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
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! 🏆