8TH GRADE SCIENCE Chapter 1 Lesson 1

ANYTHING THAT HAS MATTER AND OCCUPIES SPACE

MATTER

THE STUDY OF MATTER AND HOW IT CHANGES

CHEMISTRY

A SINGLE KIND OF MATTER THAT IS PURE

SUBSTANCE

A PROPERTY THAT IS MEASURABLE OR OBSERVABLE

PHYSICAL PROPERTY

THE BASIC COMPOSITION OF THE SUBSTANCE IS CHANGED

CHEMICAL PROPERTY

8TH GRADE SCIENCE Chapter 1 Lesson 2

A SUBSTANCE THAT CANNOT BE BROKEN DOWN INTO ANOTHER SUBSTANCE

ELEMENT

the smallest part of an element that has the same properties of that element Beryllium

Atoms are the smallest part of an element that has the same properties of that element Beryllium

ATOM

WHAT IS FORMED WHEN ATOMS COMBINE?

A CHEMICAL BOND

A GROUP OF TWO OR MORE ATOMS HELD TOGETHER BY CHEMICAL BONDS

MOLECULE

A SUBSTANCE MADE UP OF ELEMENTS BOUND IN A SET RATIO

COMPOUND

THE AMOUNT OF MATTER IN AN OBJECT

MASS

MEASUREMENT OF THE PROPERTIES OF MATTER USED BY SCIENTISTS

INTERNATIONAL SYSTEM OF UNITS (SI)

A GROUP OF 2 OR MORE ATOMS HELD TOGETHER BY A CHEMICAL BOND

Molecules Water

A SUBSTANCE MADE OF TWO OR MORE ELEMTNTS THAT ARE CHEMICALLY COMBINED IN A SET RATIO

COMPOUND

A COMPOUND SHOWING ELEMENTS OF THE COMPOUND AND THE RATIO OF ATOMS

CHEMICAL FORMULA

SUBSTANCES TOGETHER BUT ATOMS NOT CHEMICALLY BONDED

MIXTURE

8TH GRADE SCIENCE Chapter 1 Lesson 3

THE MEASURE OF THE FORCE OF GRAVITY ON YOU

WEIGHT

THE AMOUNT OF MATTER IN AN OBJECT

MASS

THE AMOUNT OF SPACE THAT A MATTER OCCUPIES

VOLUME

VOLUME OF IRREGUALR OBJECTS

THE MEASURE OF THE MASS OF A MATERIAL IN A GIVEN VOLUME

DENSITY

A SUBSTANCE THAT CANNOT CHANGE ONTO ANOTHER SUBSTANCE Physical and chemical reaction examples https://www.youtube.com/watch?v=yIJ2qnUOOwQ

PHYSICAL CHANGE

A SUBSTANCE THAT CHANGES INTO A DIFFERENT SUBSTANCE

CHEMICAL CHANGE

MATTER CANNOT BE CREATED OR DESTROYED

LAW OF CONSERVATION OF MASS

HOW HOT OR COLD A THING IS

TEMPERATURE

ENERGY THAT COMES FROM HEAT

THERMAL ENERGY

WHEN ENERGY IS ABSORBED

ENDOTHERMIC CHANGE

WHEN ENERGY IS RELEASED

EXOTHERMIC CHANGE

STORED IN BONDS BETWEEN ATOMS

CHEMICAL ENERGY

INTERACTIVE PHYSICAL SCIENCE 8TH GRADE CHAPTER 2 LESSON 1

DEFINITE SHAPE, DEFINITE VOLUME

SOLID

SOLIDS MADE UP OF CRYSTALS

CRYSTALLINE SOLIDS

PARTICLES NOT ARRANGED IN REGULAR PATTERN

AMORPHOUS SOLIDS

DEFINITE VOLUME BUT NOT DEFINITE SHAPE

LIQUID

SUBSTANCE THAT FLOWS

FLUID

INWARD FORCE OR PULL

SURFACE TENSION

RESISTANCE TO FLOWING

VISCOSITY

NEITHER DEFINITE SHAPE NOR DEFINITE VOLUME

GAS