U5 B1 1HVTTO

• Biologie
• Middelbare school
• havo, vwo
• Leerjaar 1

B1 Perceiving your environment

• Take off your jacket
  
• Put your things on your desk
  

       Laptop/Book

       Notebook, pencil case

• Bag on the floor
  
• Read pages 88-89

Lesson goals

• You can describe how the senses work.
• You are able to list the senses along with their locations and stimuli

Homework U5 B1

Asgmt 1-8, 4c

OR challenge

Asgmt 5-10

What sensory organs do you know?

What senses do you know?

Senses

• Sight
• Sense of hearing
• Sense of balance
• Sense of smell
• Sense of taste
• Sense of heat/cold
• Sense of touch/pressure 

Sensory organs

• Eyes
• Ears
• Tongue
• Nose
• Skin

Stimulus:

• light
• sound
• taste
• scents/odours
• heat, cold, pressure, contact, pain

= organs that react to stimuli

= influences form the environment/ 'things' sensory organs react to

Stimuli and impulses

• Sensory organ take in stimuli
• 1=stimulus 1<stimuli = Influence from the environment
• Sensory organs send impulses to the brain
• Impulse = electric signal in nerves

What are the stimuli in this situation?

Impulses

Impulses = signals in nerves

Sensory organ --impulse--> Brain

Once the impulses reach your brain, you become aware

Brain --impulse--> Muscles

You can move and react to the stimuli

1. What stimuli will your body experience in the situation described underneath?
2. How will the brains react to these stimuli?

You are using the stove, the pan has been on the stove for about 10 minutes. You touch the hot metal handle of the pan.

What you should do: U5 B1

• Read pages  88-93
• Asgmt  1-8, 4c

OR challenge

• Asgmt 5-10

Done with the above?

• Work on the next chapter(s)
• Learn for the test 
• Make other homework
• Read a book

Zs = Working in Silence

• No asking questions
• Silent, don't disturb anyone
  
• Stay at your  desk

What you should do: U5 B1

• Read pages 88-93
• Asgmt 1-8, 4c

OR challenge

• Asgmt 5-10 

Done with the above?

• Work on the next chapter(s)
• Learn for the test 
• Make other homework
• Read a book

Zw = Working with whispering

• Teacher is available for questions
• Only whisper with the student next to you
• Stay at your  desk

Tidy Duty

Today these people are on tidy duty

• Desks: empty and straight
• Chairs:  underneath the desks
• Floor: no rubbish