Grade Eight: Physical Science
Text Book: Science Explorer- Physical Science- Prentice Hall
Motion: Speed, velocity, acceleration; Word problems based on speed, average
speed, velocity and acceleration; Interpret graphs based on speed, velocity
and acceleration
Forces: balanced and unbalanced force, types of forces life gravity,
elasticity and friction; role of gravity in forming and maintaining the
shapes of stars and solar systems.
Structure of matter: Atomic structure; names of elements; formation of
compounds; states of matter and their properties
Periodic table: how to use the periodic table; ability to identify elements
in their respective groups; properties of metals, non-metals, metalloids and
inert gases; Atomic number, mass number, isotopes.
Chemical Reactions: How to write reactant atoms, molecules and products;
conservation of matter; types of chemical reactions
Acid-bases and Salt: Properties, examples and formulae of important acids,
bases and salts; importance of pH and indicators
Density and Buoyancy: define buoyancy and density; calculate density of
substances by measuring mass and volume; forces which make objects float,
submerge and sink
Chemistry of Living things: Role of carbon in life; importance of
carbohydrates, proteins, fats, water and nucleic acids in living organisms
Grade Eight: Algebra
Tools of Algebra: Using variables, exponents and order of operation;
addition, subtraction, multiplication and division of real number;
distributive property
Solving Equations: Two-step and multi-step equation; ratio and proportion;
equations and problem solving
Solving Inequalities: Graphing inequalities; solving inequalities; absolute
value
Graphs and Functions: Graphing on the coordinate plane; relation and
function; function rules; direct and inverse variation; inductive and
deductive reasoning.
Linear equations and graphs: Slope intercept form; standard form; Point
slope
form; writing linear equations.
Systems of equations and inequalities: Solving systems by graphing using
substitution and elimination; application of linear systems; system of
linear
equalities
Exponents: Zero and negative exponents; scientific notation; multiplicative
and division properties of exponents
Polynomials and Factoring: Adding, subtracting, multiplying and dividing
polynomials; Factoring trinomials; factoring by grouping
Quadratic equations and functions: Exploring quadratic graphs; quadratic
functions; finding and estimating square roots; solving quadratic equations;
factoring to solve quadratic equations; understanding word problems using
quadratic formula.
Radical expressions and equations: simplifying radical; Pythagorean theorem;
solving radical equations in word problems
Rational Expressions and equations: Simplifying rational expressions;
multiplying and dividing rational expressions; dividing polynomials;
addition
and subtraction in rational expression; solving rational equations using
word
problems
