Word

Inside under the red line you will write the definition.

Use the top half of the page to write facts and draw a picture.

Use the bottom half to answer any question you are given or write a short story and I do mean short.

ElementA pure chemical substance consisting of one type of atom.

Periodic Table A table that displays chemical elements

organized by selected properties of their atomic structures.

Pure substanceA kind of matter that cannot be

separated into other kinds of matter by any physical or chemical process.

Pure gold

Chemical SymbolsA one or two letter code for a chemical

element. Only the first letter is capitalized

CompoundsA chemical substance consisting of two

or more different chemical elements

PrecipitateThe formation of a solid in a

solution or inside another solid during a chemical reaction.

A yellow solid forming

MetalA chemical element that is a good

conductor of electricity and heat. Metals are malleable and have luster.

Iron cookingpan

NonmetalA chemical element that is not a good

conductor of heat and electricity. Nonmetals are brittle and dull.

MetalloidA chemical element that can have

properties (characteristics) of metals and nonmetals.

InsulatorA substance that resists the

flow of electric current and heat.

A thermos keeps coffee hot

BrittleBreaks easy.

MineralsSubstances found in the Earth that are

formed through natural chemical processes.

LusterA substance that reflects light or

shines.

Mohs Hardness Scale

The method of comparing hardness by seeing which minerals can scratch others. How does knowing the

hardness of a mineral help us determine how you use that mineral?

StreakThe color of the powder a mineral produces

when it is dragged across an unweathered surface.

Is the streak a

mineral leaves

behind always

the same color

as the mineral?

DuctilityThe ability of a substance to be

stretched into wire.

Malleability

The ability of a substance to be hammered or shaped into thin sheets.

ConductivityThe ability of a substance to conduct

heat or electricity.

Irregular shaped object

An object that cannot be described by its number of sides.

Ex. Natural rocks are irregularly

shaped.