Class Book 3 - page 31

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Experiment time!
1.
First put a layer of mulberry leaves in the
bottom of the shoe box.
3.
a.
How long do you think it will be from
when silkworms come out of the eggs
to when they begin to make cocoons?
b.
How long do you think it will take the
first silkworms to finish their cocoons?
c.
How long do you think they will stay
in the cocoons before they come out
as moths?
2.
Put the silkworm eggs on top of the
leaves. Add fresh leaves every day.
4.
Record your observations and conclusions
of the silkworm life cycle on the chart.
The first stage of the life cycle of a
silkworm is around …….. days.
From when they come out of their eggs
to when they are moths is ………… days.
The life cycle of a silkworm
Materials
observation chart
shoe box
silkworm eggs
mulberry leaves
How long is
each stage of
the life cycle?
1...,21,22,23,24,25,26,27,28,29,30 32,33,34,35,36,37,38,39,40,41,...51
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