Human Being (Living) -
Human beings are the most social animal of all living creatures.
There are estimated to be more than 7 billions human beings on the
planet.
Animals (Living) –
Animals are living thing that can move independently and that has
senses for recognising and reacting to the environment around it.
Animals are divided into two groups, vertebrates and invertebrates.
Birds (Living) – Birds
are a group of endothermic vertebrates, characterised by feathers,
toothless beaked jaws, the laying of hard-shelled eggs, a high
metabolic rate, a four-chambered heart, and a lightweight but strong
skeleton. Birds live worldwide and range in size from the 5 cm bee
hummingbird to the 2.75 m ostrich.
Aquatic Animals (Living) -
Aquatic animal is an animal, either vertebrate or invertebrate,
which lives in water for most or all of its life. It may breathe air
or extract its oxygen from that dissolved in water through
specialised organs called gills or directly through its skin.
Plants (Living) – Plants
are one of five big groups of living things. They have complex cells
and make their own food. Usually they cannot move. Plants include
familiar types such as trees, herbs, bushes, grasses, vines, ferns,
mosses and green algae. There are about 350,000 extant (living)
species of plants.
Insects (Living) –
Insects are are small terrestrial invertebrates which have a hard
exoskeleton. Insects are the largest group of animals on earth by
far, about 926,400 different species have been described. Insects
have six legs and most have wings. Insects were the first animals
capable of flight.
Tools (Non Living) – A
tool is any physical item that can be used to achieve a goal,
especially if the item is not consumed in the process. Tools are
things used to make tasks easier. Tools have changed over time. The
first tools were made in the Stone Age and Bronze Age. Throughout
history, people have made many new and more complicated tools.
Appliances (Non Living) –
Appliances are a machine used for routine housekeeping tasks such as
cooking, washing laundry, food preservation etc. Appliances often
have a home version and a commercial version. Commercial version is
designed to be used continuously & have higher capacity.
Vehicles (Non Living) – A
vehicle is a mobile machine that transports people or cargo. Typical
vehicles include wagons, bicycles, motor vehicles (motorcycles,
cars, trucks, buses), railed vehicles (trains, trams),
watercraft(ships, boats), aircraft and spacecraft.
Books (Non Living) – A
book is a set of written, printed, illustrated or blank sheets, made
of ink, paper, parchment or other materials, fastened together to
hinge at one side. A single sheet within a book is a leaf and each
side of a leaf is a page.
Computer (Non Living) – A
computer is a general purpose device that can be programmed to carry
out a set of arithmetic or logical operations automatically. There
are four main processing steps in a computer and they are:
inputting, outputting, storage and processing. These four steps help
the computer to work.
Building (Non Living) – A
building is a structure with a roof and walls standing more or less
permanently in one place, such as a house or factory. Buildings come
in a variety of sizes, shapes and functions. Buildings mostly built
for shelter. Buildings can shelter people, animals, machinery or
anything.
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