Scientific Concepts Quiz

What is a scientific law?

• A hypothesis that has been tested

• A theory that explains everything

• A statement based on repeated experimental observations

• A model of a system

What is a theory in science?

• A guess without evidence

• A well-substantiated explanation of some aspect of the natural world

• A single experiment

• A law that cannot be changed

Do theories stay the same or change over time?

• They always stay the same

• They change many times

• They never change

• They are always incorrect

If a hypothesis is disproved, what should a scientist do next?

• Publish the incorrect hypothesis

• Ignore the new evidence

• Revisit and alter the hypothesis and retest

• Stop the research

Tags

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What is the second step of the scientific method?

• Make an observation

• Test the hypothesis

• Make an educated guess (hypothesis) about the answer

• Publish the results

What is the third step of the scientific method?

• Test the hypothesis

• Make an observation

• Publish the results

• Create a theory

What is a control in an experiment?

• A variable that is changed

• A standard for comparison

• A random guess

• A proven fact

What is the purpose of testing a hypothesis?

• To prove a theory

• To gather data and evidence

• To publish results

• To create a model

What is the role of a model in science?

• To provide a detailed experiment

• To represent an object or system

• To prove a hypothesis

• To create a law

Tags

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

• To be measured

• To be manipulated

• To remain constant

• To be ignored