Scientific Inquiry

Question 1

Huan wants to enter the science fair at his school. He has a list of ideas for his project. Which questions could be answered through scientific investigation? Check all that apply.Does pressure have an effect on the volume of a gas?Which physicist was the smartest?Is the information on the periodic table difficult to understand?Which brand of soap is the best for cleaning grease off dishes?Which laboratory experiment is the most fun to perform?

Revolt · Accepted Answer

Does pressure have an effect on the volume of a gas?; Which brand of soap is the best for cleaning grease off dishes?

Question 2

Which points did you include in your response? Check all that apply.

Revolt · Accepted Answer

Descriptive investigations are based on observations made at a single point in time.; The results of descriptive investigations may vary at different points in time.; Descriptive investigations do not contain variables that may indicate cause-and-effect relationships.

Question 3

Use the drop-down menus to match each part of the scenario to the correct scientific practice.

Revolt · Accepted Answer

✔ collecting data; Akira records the speed of a reaction, first without a catalyst, and then with a catalyst.: collecting data; Akira creates a reaction without a catalyst, then repeats the reaction with a catalyst.: performing an investigation; Akira turns in a written lab report to his science teacher.: communicating results; Akira wonders, "Will adding a catalyst speed up this chemical reaction?": asking a question; Akira writes in his notes that adding a catalyst sped up the chemical reaction because the catalyst lowered the activation energy needed to start the reaction.: providing explanations

Question 4

asking a question✔ performing an investigationcollecting dataproviding explanationscommunicating results

Revolt · Accepted Answer

✔ performing an investigation

Question 5

asking a questionperforming an investigationcollecting dataproviding explanations✔ communicating results

Revolt · Accepted Answer

✔ communicating results

Question 6

✔ asking a questionperforming an investigationcollecting dataproviding explanationscommunicating results

Revolt · Accepted Answer

✔ asking a question

Question 7

asking a questionperforming an investigationcollecting data✔ providing explanationscommunicating results

Revolt · Accepted Answer

✔ providing explanations

Question 8

descriptivecomparative✔ experimental

Revolt · Accepted Answer

✔ experimental

Question 9

A teacher gives students four liquids commonly found in the kitchen - vinegar, apple juice, dish detergent, and milk - and pH indicator strips, which measure acidity. The teacher asks the students to put the liquids in order from most acidic to most basic.

Revolt · Accepted Answer

✔ comparative; What type of investigation could the students conduct to determine the correct order for the liquids?: comparative; The type of liquid is the.: independent variable; The pH is the.: dependent variable

Question 10

✔ independent variabledependent variablecontrol group

Revolt · Accepted Answer

✔ independent variable

Scientific Inquiry Answers

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