2.5 A coming and going of species

1 / 16
volgende
Slide 1: Tekstslide
AardrijkskundeMiddelbare schoolvwoLeerjaar 3

In deze les zitten 16 slides, met interactieve quizzen, tekstslides en 2 videos.

Onderdelen in deze les

Slide 1 - Tekstslide

PROGRAM
Review 2.4
Explanation 2.5
Check homework
Work individually / homework
LEARNING GOALS
• You can explain the effects of the meteorite in Yucatan
• You can explain why dinosaurs became extinct
• You can explain how humans developed
• You can explain the influence of volcanoes on climate change


Slide 2 - Tekstslide

To research the oldest rocks in a rock layer, you take a look at the:
A
Rocks at the top
B
Rocks at the bottom

Slide 3 - Quizvraag

Species get extinct averagely every ..... years
A
1 million
B
16 million
C
23 million
D
35 million

Slide 4 - Quizvraag

Slide 5 - Tekstslide

65 million years ago in Yucatan....

Slide 6 - Tekstslide

EFFECTS:
- Crater of 12 km
- Deadly bombardment because of pieces of rock and metorite
-Earth covered with dust layer --> no sunlight, plants couldn't grow --> no food for animals
- Acid rain
- A lot of energy was released--> temperature rose to 1000 degrees. Trees and animals were burnt in environment of metorite.
- Above rock layers of 65 million years and older there is a layer of clay with iridium --> iridium is not found on earth. + fossils of dinosaurs below this

Slide 7 - Tekstslide

Why did dinosaurs also die at what we now call Russia
A
Everywhere on earth it became 1000 degrees
B
They died because the darkened sky due to the layer of dust
C
Bombardment of rocks and parts of the meteorite
D
Plants died because the darkened sky due to the layer of dust

Slide 8 - Quizvraag

Slide 9 - Video

Slide 10 - Video

2, 4 mln: Human kind & 200 000 years Homo Sapiens
After the extinction of dinosaurs, other mammals could develop, like: 

Slide 11 - Tekstslide

2,4 million years ago the first Homo Sapiens were on earth
A
True
B
False

Slide 12 - Quizvraag

SIBERIAN TRAPS - 250 million years old
Exists because of volcanic eruptions  --> more CO2 in the air --> climate gets warmer --> plants/animals get extinct of change

Slide 13 - Tekstslide

Period with a lot of vulcanic eruptions will cause:
A
Decrease of temperature
B
Rise of temperature

Slide 14 - Quizvraag

Check homework 2.4
1, 2, 4, 5 & 7

Slide 15 - Tekstslide

WORK INDIVIDUALLY / HOMEWORK
2.5
Exercise: 2, 3, 4, 6 & 7

Slide 16 - Tekstslide