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3.4 Smelling and tasting
Are you ready?
- Put your phone in the phonebag
- Coats are on the coat rack or in your locker
- Bags are off the table
- Take off your hat or hoodie
- Books and laptops are on the table
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Biologie
Middelbare school
havo, vwo
Leerjaar 1
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Are you ready?
- Put your phone in the phonebag
- Coats are on the coat rack or in your locker
- Bags are off the table
- Take off your hat or hoodie
- Books and laptops are on the table
Slide 1 - Diapositive
3.4 Smelling and tasting
Chapter 3: Observing
Slide 2 - Diapositive
Today
Welcome
Throwback 3.3
Learning goals
Testing prior knowledge
Instruction
Work independently
End
Slide 3 - Diapositive
Tekst
auditory/ear canal
auricle
eardrum
ossicles
cochlea
Slide 4 - Question de remorquage
Learning objectives
You will learn how your sense of smell in your nose and the sense of taste in your tongue work together when judging your food.
Slide 5 - Diapositive
Would you dare to taste these snails?
Yes! No problem!
No! Definitely not!
Slide 6 - Sondage
Imagine you are eating these chips..
How do you perceive the chips with your sense of..
- light
- touch
- hearing
- taste
- smell
Slide 7 - Diapositive
Sense of smell
It is part of your nasal mucous membrane in the nasal cavity.
Aromatic substances
= gasses that stimulate the sense of smell
Did you notice the mistake in this picture?
Slide 8 - Diapositive
Why do we smell?
- Smell dangerous gasses
- Recognize spoiled food
- To taste better!
Slide 9 - Diapositive
What do you think happens to the air when you sniff it?
A
Less air is present in your nasal cavity
B
The air flows more to the top of your nasal cavity
C
The air flows faster through your nasal cavity
Slide 10 - Quiz
Why do you smell better this way, than when you breathe in normally through the nose?
Slide 11 - Diapositive
Sense of taste
Taste buds =
bumps on the tongue between which the sensory cells are located
Flavours =
stimulate the senses of taste
Slide 12 - Diapositive
Flavours
Sweet
Salty
Sour
Bitter
Umami
Umami =
a savory taste that you know from meat, broth, soy sauce and tomatoes.
Taste =
your brain combines information from your sense of smell and sense of taste.
Slide 13 - Diapositive
When you have a cold and your nose is blocked, you taste less. How does that happen?
A
Your nasal cavity is not moist enough.
B
The fragrances do not reach the sense of smell.
C
Your tongue is too dry.
Slide 14 - Quiz
What?
Make: 3.4:. 5, 7, 8 (in your notebook), 9b, 10, 11
How?
In your workbook (or computer). Use the information from your textbook.
Help?
You may gently consult with your neighbor or listen to music. Raise your hand if the two of you can't figure it out.
Time?
20 minutes
Finished?
Finish up paragraphs 3.1, 3.2 and 3.3!! -->
We check up on eachother 5 min before the end op class
Product
Pif or summary
Slide 15 - Diapositive
Let's discuss the lesson!
Don't pack your bags yet!
What did you learn today?
When de bell rings:
- Pull up your chairs
- Don't forget your phone
Slide 16 - Diapositive
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