5.2 The senses

• Science
• Middelbare school
• havo
• Leerjaar 1

What is the translation of the following word:
senses

1. zinnen
2. geuren
3. zintuigen
4. tijden

the senses are in your?

1. organs
2. ears, eyes, tongue, nose
3. ears, eyes, tongue, nose, skin
4. in your brain

Decide for the blue words whether it is an example of a  sense organ, sense or stimulus. 

Sense organ

Sense 

Stimulus

Ears

Chemicals in the air

Pressure

Feeling

Vision

Skin

Sound

Taste

Tongue

SENSE

SENSE ORGAN

STIMULUS

SENSORY 

RECEPTOR

NEURONS

Hearing

Sound waves

Ear

Convert stimuli into nerve impulses

Transport nerve impulses 

Form a connection between the senses and the brain

Senses of humans

Responding to stimuli

1. Your phone rings. The sound of the phone ringing is a stimulus.
2. Sensory receptors in your ear receive the sound and change it into nerve impulses.
   
3. The nerve impulses travel along neurons to your brain: you become aware of your phone ringing.
   
4. The brain sends its own nerve impulses along other neurons to your arm muscle.
   
5. Your arm muscle contract and you pick up the phone. Your muscles are called effectors because they make the response possible.

AIM 5.2 The senses

In this section you will answer:

 What are your main sense organs?

What are your five main senses?

Senses are like detectors

sense organs = organs such as your eyes, ears, nose, tongue and skin

* sense organs contain the sensory receptors 

* sense receptors are sensitive to stimuli such as light rays, 

* with the help of sensory receptors, your sense organs give you five abilities called 

senses = vision, hearing, smell, taste and feeling.

Get to work - talk softly

1. finish tasks 5.1 and 5.2
2. read + study 5.3
3. work on tasks 5.3
4. get your checks

DONE? start with 5.4

HW friday 17-5:

mini selftest 5.1 +5.2

Get to work - in silence

1. finish tasks 5.1 and 5.2
2. read + study 5.3
3. work on tasks 5.3
   
   

DONE? start with 5.4

HW friday 17-5:

mini selftest 5.1 +5.2