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U4 B2 1HVTTO
B2 The structure of bones
Take off your jacket
Put your things on your desk
Book, notebook, pencil case
Bag on the floor
Read pages 16-17
timer
4:00
Lessongoals
You can describe the structure of bone tissue and cartilage tissue.
You can describe how the composition of the bones changes during a person's life
Homework U4 B2
Asgmt 1-7, 4c
OR challenge
Asgmt 5-9
1 / 20
volgende
Slide 1:
Tekstslide
Biologie
Middelbare school
havo, vwo
Leerjaar 1
In deze les zitten
20 slides
, met
interactieve quizzen
en
tekstslides
.
Lesduur is:
45 min
Start les
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Onderdelen in deze les
B2 The structure of bones
Take off your jacket
Put your things on your desk
Book, notebook, pencil case
Bag on the floor
Read pages 16-17
timer
4:00
Lessongoals
You can describe the structure of bone tissue and cartilage tissue.
You can describe how the composition of the bones changes during a person's life
Homework U4 B2
Asgmt 1-7, 4c
OR challenge
Asgmt 5-9
Slide 1 - Tekstslide
Wheel of homework
Go to Lessonup.app and use this code
Reward
Penalty
Slide 2 - Tekstslide
1 word
Slide 3 - Open vraag
1 word
Slide 4 - Open vraag
1 word
Slide 5 - Open vraag
Which of these bones is not connected to a vertebra?
A
Pelvis
B
Kneecap
C
Skull
D
Rib
Slide 6 - Quizvraag
What function of a skeleton is shown in the story underneath?
Jack is in love with a girl from his class. He is most attracted to her face.
Slide 7 - Open vraag
What isn't a function of the skeleton?
A
Giving shape to the body
B
Making movement possible
C
Keeping organs in their spots
D
Protecting organs
Slide 8 - Quizvraag
Calcium phosphate
Makes bone
strong/rigid
Doesn't bend
Collagen
Makes bone slightly
bendable
Not
strong/rigid
Ingredients of bone
Slide 9 - Tekstslide
Imagine, you could remove all the collagen from a bone.
How would that bone change?
Slide 10 - Open vraag
Think
-
Pair
-Share
Think
: Work on the assignment on
your own
.
What is shown in the graph? What does it mean?
What does this graph mean for a human?
Pair
: Discuss and compare with
your neighbour
, improve your answer
Share
:
Talk about given answers during
plenary session
.
timer
2:00
timer
3:00
Slide 11 - Tekstslide
Cartilage
Bone
cartilage cell
extracellular material
extracellular material
bone cell
process
canal
Mostly collagen in the extracellular material.
Makes cartilage very bendy and flexible
A lot of calcium phospate, but also some collagen in the extracellular material.
Makes bones rigid, but also keeps it from breaking
Bones need blood to stay alive/strong canals are filled with bloodvessels.
Assignment table
Make a table containing the differences between the 2 tissues
Slide 12 - Tekstslide
Fontanelles are openings in between the bones of the skull
Shrinking of the fontanelles
Fontanelles close up over time, this strengthens and closes the skull. The proces takes about 1,5 years.
Slide 13 - Tekstslide
What is the main difference between cartilage and bone tissue?
A
Bone tissue is harder than cartilage.
B
Cartilage is denser than bone tissue.
C
Cartilage provides blood supply to the body.
D
Cartilage is made up of living cells. Bone isn't
Slide 14 - Quizvraag
What mineral provides bones with their strength and hardness?
A
Calcium phosphate
B
Potassium
C
Sodium
D
Collagen
Slide 15 - Quizvraag
Which type of tissue is better at withstanding pressure?
A
Neither bone tissue nor cartilage can withstand pressure.
B
Both types of tissue are equally good at withstanding pressure.
C
Cartilage is better at withstanding pressure than bone tissue.
D
Bone tissue is better at withstanding pressure than cartilage.
Slide 16 - Quizvraag
What are fontanelles?
A
Glands in the digestive system
B
bones of the skull of a baby, before they fuse together
C
Type of fountain
D
Soft spots between the bones of a baby's skull
Slide 17 - Quizvraag
What you should do: U4 B2
Pages 16-20
Asgmt 1-7, 4c
OR challenge
Asgmt 5-9
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
timer
6:00
Slide 18 - Tekstslide
What you should do: U4 B2
Pages 16-20
Asgmt 1-7, 4c
OR challenge
Asgmt 5-9
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
Slide 19 - Tekstslide
Tidy Duty
Today these people are on tidy duty
Desks: empty and straight
Chairs: underneath the desks
Floor: no rubbish
Slide 20 - Tekstslide
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