1.2 The Scientific Method

Place the following steps of the scientific method in the correct order. 1. Hypothesis becomes theory. 2. Curiosity leads to observations. 3. Experiment is performed and results are consistent with 4. prediction. 5. Hypothesis is created. 6. Additional testing is conducted and it supports hypothesis. a.) 5, 4, 1, 2, 3 b.) 2, 4, 3, 5, 1 c.) 3, 5, 2, 1, 4 d.) 4, 2, 3, 5, 1

b.) 2, 4, 3, 5, 1

True or false: In science, a theory is best defined as "a well-supported, comprehensive, and testable explanation of an aspect of the natural world."

True

Which of the following statements is true? a.) Theories attempt to explain observations. b.) Laws are briefer theories. c.) Observations generally do not support theories d.) Laws attempt to explain hypotheses.

a.) Theories attempt to explain observations.

A scientific theory is best described as: a.) a comprehensive, substantiated, and testable explanation of how nature works b.) a guess that a person makes c.) a summary of a vast number of experimental observations d.) a testable prediction to answer a specific question

a.) a comprehensive, substantiated, and testable explanation of how nature works

Which of these is a part of the symbolic domain of chemistry? a.) a pie chart b.) a piece of paper c.) a carbon nanotube d.) a vaccine

a.) a pie chart

A tentative explanation of observations that acts as a guide for gathering and checking information is called a: a.) hypothesis b.) law c.) theory d.) scientific method

a.) hypothesis

A pattern that has been established based on verified experimental data that describes an observation but does not provide an explanation as to the reason why said observation occurs is a _________. a.) law b.) theory c.) hypothesis d.) none of the above

a.) law

When we measure a mass on a laboratory scale, we are working in the ___________ domain. a.) macroscopic b.) microscopic c.) symbolic d.) none of the above

a.) macroscopic

Which of the following best describes a scientific theory? a.) A theory is a proposed explanation for observed phenomena and can be used as a starting point for further investigation. b.) A theory is a comprehensive explanation for observed phenomena, and is generally backed up by many scientific experiments. c.) A theory is a statement that describes observed phenomenon, but provides little to no explanation as to the cause of such phenomena. d.) None of the above.

b.) A theory is a comprehensive explanation for observed phenomena, and is generally backed up by many scientific experiments.

Characterize the following statement: If you drink coffee before going to bed, it will take longer to fall asleep. a.) observation b.) hypothesis c.) theory d.) law

b.) hypothesis

A statement that summarizes a vast number of experimental observations without providing a satisfactory and comprehensive explanation is called a: a.) hypothesis b.) law c.) theory d.) scientific method

b.) law

A body of water is part of which domain? a.) microscopic b.) macroscopic c.) symbolic

b.) macroscopic

What is conducted in order to test the validity of a hypothesis? a.) a theory b.) statistical analysis c.) an experiment d.) all of the above

c.) an experiment

The _________domain refers to everyday things that are large enough to be sensed directly. a.) symbolic b.) electric c.) macroscopic d.) microscopic

c.) macroscopic

A well-substantiated, comprehensive, testable explanation of a particular aspect of nature is called a(n): a.) observation b.) hypothesis c.) theory d.) law

c.) theory

Characterize the following statement: All life on earth evolved by natural selection from a common ancestor. a.) observation b.) hypothesis c.) theory d.) law

c.) theory

If a hypothesis is shown to be accurate after multiple tests, then: a.) it becomes a law b.) it will never be proven incorrect c.) there is still a chance that it could be proven wrong d.) no additional observations can be made

c.) there is still a chance that it could be proven wrong

A hypothesis that provides an in depth explanation for a particular phenomenon and has been subjected to rigorous testing and validating to become accepted by scientists is known as which of the following? a.) a law b.) a constant c.) a fact d.) a theory

d.) a theory

A proposed and testable explanation for an observation is known as a: a.) theory b.) variable c.) law d.) hypothesis

d.) hypothesis

Which best characterizes the following statement: Energy is never created nor destroyed. a.) observation b.) hypothesis c.) theory d.) law

d.) law