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Laws vs Theories

Authored by Lisa Thompson

Science

7th Grade

NGSS covered

Laws vs Theories
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15 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Please indicate if the following statement describes a Scientific theory or scientific law: "Earth's average temperatures will continue to increase because of the deterioration of the ozone layer, allowing the sun's that were previously absorbed to reach Earth's surface."

Theory

Law

Tags

NGSS.HS-ESS2-4

NGSS.HS-ESS3-5

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Cannot be validated by a single person

Theory

Law

Both

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Often explains more related phenomena over time.

Both

Theory

Law

Tags

NGSS.HS-ESS1-2

NGSS.HS-LS4-1

NGSS.HS-LS4-2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the best definition of the term "theory," as it is used in science?

A theory is a guess or hunch about something that has occurred in nature.

A theory is a comprehensive set of ideas explaining a phenomenon in nature.

A theory is based on verifiable laws and can be proven true.

A theory is a hypothesis that uses laws and observation to make an assumption.

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The validity of scientific theories and laws depends on evidence. Which of the following statements of evidence supports a law rather than a theory?

Electrons orbit the nucleus of an atom within a certain radius.

DNA analysis reveals that a modern species is related to an extinct species.

Seafloor spreading occurs at a rate of three centimeters per year in the mid-Atlantic.

The amount of matter in a closed system is the same at the start of a reaction as at the end of the reaction.

Tags

NGSS.HS-PS1-7

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Predicts what will happen in the natural world.

Law

Theory

Tags

NGSS.HS-PS2-1

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Changes with new observations.

Theory

Law

Tags

NGSS.HS-ESS1-2

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