TOPIC 2 SIGHT AND HEARING

SIGHT AND HEARING

1. COPY AND COMPLETE THE EXERCISE ON YOUR NOTEBOOK

1.      We use the sense of sight to distinguish:

·         shape and colour.
·         Size and distance of objects
WE NEED LIGHT TO SEE

The eyes are the organs of sight.

Exercise. Write the function of the following parts of the eye:

a)    Eyelid

b)    Eyelash

c)    Eyebrow

d)    Cornea

e)    Pupil

f)     Iris

g)    Lens

h)    Retina

i)     Optic nerve

COPY THE BOX FROM THE LOWER PART OF PAGE 20

Exercise:Draw an eye and label its parts, you can look at the image from page 20.

3ºA 7-11-2018

2.    We use the sense of hearing to distinguish different sounds and find out where a sound comes from. (WRITE AN EXAMPLE OF EACH SOUND)

·         Loud

·         Soft

·         High

·         Low

Ears are the sense organs of the sense of hearing, they are divided into three different parts:

·         Outer ear

·         Middle ear

·         Inner ear

. COPY AND COMPLETE THE EXERCISE ON YOUR NOTEBOOK

Exercise. Draw and label the main parts of the ear. You can check the image from page 21.

Copy the brown box from page 21

3ºB 08-11-18