Unit1:-Scientific
Learning
Very
Short answer questions:-
1.What is Science?
👉 Science is the systematic
and realistic knowledge of the universe which is gained by experiment,
observation and experience.
2.What is scientific
learning?
👉 Scientific
learning is a continuous process involving a number of steps starting from
observation of subjects,facts and events to arriving at a conclusion about
them.
3.What is
observation?
👉 Observation is the
first step of the scientific learning process.It helps us to be curious.
4.What is the
meaning of science in old French?
👉In Old French, the
word “science” means knowledge or learning. It is derived from the Latin word
“scientia,” which also means knowledge.
5.What is meant by
observation at work?
👉Observation at work
refers to the methodical and objective recording and analysis of workplace
activities and behaviors to gain insights, identify patterns, and inform evidence-based
improvements or decision-making.
6.What is practical
work?
👉Practical work
involves hands-on activities and experiments that allow individuals to apply
theoretical knowledge in real-world or laboratory.
7.Write any two
importance of practical work in science?
👉The two importance
of practical work in science are given below:-
a)
It
helps to understand better.
b)
It
increases our confidence.
8.Write any two
precautions while doing practical work in science laboratory?
👉The two precautions
while doing practical work in science laboratory are given below:-
a)
Avoid
skin and eye from direct contact with all chemicals.
b)
Don’t
rush, push or pull anyone inside the lab.
9.Write any two
practical work that can be done outside the science laboratory.
👉 The two practical
work that can be done outside the science laboratory are given below:-
a) Science exhibition
b)
Taking
soil sample
10.What is scientific research?
👉 Scientific
research is the systematic investigation and study conducted by scientists to
expand knowledge, gain understanding, and develop new theories or practical
applications in various fields of study.
11.How many types
of scientific research are there?
👉There are 3 types
of scientific research.
12.Give any two
applications of scientific research.
👉 The two
applications of scientific research are given below:-
a)
Advancement
in communication technology
b)
Advancement
in agriculture tools and technology.
13.Write a
difference between observational research and experimental research.
👉Observational Research:-
i) In observational research, scientists observe and record natural occurrences without manipulating any variables, simply noting what happens under certain conditions.
ii) Research on food chain & food web, parts of flowers.
Experimental Research:-
i) In experimental research, scientists actively manipulate one or more variables to observe the effect on other variables, allowing them to establish cause-and-effect relationships.
ii) Research on germination of seed & importance of nutrients in healthy growth of plants.
14.What is report
writing?
👉 Preparing document
that describes the process, progress and results of the activities performed is
called report writing.
15.Write any two
aims of report writing.
👉 The two aims of
report writing are given below:-
a) To
prepare proper documentation.
b) To
provide right information in public.
Short
Answer Questions
16.How many types
of scientific research are there? Name them.
👉There are 3 types
of scientific research.They are:-
a) Clinical
research
b) Laboratory
research
c) Social
descriptive research
17.Write any two
differences between laboratory research and clinical research.
👉Laboratory research
1.The research that
is done in a science laboratory is called laboratory research.
2.Examples;Research
to find the blood group of people by the students of class 8.
Clinical research
1.The research that
is done to diagnose disease or problem related to health of plants and animals
is called clinical research.
2.Example;Research done
to diagnose cancer of lungs, causes of autism,
18.Why observation
is the first step of learning?
👉Observation is the
first step for learning because it gives us a general overview of the topic to
be studied. It helps us understand the gist, main point and context of the
subject.
19.We should not
take any drinks and foods in the science laboratory? Give reasons.
👉We should not take
any drinks and foods in the science laboratory because there will be some
dangerous chemical which can harm us and make our food and drinks poisonous.
20.Why should we compulsorly
wear aprons, glasses and gloves while working in the science laboratory?
👉should we
compulsorly wear aprons, glasses and gloves while working in the science
laboratory to become safe from different dangerous chemical like HCl and H2SO4.
21.Write any three
practical works that can be done inside the science lab.
👉 The three
practical works that can be done inside the science lab are given below:-
a) To
see structure of plant and animal cell.
b) To
see the bacteria of curd.
c) To
see photosynthesis process in plants.
22.Write down the
major steps of survey.
👉The major steps of
survey are given below are given below:-
a) Data
collection
b) Data
analysis
c) Feedbacks
23.Write any two
differences between research and survey.
👉The differences
between research and survey are given below:-
Research
1.Research is a scientific
and systematic approach of finding information about a chosen topic.
2.Research can
encompass various methods such as experiments, observations, interviews, case
studies, and surveys.
Survey
1.Survey is the
collection of information from a sample of individuals through their responses
to questions.
2.Surveys focus on obtaining
specific information or opinions from a targeted population.
24.What
is meant by experimental research? Write with an example.
👉Experimental
research is a scientific method used to investigate cause-and-effect
relationships between variables. Eg.; To experiment understand science well.
25.What
is the importance of observation in scientific learning? Describe in any two
points.
👉Observation holds
significant importance in scientific learning due to the following reasons:-
a)
Basis
for Hypothesis Formation:
b) Validation of Theories:
26.What is
scientific learning? Write down the major steps of scientific learning process.
👉Scientific learning
is a continuous process involving a number of steps starting from observation
of subjects,facts and events to arriving at a conclusion about them.
The major steps of
scientific learning process are given below:-
a)
make
an observation
b)
Ask
questions
c)
Do
background research
d)
Form
a hypothesis that answers the question
e)
Conduct
an experiment to test prediction
f)
Analyze
the test
28.What is
scientific report?Explain the major component of a scientific report in brief.
👉A scientific report
is a comprehensive document that outlines the methodology, results, and
analysis of a scientific study. Its major components include:-
a)
Title:
b)
Abstract
c)
Introduction
d)
Methods
e)
Results
f)
Discussion
g) Conclusion
29.Write down
importance of practical work in science laboratory. Write any three practical
works that can be done outside the science laboratory.
👉 Importance of
practical work in science laboratory are given below:-
a) It helps to
understand easily.
b) It provides good knowledge about experiments.
c) It increases our
curiosity.
The three practical
works that can be done outside the science laboratory are given below:-
a)
Science
exhibition
b)
Collect
Soil sample
c) To test agriculture tools.
30.What are
scientific experiments?
👉A scientific experiment is a process in which measurements are used and tests are carried
out to verify or refute a hypothesis.
31. Write about the
importance of scientific experiment.
👉 The importance of
scientific experiment are given below:-
• It provides evidence
to test the knowledge related to physical world.
• It helps to
develop scientific vocabularies and terminologies in students,
• It becomes easier for teachers to teach the children about concepts like gravity.
32. Why should we
adopt safety measures while doing science experiments?
👉We adopt safety
measures while doing science experiments to protect ourselves from potential
hazards and accidents that can occur during science experiments.
33. What are safety
measures?
👉Safety measures are
precautions or actions taken to prevent accidents, injuries, or harm to
individuals and promote a safe environment.
34. What is
scientific research?
👉The systematic
collection, interpretation and evaluation of data related to science is called scientific
research.
35. What is
descriptive research?
👉The research that
classifies, describes,compares and measures data related to a topic is called
descriptive research.
36. Write any two
parts of scientific research.
👉Any two parts of
scientific research are:
1)
Data
Collection
2)
Analysis
and Interpretation