Scientific Method Test

What is a hypothesis in an experiment to see how temperature changes affect the volumes of 3 gases?

• The change in volume of each gas

• I think that the volume of each gas will increase as the temperature increases.

• The change in temperatures at which each gas will be measured.

• A quantitative measurement

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is the term for the variable that is deliberately changed in an experiment?

• Independent variable

• Extraneous variable

• Confounding variable

• Experimental group

Tags

NGSS.MS-PS3-4

What is the correct order of the scientific method?

• Make an observation, Form a hypothesis, Conduct the experiment, Analyze the data, Form a conclusion, Report your results

• Form a hypothesis, Make an observation, Conduct the experiment, Report your results, Analyze the data, Form a conclusion

• Conduct the experiment, Make an observation, Form a hypothesis, Analyze the data, Form a conclusion, Report your results

• Make an observation, Conduct the experiment, Form a hypothesis, Analyze the data, Form a conclusion, Report your results

Tags

NGSS.MS-PS2-2

Choose 3 factors that the student must keep constant during a properly designed experiment testing the reaction of different acids on rock samples containing calcium carbonate.

• Type of acid, concentration of acid, amount of acid solution

• Temperature, type of rock samples, amount of acid solution

• Concentration of acid in solutions, type of rock samples, amount of acid solution

• Type of acid, temperature, type of rock samples

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

What is the purpose of repeating experiments?

• To test a different hypothesis each time

• To give validity and reliability to the test results

• To use up all the materials

• To change the experimental group

What is a hypothesis?

• A fact that has been proven

• An observation during an experiment

• A prediction that can be tested by experimentation

• The outcome of an experiment

What are the two types of variables in an experiment?

• Control variable and outcome variable

• Dependent variable and independent variable

• Experimental variable and constant variable

• Hypothesis variable and theory variable

What is the role of a control group in an experiment?

• To receive a different treatment than the experimental group

• To receive the same treatment as the experimental group

• To not receive any treatment and serve as a baseline for comparison

• To determine the hypothesis

A scientist collects data that is numerical, such as the amount of water vapor in the air. What is this type of data called?

• Observation

• Experimental

• Descriptive

• Quantitative

In an experiment to determine which type of acid would react with rock samples containing calcium carbonate, what could serve as a possible control group?

• Rocks which do not contain calcium carbonate.

• Independent variable

• Quantitative

• A set of rock samples not treated with any acid.