2.7. Melting together

LESSON 15
  • Repeat 2.6. 
  • 2.7. Melting together
  • Do your homework
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Slide 1: Slide
BiologieMiddelbare schoolvmbo t, mavo, havoLeerjaar 1

This lesson contains 19 slides, with interactive quizzes and text slides.

time-iconLesson duration is: 45 min

Items in this lesson

LESSON 15
  • Repeat 2.6. 
  • 2.7. Melting together
  • Do your homework

Slide 1 - Slide

What is pollination?
timer
1:30

Slide 2 - Open question

Slide 3 - Slide

Is this a perfect flower or a imperfect flower?
A
perfect flower
B
imperfect flower

Slide 4 - Quiz

If the stigmas are small, it is a ....
A
insect-pollinated flower
B
wind-pollinated flower

Slide 5 - Quiz

Slide 6 - Slide

Represents situation 1 no pollination, self-pollination or cross-pollination?
A
no pollination
B
self-pollination
C
cross-pollination

Slide 7 - Quiz

Slide 8 - Slide

Slide 9 - Slide

Represents situation 2 no pollination, self-pollination or cross-pollination?
A
no pollination
B
self-pollination
C
cross-pollination

Slide 10 - Quiz

2.7. Melting together
  • Sex cells are cells, so they also contain a nucleus. 

Slide 11 - Slide

2.7. Melting together
  • Sex cells are cells, so they also contain a nucleus. 
  • When the nucleus of the male sex cell from a pollen grain fuses together with the nucleus of an egg cell inside the ovary, this is called fertilisation (bevruchting). 

Slide 12 - Slide

Slide 13 - Slide

2.7. Melting together
  • The ovule becomes the seed with the embryo inside it. 

Slide 14 - Slide

2.7. Melting together
  • The ovule becomes the seed with the embryo inside it. 
  • The plant embryo kan germinate when it finds a suitable piece of soil. 

Slide 15 - Slide

2.7. Melting together
  • The ovule becomes the seed with the embryo inside it. 
  • The plant embryo kan germinate when it finds a suitable piece of soil. 
  • The sepals and petals of a fertilised flower will dry and shrivel.

Slide 16 - Slide

2.7. Melting together
  • The ovule becomes the seed with the embryo inside it. 
  • The plant embryo kan germinate when it finds a suitable piece of soil. 
  • The sepals and petals of a fertilised flower will dry and shrivel.
  • The ovary starts to swell and ripen. A ripened ovary is called a fruit

Slide 17 - Slide

Slide 18 - Slide

HOMEWORK
Tuesday 25 January
Complete the Google Form '2.7. Melting together' on Google Classroom

Slide 19 - Slide