4.4 Joints that make you move! 1HVTTO

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

4.4 Joints that make you move

• Jacket in your locker
• Put your things on your desk

       Laptop/Book

       Notebook, pencil case

• Bag on the floor
  
• Read pages 

Lessongoals

• 
  

Homework 4.4

Wheel of homework

Go to Lessonup.app and use this code

Reward

Penalty

Rewards

• +1 cm2 cheatsheet = you get to make a cheatsheet for a test. This starts being 1 by 1 cm. Everytime you earn this it gets 1 cm bigger to a max of 4 by 4 cm.
• 1/3 +0.5 = If you earn this 3 times you get to add 0,5 to one of your biology marks.
• Snitch = You can pick a classmate who also is checked for homework, you earn two V's (having 3 earns you a 1/3 +0,5)
• Too bad = You only get one V
  

penalties

• 45 min extra worktime = you need to come after school and do homework, this will last for 45 min or until the task is done
• Coloringpage = You get to pick a coloringpage, You need to color it and perform tasks that might be on it. You need to hand it in during the next lesson, If you don't you get 2 marks.
• 2/1 marks = a mark is an X, if you get 3 of these you will automaticly earn the 45 min extra worktime.
• Snitch = You can pick a classmate who also is checked for homework
• Lucky! = You don't get a penalty

Scan the chapter

Use your book and laptop/notebook

• Go to chapter 4.4 on pages 100-101
• Quickly scan the text for difficult/unknown words
• Make a list of all the words you don't know/understand, add these to your PIF
• Add descriptions and/or synonyms of these words during the lesson

What is the type of skeleton of this organism called? (1 word)

What substance in a bone gives it rigidity?

1. Collagen
2. Callogen
3. Calcium phasphote
4. Calcium phosphate

Sophie has fallen off the swing in her garden. She landed on one of her arms and has now broken her radius. The doctor at the hospital suspects possible damage to the growth plate in her radius (see X-ray).

What kind of problem could the doctor be thinking of if her growth plate is damaged?

Bone tissue is strong and rigid. .... tissue is bendable. What word should be on the dots? (1 word)

Which part of a bone contains: compact bone tissue?

1. Heads
2. Marrow
3. Shaft

Animals with exoskeletons can't grow like other animals.
What is the process called they need to perform before they can grow?
They need to .... (1 word)

Immovable/fibrous joints

• Fused/fixed 

Bones that have grown into 1 bone

• Sutures

Bones that are very close to each other

Fusing of bones happens during your lifetime!

Bones in the sacrum fuse together when you are between 16-18 years old.

Bones in the coccyx will fuse togheter between 20-30 years old

fontanelles

When you are a baby, there is more space between the skullbones, they are not connected yet, in between are soft spots called fontanelles. 

When baby's grow older the bones of the skull will grow towards each other, creating the sutures

(slightly) movable joints

• Cartilage
  

Layer of cartilage in between bones

Small amount of movement

• Synovial joint

Bones are connected by ligaments.

A lot of movement is possible

A synovial/movable joint

Bone

Bone

ligament

joint capsule

synovial fluid

cartilage

Keep the bones of the joint together

lets the bones move smoothly (lubricates)

stops wear and tear

Types of synovial joints

• Ball-and-socket joint (moves in various directions)

One of the bones forms a socket, in which the ball moves

• Hinge joint (Moves in 1 direction only)
• Pivot joint (Moves around axis of the other bone

Your elbow is a ..

1. Ball-and-socket joint
2. Hinge joint
3. Pivot joint

The arrow points to a ...

1. Ball-and-socket joint
2. Hinge joint
3. Pivot joint

Your knee is a ..

1. Ball-and-socket joint
2. Hinge joint
3. Pivot joint

The arrow points to a ...

1. Ball-and-socket joint
2. Hinge joint
3. Pivot joint

1st choice: + OR Cheat sheet +1 cm2 OR Wheel

2nd and 3rd choice: Cheat sheet +1 cm2 OR Wheel

4th en 5th: Wheel 

TTO

These words I'll add to my PIF

What you should do: 4.4

• Pages 100-102 TB
• Asgmt 28-38 WB pgs 98-102

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: 4.4

• Pages 100-102 TB
• Asgmt 28-38 WB pgs 98-102

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

3 people each lesson

• Desks: empty and straight
• Chairs:  underneath the desks OR end of day: on the desks
• Floor: no rubbish