Introduction to Integrated Science

24 Grade 7 Integrated Science questions on Introduction to Integrated Science, with worked marking schemes. 24 questions are available on this topic in full.

1. Question 1

   1 mark

   The study of living organisms is a branch of science called

   A. Geology

   B. Chemistry

   C. Biology

   D. Physics

   (1 mark)

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2. Question 2

   1 mark

   Integrated Science combines knowledge from which of the following fields?

   A. Music, Art and Drama

   B. English, Kiswahili and French

   C. History, Geography and Civics

   D. Physics, Chemistry and Biology

   (1 mark)

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3. Question 3

   4 marks

   (a) State two branches of science that are combined to form Integrated Science. (2 marks)

   (b) Give two careers that a learner who studies Integrated Science can pursue. (2 marks)

   (4 marks)

   Marking scheme

   (a) Any two of: Biology (study of living things); Chemistry (study of matter and its changes); Physics (study of energy, forces and motion). (1 mark each) (b) Any two of: doctor/nurse, pharmacist, agricultural officer, laboratory technician, engineer, environmental scientist, science teacher. (1 mark each)

4. Question 4

   4 marks

   (a) State two career opportunities related to the study of Integrated Science. (2 marks)

   (b) Give two reasons why it is important to study Integrated Science in junior school. (2 marks)

   (4 marks)

   Marking scheme

   (a) Any two of: medical doctor/nurse; pharmacist; laboratory technologist; agricultural officer/farmer; engineer; environmental scientist; teacher of science. (2 marks) (b) Any two of: It helps us understand and explain natural phenomena/our environment; it prepares us for careers in science, technology and health; it helps us solve everyday problems (e.g. health, hygiene, energy use); it builds skills such as observing, experimenting and making conclusions. (2 marks)

5. Question 5

   4 marks

   Explain two ways in which the knowledge of science is useful in daily life.

   (4 marks)

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6. Question 6

   1 mark

   During a practical lesson, a teacher insists that learners always read the volume of water in a measuring cylinder at the bottom of the curved surface. This curved surface of the liquid is called the:

   A. Calibration

   B. Graduation

   C. Meniscus

   D. Boiling point

   (1 mark)

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7. Question 7

   1 mark

   A learner in the laboratory notices a bottle labelled with a symbol showing a skull and crossbones. What does this warning symbol indicate about the substance?

   A. It is a mild soap

   B. It is flammable

   C. It is poisonous (toxic)

   D. It is safe to taste

   (1 mark)

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8. Question 8

   1 mark

   Which of the following is the correct first step of the scientific method that a scientist follows when investigating a problem?

   A. Publishing the results

   B. Making an observation and asking a question

   C. Buying laboratory apparatus

   D. Writing the final conclusion

   (1 mark)

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9. Question 9

   1 mark

   A student wants to measure the temperature of warm water accurately. Which unit and instrument pairing is correct?

   A. Grams, measured using a beam balance

   B. Degrees Celsius, measured using a thermometer

   C. Seconds, measured using a stopwatch

   D. Metres, measured using a ruler

   (1 mark)

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10. Question 10

    1 mark

    A farmer uses scientific knowledge to improve crop production. This shows that science is important in

    A. entertainment

    B. agriculture

    C. communication

    D. transport

    (1 mark)

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11. Question 11

    1 mark

    Which of the following careers requires knowledge of Integrated Science?

    A. Accounting

    B. Medicine

    C. Journalism

    D. Law

    (1 mark)

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12. Question 12

    4 marks

    Scientists follow a set of orderly steps known as the scientific method when solving problems.

    (a) State what is meant by a hypothesis.

    (b) Give two reasons why an experiment should be repeated several times.

    (4 marks)

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13. Question 13

    2 marks

    Integrated Science is important in everyday life and in careers. State two career opportunities (jobs) that require knowledge of Integrated Science.

    (2 marks)

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14. Question 14

    3 marks

    State three components of Integrated Science as a field of study.

    (3 marks)

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15. Question 15

    3 marks

    A Grade 7 learner spills a small amount of dilute acid on the laboratory bench during an experiment. State three safety measures the learner should observe in the science laboratory to prevent or handle such accidents.

    (3 marks)

    Marking scheme

    Any three, 1 mark each: Wear protective clothing/apron and goggles; do not eat or drink in the laboratory; report any spill/accident to the teacher immediately; wash the spill area / hands with plenty of water; do not run in the laboratory; keep the working area clean and tidy; follow the teacher's instructions at all times.

16. Question 16

    1 mark

    Amina is starting Integrated Science in Grade 7 and asks her teacher what the subject combines. Which set of disciplines are integrated in this subject?

    A. Mathematics, Business and Computing

    B. History, Geography and Civics

    C. Agriculture, Nutrition and Home Care

    D. Biology, Chemistry and Physics

    (1 mark)

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17. Question 17

    1 mark

    Physics is mainly concerned with the study of

    A. energy and forces

    B. rocks and minerals

    C. chemical reactions

    D. living things

    (1 mark)

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18. Question 18

    1 mark

    Which branch of science deals with the study of matter and its properties?

    A. Botany

    B. Chemistry

    C. Astronomy

    D. Biology

    (1 mark)

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19. Question 19

    4 marks

    (a) State two career opportunities that are related to the study of Integrated Science. (2 marks)

    (b) Give two reasons why a learner should study Integrated Science. (2 marks)

    (4 marks)

    Marking scheme

    (a) Any two of: medical doctor/nurse, pharmacist, laboratory technologist, engineer, agricultural officer, environmental scientist, food scientist, meteorologist. (2 marks) (b) Any two of: it helps us understand and care for our environment; it helps us solve everyday problems (e.g. preventing disease, improving food production); it builds skills such as observing, measuring and experimenting; it prepares learners for science-related careers; it helps us make informed decisions about health and technology. (2 marks)

20. Question 20

    1 mark

    Science is important in daily life because it helps us to

    A. ignore the environment

    B. avoid using technology

    C. memorise facts only

    D. understand natural phenomena

    (1 mark)

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21. Question 21

    3 marks

    Integrated Science combines knowledge from different branches of science.

    (a) State two branches of science that are combined in Integrated Science. (2 marks)

    (b) Give one reason why it is important to learn Integrated Science. (1 mark)

    (3 marks)

    Marking scheme

    (a) Any two of: Biology; Chemistry; Physics. (1 mark each) (b) Any one valid reason, e.g. It helps us understand and explain natural phenomena around us / It helps us solve everyday problems / It prepares us for careers in science and technology / It helps us make informed decisions about health and the environment. (1 mark)

22. Question 22

    4 marks

    A Bunsen burner is a common heat source in the school laboratory.

    (a) State the use of the air hole on a Bunsen burner.

    (b) Explain why a blue flame is preferred to a yellow flame for heating.

    (4 marks)

    Marking scheme

    (a) The air hole controls the amount of air (oxygen) entering the burner, which controls the type of flame produced (2 marks). (b) The blue (non-luminous) flame is hotter and burns completely without producing soot, so it heats faster and does not blacken apparatus, whereas the yellow flame is cooler and produces soot (2 marks).

23. Question 23

    1 mark

    Which of the following is a component of Integrated Science?

    A. Geography

    B. History

    C. Chemistry

    D. Commerce

    (1 mark)

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24. Question 24

    1 mark

    A Grade 7 class is heating a liquid in a test tube over a Bunsen burner. Which of the following is the MOST appropriate safety practice while doing this?

    A. Point the mouth of the test tube away from people

    B. Hold the test tube directly in the fingers

    C. Point the mouth of the test tube towards a friend

    D. Cover the mouth of the test tube tightly with a cork

    (1 mark)

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