Science 2012
Title :
DEVISES USED TO
OVERCOME THE
LIMITATION OF SIGHT
AND HEARING
Name: Ng Chean Wy
Class: 2B6
Year: 2013
Teacher’s Name:
Introduction
This scrapbook is about devices used to overcome the limitation of sight and hearing. There are many ways human beings can lose their sense of sight and hearing, such as deformity at birth, illness and accidents. Human beings have learnt to overcome this by a variety of ways through experience, religion, scientific discovery and medicine. To prevent losing sight and hearing, human beings should be more observant and precaution of their surroundings.
Most of the people in this world do not appreciate their gift from god, most of them even cut off their ear to get money, and some of them even pluck out their eye for money. Your eyes and ears can do many things such as watching a movie, watching football match and so on, so by that we must that gift and use it for good purposes and not bad one
Objectives
To Gather Information About :
-Device used to overcome the limitation of sight.
-Device used to overcome the limitation of hearing.
Device used to overcome the limitation of sight.
(Microscope) [pic]
Instrument to magnify object such as virus
Objective lens and eyepiece magnifying image
Types: light microscope, electron microscope
(Magnifying glass) [pic]
Limited magnifying power-10 to 15 times
Use to see small objects
Magnifying glass is convex lens
(Telescope)
[pic]
Viewing distant object: stars, moon, planet
Consists of two convex lens- objective and eyepiece lens
The image produced by the objective lens magnified by the eyepiece lens
(Binoculars) [pic]
Ultrasonic waves- create image – organs or foetus in the body
The parts of the binoculars and their function are the same as those a telescope
Binoculars are actually a pair of a telescope
Use – watch horses running in a
DEVISES USED TO
OVERCOME THE
LIMITATION OF SIGHT
AND HEARING
Name: Ng Chean Wy
Class: 2B6
Year: 2013
Teacher’s Name:
Introduction
This scrapbook is about devices used to overcome the limitation of sight and hearing. There are many ways human beings can lose their sense of sight and hearing, such as deformity at birth, illness and accidents. Human beings have learnt to overcome this by a variety of ways through experience, religion, scientific discovery and medicine. To prevent losing sight and hearing, human beings should be more observant and precaution of their surroundings.
Most of the people in this world do not appreciate their gift from god, most of them even cut off their ear to get money, and some of them even pluck out their eye for money. Your eyes and ears can do many things such as watching a movie, watching football match and so on, so by that we must that gift and use it for good purposes and not bad one
Objectives
To Gather Information About :
-Device used to overcome the limitation of sight.
-Device used to overcome the limitation of hearing.
Device used to overcome the limitation of sight.
(Microscope) [pic]
Instrument to magnify object such as virus
Objective lens and eyepiece magnifying image
Types: light microscope, electron microscope
(Magnifying glass) [pic]
Limited magnifying power-10 to 15 times
Use to see small objects
Magnifying glass is convex lens
(Telescope)
[pic]
Viewing distant object: stars, moon, planet
Consists of two convex lens- objective and eyepiece lens
The image produced by the objective lens magnified by the eyepiece lens
(Binoculars) [pic]
Ultrasonic waves- create image – organs or foetus in the body
The parts of the binoculars and their function are the same as those a telescope
Binoculars are actually a pair of a telescope
Use – watch horses running in a