When you drop a nail into copper chloride water it begins to rust.

2) over time the nail grew a layer of rust on it

The statue of liberty.( oxidization)

Reactivity- Reactio

n with Acid

- Reaction with Iodine

- Reaction with Base

The capacity of a substance to combine with other substances.

1) When a magnesium ribbon is dropped in acid it reacts by bubbling.

2) If you add lemon to milk, the

Citric products to dairy turns foul.

milk turns bad.

Combustibility

The ability of a substance to burn in air

Physical Change

A change in substance that does not involve a change in identity

1) The water freezes.

2) Liquid-solid.

ice

Chemical Change

A change in which one or more substances are converted into different substances

1) When hydrogen and oxygen molecules are put together to make water.

2) water

water

Chemical Reaction

Chemical Change

1) Sodium chloride is a chemical change.

2) salt

salt

Chemical Formula

Shows how many atoms of each element are in a compound

1) We can use an atom diagram to indicate the number of atoms.

2) Electron cloud

Electron cloud.

Reactants The substances that react in a chemical change

1) The advil helped get rid of my head ache.

2) medicine

medicine

Products The substances

1) I had to boil my

jelly

that are formed by a chemical change

jelly powder in water.

2) jellyNaCl Sodium

Chloride, Table Salt

1) I like salt on my eggs.

2) In our food

Sunny side up eggs.

H2O Water 1) I use water to plant my plants.

2) We drink it

Good for our skin.

Rust Fe2O3 1) The oxidization of copper

2) The Eiffel tower.

A nail

Glucose C6H12O6 1) Photosynthesis is the process of making glucose.

2) sugar

Sweetener; sugar

Mass The measure of the amount of matter

1) I am made up of mass.

2) weight

weight

Weight A measure of the gravitational force exerted on an object in relation to the Earth

1) That box weighs a ton.

2) The weight of apples.

Of our groceries.

Inertia The tendency of all objects to resist any change in motion

1) The tractor has a lot of inertia.

2) A Crain

Hard to move

Volume The amount of

1) The formula

Graduated cylinder.

space taken up by an object

for volume is H*B*W.

2) On the T.V

Dilution The process of adding a solvent to a solution to lower its concentration.

1) I dilute the apple juice with water before giving it to my brother.

2) Mixing juice and water

To mix with water

Meniscus The curved surface at the top of a column of liquid.

1) Our measurement was wrong because we measured from the top of the meniscus.

2) A test tube

A test-tube

Law of Conservation of Mass

The law stating that during a chemical reaction matter is neither created nor destroyed. The mass of the reactants is equal to the mass of the products

1) We learn the law of conservation and mass in class today for chemistry.

2) The reactants mass of the pencil will only change it the mass itself changes.

I-phone.