18
Science
16.
What is the name of the method used to research
something that occurs in nature?
17.
What is the difference between science and
pseudoscience?
The scientific method
18.
Put the following steps of the scientific method in
order:
a)
Experiment
b)
Conclusion: compare with hypothesis
c)
Make a question
d)
Observe
e)
Analysis of the results
f)
Make a hypothesis
19.
Design an experiment to prove the following
hypothesis: ‘Fungus, like mould on bread or fruit,
grows better when the temperature and humidity
are high’.
Scientific work
20.
What two instruments are fundamental when
planning a scientific project or experiment? Justify
your answer.
21.
True or false? Explain your answers.
a)
When working in a laboratory, you should get the
material you need as you do the experiment.
b)
After an experiment, the work station should be the
same as before starting.
c)
Put your school bag on the laboratory table so that you
don’t trip on it as you walk around.
d)
Return any leftover material to the container you got it
from in order not to waste it.
e)
If you aren’t sure of the chemical composition, smell it
to check what it is.
22.
In the laboratory look for a chemical product that
has the following symbols on its label. Then answer
the questions:
a)
What product is it? What is it used for?
b)
Why is that symbol used?
23.
What advantages and disadvantages does fieldwork
have?
24.
For what sort of fieldwork would you need a
compass? And a camera?
The research project
25.
Make a data table with the following information.
Use a graph to explain why you have chosen that
kind of graph
A teacher observed that the number of students passing his
subject during the year depended on the units. In the first
unit, 10 students passed, in the second 12, in the third 11,
in the fourth 18, in the fifth 15 and in the 6th 20.
26.
Briefly explain the rules and basic advice for
making a scientific poster.
27.
Make a poster of the local flora. Collect samples
and information for between 4 and 6 varieties.
28.
Make a slideshow presentation with at least 6 to 8
slides about dogs and their breeds.
29.
Make a data table, a pie chart or a bar graph to
illustrate the following:
Of the total freshwater on our planet, 79% is in glaciers,
20% in groundwater and 1% In rivers, lakes and surface
water.
CONSOLIDATION
Irritant
Flammable
Explosive
Toxic
Corrosive
Environmentaly
unsafe
