Th6 Bs3 Cycles
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Lesson duration is: 15 minItems in this lesson
Slide 1 - Slide
Revision
Make a food chain using the 4 organisms in the figure.
Tekst
Slide 2 - Open question
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Slide 10 - Slide
Where stands the symbol C for in CO2 ?
timer
0:30
Slide 11 - Open question
Slide 12 - Slide
What is the name of the proces in which is CO2 used by producers?
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0:30
Slide 13 - Open question
What is the word equation of photosynthesis?
timer
0:30
A
O2 + CO2 -> glucose + H2O
B
glucose + O2 -> H2O + CO2
C
H2O + O2 -> glucose + CO2
D
H2O + CO2 -> glucose + O2
Slide 14 - Quiz
What is the name of the proces described in the following word equation?
glucose + O2 -> H2O + CO2
timer
0:30
Slide 15 - Open question
What is the name of the organisms which break down organic material?
timer
0:30
A
decomposers
(or reducers)
B
producers
C
consumers
D
scavengers
Slide 16 - Quiz
When the decomposers (reducers) break down dead animals and plant (parts), where does the carbon go?
timer
0:45
A
it stays in their bodies
B
it is absorbed in the soil
C
it goes uo in the air
D
no one knows
