4.3 Feeding Ourselves

Mercury in the sea = kwik in de zee
Mercury used to be found in pesticides and paint for boats. Mercury is poisonous and damages the nervous system and reproductive system in mammals.

Look at the food chain and explain why mercury could be a problem for human health.
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Slide 1: Slide
Biologie7th Grade

This lesson contains 33 slides, with interactive quizzes, text slides and 3 videos.

time-iconLesson duration is: 45 min

Items in this lesson

Mercury in the sea = kwik in de zee
Mercury used to be found in pesticides and paint for boats. Mercury is poisonous and damages the nervous system and reproductive system in mammals.

Look at the food chain and explain why mercury could be a problem for human health.

Slide 1 - Slide

Explain why mercury could be
a problem for human health.
timer
1:00

Slide 2 - Open question

Slide 3 - Slide

Slide 4 - Slide

Slide 5 - Slide

Slide 6 - Video

spot the mistake..!

Slide 7 - Slide

The mistake is...
timer
1:00

Slide 8 - Open question

Slide 9 - Slide

spot the mistake..!

Slide 10 - Slide

The mistake is...
timer
1:00

Slide 11 - Open question

Slide 12 - Slide

spot the mistake..!

Slide 13 - Slide

The mistake is...
timer
1:00

Slide 14 - Open question

Slide 15 - Slide

Slide 16 - Slide

Ways in which humans
can destroy habitats

Slide 17 - Mind map

Video assignment
Watch the following video.

  1. While watching:
    In your notebook, write down what the video is about.
  2. After the video:
    Type your summary in LessonUp (max. 3 sentences!!)

Slide 18 - Slide

Slide 19 - Video

Summary of the video:
timer
1:00

Slide 20 - Open question

Slide 21 - Slide

Slide 22 - Slide

Video assignment
Watch the following video.

  1. While watching:
    In your notebook, write why the otters died out.
  2. After the video:
    Type your answer in LessonUp (max. 3 sentences!!)

Slide 23 - Slide

Slide 24 - Video

Why the otters died out:
timer
1:00

Slide 25 - Open question

Slide 26 - Slide

Slide 27 - Slide

Biomass

Slide 28 - Slide

Slide 29 - Slide

Slide 30 - Slide

Slide 31 - Slide

Slide 32 - Slide

Slide 33 - Slide