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Natural Science 3. Unit 4 PHOTOCOPIABLE MATERIAL
REINFORCEMENT Sight
Name: Date: Class:
Label the different parts of the eye.
2 There are three protective parts missing in the picture above. Which ones are they and what is their purpose?
A.
B.
C.
3 Answer the following questions:
a) Which part of the eyeball can be different colours? What colour are your eyes?
b) How does light enter the eyeballs? Colour the correct answer.
c) Why do pupils shrink if there is a lot of light?
d) What is the purpose of the retina?
Iris
Iris
Lacrimal gland
Lacrimal gland
Retina Pupila
Pupil
Eyebrow
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Natural Science 3. Unit 4 PHOTOCOPIABLE MATERIAL
REINFORCEMENT Hearing
Name: Date: Curso: 4
Outer ear Inner ear Middle ear
1 Write the different parts of the ear as shown in the picture.
2 In which part of the ear is the cochlea located? Circle the correct answer.
3 How do ears help us in our daily life? Write an example.
1
2
3
4
5
1
2
3
4
5
4uniT
Natural Science 3. Unit 4 PHOTOCOPIABLE MATERIAL
REINFORCEMENT Smell, taste and touch
Name: Date: Class:
1 Close your eyes. What sense would you use in each case?
2 Locate the area in the tongue where we perceive each type of flavour in the picture below:
3 Name the following parts in the picture. Which part of the sense of smell do we use to distinguish smells?
• Bitter: 1
• Acid: 2
• Salty: 3
• Sweet: 4
4uniT