UNICELLULAR
ORGANISMS EXPERIMENT
AIM
Find
out how yeast carries out the process of nutrition.
HYPOTHESIS
What
do you think yeast needs to carry out nutrition??
METHOD
1-
Label the plastic bottles:
A:
Water, sugar and yeast
B:
Water and yeast
C:
Sugar and yeast
2-
Add the following materials to each bottle:
1-
Bottle A:
-
100 ml warm water
-
1 spoonful of sugar
-
5 g of yeast
2-
Bottle B:
-100ml
warm water
-
5 g of yeast
3-
Bottle C:
-
1 spoonful of sugar
-
5 g of yeast
3-
Put a balloon over the neck of each bottle.
Then
leave the bottles in a warm place for 20 minutes.
RESULTS
1-
After 20 minutes, describe the three balloons.
a)
Which one has inflated
the most?
b)
Which one has inflated
the least?
2-
Yeast produces carbon dioxide as it carries out
nutrition.
a)
Which combination
produced carbon dioxide?
b)
How do you know?
3-
What does yeast need to
carry out nutrition?
AND THOSE ARE YOUR WONDERFUL
VIDEOS
NOÉ (PART 1)
NOÉ (PART 2)
NOÉ ( PART 3)
AITOR
AYDAN
ADRIÁN AND AINHOA
NEREA
HUGO
RODRIGO (PART 1)
RODRIGO (PART 2)
RODRIGO (PART 3)
DANIEL
DAVID PAL.
THANK YOU VERY MUCH TO THE FAMILIES FOR YOUR SUPPORT AND COOPERATION
These are some of your REPORTS
WELL DONE!!
