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U6 B4 1HVTTO
B4 Fruits & seeds
Put your things on your desk
Book
Notebook
Bag on the
floor
Read pages 177-178
Lessongoals
You can describe the events in the ovary after fertilization
You can recognize parts of fruit, and explain which parts of the flower they were
Homework U6 B4
Asgmt 1-7, 3c
OR challenge
Asgmt 4-9
1 / 24
volgende
Slide 1:
Tekstslide
Biologie
Middelbare school
havo, vwo
Leerjaar 1
In deze les zitten
24 slides
, met
interactieve quizzen
,
tekstslides
en
1 video
.
Lesduur is:
45 min
Start les
Bewaar
Deel
Printen
Onderdelen in deze les
B4 Fruits & seeds
Put your things on your desk
Book
Notebook
Bag on the
floor
Read pages 177-178
Lessongoals
You can describe the events in the ovary after fertilization
You can recognize parts of fruit, and explain which parts of the flower they were
Homework U6 B4
Asgmt 1-7, 3c
OR challenge
Asgmt 4-9
Slide 1 - Tekstslide
Wheel of homework
Go to Lessonup.app and use this code
Reward
Penalty
Slide 2 - Tekstslide
What is the name of the event when the male and female sex cells become one?
A
Growth
B
Pollination
C
Fertilization
D
Fused
Slide 3 - Quizvraag
What does a fertilized egg cell turn in to?
A
A plant embryo
B
An ovule
C
A pollen tube
D
A seed
Slide 4 - Quizvraag
What happens when egg cells in an ovule aren't fertilized?
A
The egg cell becomes a plant embryo
B
The egg cell doesn't become a seed
C
The ovule becomes a seed
D
The ovule doesn't become a seed
Slide 5 - Quizvraag
What is found in the nucleus of a fertilized egg cell?
A
male chromosomes
B
female chromosomes
C
No chromosomes.
D
Both male and female chromosomes
Slide 6 - Quizvraag
Put the events in the right order
1
2
3
4
5
6
7
8
ovary becomes fruit
egg cell becomes plant embryo
ovule becomes seed
pollination
pollen is taken to a flower
fertilization
pollen makes pollen tube
pollen is made
Slide 7 - Sleepvraag
After fertilization
Fertilized egg cell become a plant embryo
Ovules containing fertilized egg cells become seeds
Other ovules shrivel away
Ovary becomes a fruit
The plant embryo is a tiny
baby plant
inside a seed
This ovule hasn't been fertilized (yet)
this ovule will soon be fertilized
pollen grain
stigma
pollen tube
style
egg cell/ova
nucleus
nucleus of pollen grain
Slide 8 - Tekstslide
1
Slide 9 - Video
02:00-02:10
1 seed = 1 fruit
Slide 10 - Tekstslide
The image shows a cross section of a grape.
How many fertilizations have happened in the flower of this grape? (number)
Slide 11 - Open vraag
The image shows a cross section of a grape.
How many pollinations have at least happened in the flower of this grape? (number)
Slide 12 - Open vraag
Make a schematic drawing
Of the inside of your fruit.
And: How many fertilizations took place in its flower?
Done? Get started on the homework!
Asgmt 1-7, 3c
OR challenge
Asgmt 4-9
Slide 13 - Tekstslide
Fruit with pulp
Fruit with pod
Pulp
develops from the
ovary
or other parts of the flower
.
It is the nutritious part of the fruit
The ovary turns in to a long container like fruit,
pod
. This contains the seeds
Slide 14 - Tekstslide
Slide 15 - Tekstslide
Slide 16 - Tekstslide
Slide 17 - Tekstslide
What part contains nutrients for the plant embryo?
A
The pollen grain
B
The flower stalk
C
The pulp
D
The seed
Slide 18 - Quizvraag
Seeds can not use pulp as nutrients.
What is the use of pulp in fruits?
Slide 19 - Open vraag
For which of these fruits/vegetables are you (only) eating the seeds?
A
Strawberry
B
Bean
C
Banana
D
Pineapple
Slide 20 - Quizvraag
1st choice: + OR Cheat sheet +1 cm2 OR Wheel
2nd and 3rd choice: Cheat sheet +1 cm2 OR Wheel
4th en 5th: Wheel
TTO
Slide 21 - Tekstslide
What you should do: U6 B4
Pages 183-189
Asgmt 1-7, 3c
OR challenge
Asgmt 4-9
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 22 - Tekstslide
What you should do: U6 B4
Pages 183-189
Asgmt 1-7, 3c
OR challenge
Asgmt 4-9
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 23 - Tekstslide
Tidy Duty
Today these people are on tidy duty
Desks: empty and straight
Chairs: underneath the desks
Floor: no rubbish
Slide 24 - Tekstslide
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