4.4 Bioaccumulation

Lesson 2.5 
Bioaccumulation
15 / 09 / 2022
1 / 29
volgende
Slide 1: Tekstslide
BioSecondary EducationAge 13

In deze les zitten 29 slides, met interactieve quizzen, tekstslides en 3 videos.

Onderdelen in deze les

Lesson 2.5 
Bioaccumulation
15 / 09 / 2022

Slide 1 - Tekstslide

Choose an emoji to tell us how you feel today.
😒🙁😐🙂😃

Slide 2 - Poll

  • I can define (give the meaning of) ‘bioaccumulation’.
  • I can state 2 ways how 'bioaccumulation' impacts or affects the organisms in an ecosystem.
GOALS

Slide 3 - Tekstslide

Lesson 2.5 
Bioaccumulation
15 / 09 / 2022

Slide 4 - Tekstslide

Slide 5 - Tekstslide

Key words
  • " Bio " means life or living organisms.

Slide 6 - Tekstslide

Key words
  • " Accumulate " means gather together or get an increasing number or quantity of.

Slide 7 - Tekstslide

Key words
  • " Bioaccumulation " means getting an increasing number of harmful chemicals in the bodies of living organisms.

Slide 8 - Tekstslide

Key words
  • " Biodegradable " means can be decomposed or broken down into tiny pieces by bacteria or other living organisms so that we prevent pollution

Slide 9 - Tekstslide

Key words
  • " Insecticide " means any toxic substance that is used to kill insects.

Slide 10 - Tekstslide

Slide 11 - Video

Key words
  • " Decomposers " means organisms that break down dead or decaying organisms.

Slide 12 - Tekstslide

1

Slide 13 - Video

00:16
What does a decomposer do to dead, decaying organisms?
A
makes it alive
B
breaks it down

Slide 14 - Quizvraag

Lesson 2.5 
Bioaccumulation
14 / 09 / 2022

Slide 15 - Tekstslide

DDT
  • (dichloro-diphenyl-trichloroethane) was the first of the modern synthetic insecticides in the 1940s. It was initially used to prevent malaria, typhus, and the other insect-borne human diseases

Slide 16 - Tekstslide

DDT
  • a persistent chemical (it stays in the environment for many years). 
  • This chemical CANNOT BE broken down by decomposers.

Slide 17 - Tekstslide

Slide 18 - Video

Lesson 2.5 
Bioaccumulation
15 / 09 / 2022

Slide 19 - Tekstslide

Is the number of DDT in our body MORE than in one of the three fishes we eat? Why?
Question Goal

Slide 20 - Tekstslide

If we eat 3 fishes with 1 DDT each, then we will have ________ DDT than ONE fish because _________.
Hypothesis

Slide 21 - Tekstslide

If we eat 3 fishes with 1 DDT each, then we will have ________ DDT than ONE fish because _________.
timer
4:00

Slide 22 - Open vraag

Lesson 2.5 
Bioaccumulation
15 / 09 / 2022

Slide 23 - Tekstslide

= DDT

Slide 24 - Tekstslide

= DDT
?

Slide 25 - Tekstslide

How many ppm (parts per million) of DDT is in the shark after eating two tuna fish?
A
16
B
15
C
14
D
12

Slide 26 - Quizvraag

REFLECTION
15 / 09 / 2022

Slide 27 - Tekstslide

I THINK I NEED MORE PRACTICE ON:
1 - I can define (give the meaning of) ‘bioaccumulation’.
2 - I can state 2 ways how 'bioaccumulation' impacts or affects the organisms in an ecosystem.
1
2
1 and 2
I am now confident.

Slide 28 - Poll

HOW WELL DID YOU PARTICIPATE TODAY?
1 - I need to participate more! ⚠️
2 - I have participated and I will do more next time! ☺️
3 - I did an excellent job today! 🏆
13

Slide 29 - Poll