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Free Practice Quiz Question List

3 Conducting and Recording Experiments Online Quiz Questions

Use this free practice quiz with 20 questions to review 3 Conducting and Recording Experiments, test your knowledge, and prepare for your next test or exam.

20 questions
01
True or false
1 point

True or false: Every scientific investigation must follow the same fixed sequence of steps.

  1. A

    True

  2. B

    False

02
Choose one
1 point

A student wants to compare how much water different paper towels absorb. Which plan makes the comparison a fair test?

  1. A

    Use different-sized pieces of each towel and the same amount of water.

  2. B

    Use same-sized pieces, the same amount of water, and the same soaking time for each towel.

  3. C

    Use the same-sized pieces but vary the amount of water and soaking time for each towel.

03
Written response
1 point

In Trial 2, 20 mL of water was added and 11 mL was absorbed. How many milliliters more water was added than absorbed?

04
Fill in the blank
1 point

To avoid relying on memory afterward, record observations during an investigation.

05
Choose all
1 point

Which actions follow the safety guidance for a school investigation? Select all that apply.

  1. A

    Use only approved materials and equipment.

  2. B

    Taste a substance to identify it if its label is unclear.

  3. C

    Stop and tell the teacher if something spills, breaks, or seems unsafe.

  4. D

    Handle any substance as long as you are wearing ordinary clothing.

06
Choose one
1 point

A student notices that a plant’s leaves drooped and its soil felt dry. Which statement is an inference?

  1. A

    The plant’s leaves drooped.

  2. B

    The soil felt dry.

  3. C

    The plant may need water.

  4. D

    The soil felt dry and the leaves drooped.

07
Fill in the blank
1 point

When recording measurements, include the appropriate so the values are clear.

08
True or false
1 point

True or false: “The towel felt damp” is an observation, while “the towel absorbed a lot of water” is an interpretation.

  1. A

    True

  2. B

    False

09
Choose all
1 point

Which practices help make results from repeated trials useful for comparison? Select all that apply.

  1. A

    Repeat each test.

  2. B

    Change the measurement method from trial to trial.

  3. C

    Use the same measurement method across trials.

  4. D

    Keep only the result that best supports the expected outcome.

10
Choose one
1 point

A student wants another person to be able to repeat an investigation. Which information should the written procedure provide?

  1. A

    Write only the investigation’s question and final result.

  2. B

    List clear, ordered steps, materials, how to measure, and how many trials to make.

  3. C

    Describe the expected outcome and leave the steps for the investigator to decide.

11
Open ended
1 point

Describe a safe, repeatable plan for comparing how much water two types of paper towel absorb. Explain what conditions to keep the same, how to measure and repeat the tests, and what to record.

12
Choose one
1 point

Which question most clearly identifies a condition to change and an outcome to measure in an experiment?

  1. A

    Which paper towel is the best?

  2. B

    How does the type of paper towel affect the amount of water absorbed when size, water amount, and soaking time are held constant?

  3. C

    Why do some people prefer one paper towel over another?

13
Choose one
1 point

A student compares how much water different paper towels absorb. Which plan best makes this a fair test?

  1. A

    Use different amounts of water and different soaking times for each towel.

  2. B

    Use same-sized pieces, the same amount of water, and the same soaking time.

  3. C

    Use the same towel size but change the measuring method between tests.

  4. D

    Test each towel only once, but use the same amount of water.

14
Choose one
1 point

Why should a student repeat each test when comparing the absorbency of several paper towels?

  1. A

    They guarantee that every measurement will be identical.

  2. B

    They replace the need to keep conditions the same.

  3. C

    They help show whether a pattern is consistent or a result was unusual.

  4. D

    They prove that the investigation has no possible sources of error.

15
Choose one
1 point

A student notices that a towel feels damp during a test. When should the student record this observation?

  1. A

    Write down observations while working.

  2. B

    Wait until the next day and record what seems most important.

  3. C

    Record only results that support the expected outcome.

  4. D

    Ask another person to recall the results after the investigation.

16
Choose one
1 point

A student gets mixed results from a small number of trials. Which approach is most appropriate when writing a conclusion?

  1. A

    State that the result proves the same outcome will happen in every situation.

  2. B

    Ignore results that do not fit the most likely explanation.

  3. C

    Give a definite answer even if the evidence is limited.

  4. D

    Describe what the results support and note relevant uncertainty.

17
Written response
1 point

A student records, “The towel absorbed 12 mL of water.” Is this a qualitative or quantitative observation?

18
Written response
1 point

A student observes drooping leaves and dry soil, then writes, “The plant may need water.” What is this statement called?

19
True or false
1 point

A student changes the type of paper towel and observes how much water each type absorbs. Is this an experiment?

  1. A

    True

  2. B

    False

20
Written response
1 point

The table lists absorbed-water amounts of 1212 mL, 1111 mL, and 1212 mL. What is the total amount absorbed across the three trials? Give your answer in mL.