PEKA SAINS 2010
PEKA
SAINS
2010
Nama :
Tahun :
Cikgu Sains :
COMPETITION AMONG
PLANTS
EXPERIMENT
To observe competition among plants.
What do I need?
Green peas,two flower pot,garden soil and water.
What do I do?
1.Fill flower pots X and Y with the same amount of
garden soil.
2.Plant two green peas in flower pot X and six green
peas in flower pot Y.
3.Put flower pot X and Y in an open place.
4.Water each flower pot with the same amount of
water every day.
5.Observe how the green beans grow in flower pot X
and Y in ten days.
What do I find?
What do I conclude?
Competition among plants becomes more intense if more plants grow in an area and cause the growth of the plants to be retarded.
PROTECTING ENDANGERED SPECIES
EXTINCTION OF ANIMALS
1.Extinct means not in existence in the Earth
anymore.
2.A species of animals become extinct when all of
the species dies.
Section B
| Number of seeds | 2 | 5 | 8 | 11 |
| The height of plants (cm) | 5 | 7 | 10 | 14 |
After a week,the result of the experiment are as shown.
a)What is the change?
.
b)What is the measured/observe?
.
c)What is the keep same?
.
d)Base on the data in the table,state the aim.
.
.
e)What is the trend/pattern of the height of the
plants?
.
f)State two information :
i ) .
ii) .
g)State the relationship between two information in
(f).
.
.
h)Predict the height of plants when the last day of
second week.
.
i)Base on the finding of the investigation,make a
relevant conclusion.
.