SCIENCE
MATTER:
It is anything that occupies space, contains mass, has volume, and offers resistance...
CHARACTERISTICS OF MATTER:
These particles are never stationary...
THE PHYSICAL CLASSIFICATION OF MATTER:
Solid, liquid and gas...
EFFECTS OF CAHNGE IN TEMPERATURE ON THE STATE OF MATTER:
Melting, boiling, freezing, evaporation, sublimation...
EFFECTS OF CHANGE IN PRESSURE ON MATTER:
Gases are affected by a change in the atmospheric pressure...
PURE AND IMPURE MATTER:
Matter can be broadly classified into two parts, pure and impure...
ELEMENTS:
Pure chemical substance that has atoms with the same number of protons throughout...
COMPOUNDS:
More elements bonded chemically in a fixed proportion by mass...
HOMOGENEOUS MIXTURES:
Uniform composition and similar properties...
HETEROGENEOUS MIXTURES:
Non uniform in composition and appearance...
METHODS OF SEPARATION OF THE CONSTITUENTS OF MIXTURES:
Depends upon the properties of its constituents...
SOLUTION:
A solution is a homogeneous mixture of two or more substances...
CHANGES IN MATTER:
On the application of energy, matter undergoes certain changes...
LAWS OF CHEMICAL COMBINATION:
ver wonder how and why substances react?...
ATOMS:
An atom is the smallest particle comprising any element...
MOLECULES:
Smallest particles of an element or compound to exist independently...
ELECTRON CONFIGURATION AND VALENCE:
Capacity of the atom of an element to take part in chemical bonding...
CELLS – the building blocks of life:
Structural and functional units of all living organisms...
TYPES OF ORGANISMS:
Unicellular and Multicellular...
PLANT AND ANIMAL CELLS:
All living organisms consist of cells...
MICROSCOPE:
Optical instrument which is used to see objects magnified...
PROKARYOTIC AND EUKARIOTIC CELLS:
The difference between prokaryotic and eukaryotic cells can...
CELL DIVISION:
Cells divide by two processes- mitosis and meiosis...
TISSUES:
Aggregations of similarly specialized cells...
PLANT CELLS:
Collenchymas, sclerenchyma, xylem, phloem...
ANIMAL TISSUES:
Epithelial, connective, muscular, and nervous...
DIVERSITY IN LIVING ORGANISMS:
The vast variety of the living organisms and the vast diversity...
MOTION:
An object is said to be in motion if there occurs a change in its position…
VELOCITY:
It is the distance covered by a moving object in a specific direction...
ACCELERATION:
It is the rate of change of velocity with respect to time...
SPEED:
It is the rate of motion...
FORCE:
It is a push or a pull that causes a body with mass to accelerate...
INERTIA:
The tendency of an object to resist any change in its state...
NEWTON’S LAWS OF MOTION:
There are three laws...
MASS AND WEIGHT:
Difference between them is...
SOUND:
Form of energy that is propagated as waves...