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Explore
What do yeast cells need
to grow? |
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| Add the materials
to the cups. |
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Label the contents
of each cup. |
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cup
1
yeast, water, sugar |
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spoonful
yeast
4 spoonfuls warm
water
1 spoonful sugar |
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cup
2
yeast, sugar |
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spoonful yeast
1 spoonful sugar |
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cup
3
yeast, water |
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spoonful yeast
4 spoonfuls warm
water |
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Set
the cups in a warm place.
Observe
every 15 minutes for 1 hour. |
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Explain
Your Results |
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Observe What happened to the
contents of each cup? |
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Infer What materials are needed
for yeast cells to grow? |
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You used your
observations of
yeast in cups with
different materials
to infer what
yeast
cells need to grow. |
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