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Scientific Enquiry

Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.

Planning and Lab Safety

Subtopic

Planning and Lab Safety under Scientific Enquiry for Grade 7 IGCSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Before starting an experiment, why should you read the entire method through?

    A.

    To finish the work faster

    B.

    To understand the risks and the steps involved

    C.

    To memorize the names of all the equipment

    D.

    To see how many pages it is

  2. 2.

    Which piece of equipment is used to support a test tube vertically during an experiment?

    A.

    A test tube rack

    B.

    A tripod

    C.

    A beaker

    D.

    A Bunsen burner

  3. 3.

    A student concludes that 'salt dissolves faster in hot water than in cold water'. What part of the scientific method is this?

    A.

    Hypothesis

    B.

    Conclusion

    C.

    Method

    D.

    Observation

Download the worksheet for Scientific Enquiry - Planning and Lab Safety to practice offline. It includes additional chapter-level practice questions.

Observation and Measurement

Subtopic

Observation and Measurement under Scientific Enquiry for Grade 7 IGCSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Why is it important to record results immediately during an experiment?

    A.

    To finish the work faster

    B.

    So the data is not forgotten or recorded incorrectly

    C.

    Because the teacher says so

    D.

    To keep the notebook clean

  2. 2.

    What is the safest way to check the smell of a chemical in a test tube?

    A.

    Place your nose directly over the tube and inhale deeply

    B.

    Waft the vapors toward your nose with your hand

    C.

    Ask a friend to smell it for you

    D.

    Boil the liquid first to increase the smell

  3. 3.

    Which of the following units is exactly the same volume as 1 cubic centimeter1\ cubic\ centimeter (1 cm31\ cm^3)?

    A.

    1 liter1\ liter

    B.

    1 milliliter1\ milliliter

    C.

    1 gram1\ gram

    D.

    1 meter1\ meter

Download the worksheet for Scientific Enquiry - Observation and Measurement to practice offline. It includes additional chapter-level practice questions.

Data Analysis and Graphs

Subtopic

Data Analysis and Graphs under Scientific Enquiry for Grade 7 IGCSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Which of these pieces of equipment would you use to measure exactly 50 cm350\text{ cm}^3 of water?

    A.

    A beaker

    B.

    A test tube

    C.

    A measuring cylinder

    D.

    A thermometer

  2. 2.

    If a student uses a ruler to measure a line and gets 5.1 cm5.1\text{ cm}, 5.2 cm5.2\text{ cm}, and 5.1 cm5.1\text{ cm}, how would you describe these results?

    A.

    Anomalous

    B.

    Consistent

    C.

    Incorrect

    D.

    Qualitative

  3. 3.

    What information should always be included in the title of a graph?

    A.

    The name of the scientist

    B.

    The date the experiment was done

    C.

    Both the independent and dependent variables

    D.

    The color of the equipment used

Download the worksheet for Scientific Enquiry - Data Analysis and Graphs to practice offline. It includes additional chapter-level practice questions.

Evaluation and Conclusions

Subtopic

Evaluation and Conclusions under Scientific Enquiry for Grade 7 IGCSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    A student concludes: 'The more water given to the plant, the taller it grows, up to a certain point.' What does 'up to a certain point' suggest?

    A.

    The plant died after getting too much water

    B.

    The results were always the same

    C.

    The relationship changed after a specific amount of water

    D.

    The student stopped measuring the plant

  2. 2.

    Why should scientists share their evaluations and conclusions with others?

    A.

    To allow others to check the work and build on the findings

    B.

    To prevent other scientists from doing experiments

    C.

    Because it is a legal requirement in every country

    D.

    To keep the results a secret from the public

  3. 3.

    What does a horizontal line on a distance-time graph conclude about the object's motion?

    A.

    The object is moving at a constant speed

    B.

    The object is accelerating

    C.

    The object is stationary (not moving)

    D.

    The object is moving backward

Download the worksheet for Scientific Enquiry - Evaluation and Conclusions to practice offline. It includes additional chapter-level practice questions.

Scientific Enquiry - Grade 7 Science (IGCSE) | Krit.club