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theory

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Question:

Multiple choice question

A theory is a set of claims and assumptions which are based on evidence - facts, measurements, experiments and observations.

The purpose of a theory is to help us understand, explain and predict something.

For example:

Our theory is that the chemical reaction did not occur because the chemicals heated up too much when the researchers left them in the sun.


	a set of principles that explain something
	a set of questions
	a set of claims based on evidence
	a set of assumptions

Which 3 answers are closest in meaning to theory? Choose the 3 correct answers.

Response:

	a set of questions
	a set of assumptions
	a set of claims based on evidence
	a set of principles that explain something

Score 3 of 3

Question:

Multiple choice question

The examples below illustrate the meaning of theory.


	why some people behave violently
	the boiling point of water
	how children learn
	how the world began

Which examples are things for which people have different theories? Choose the 3 correct answers.

Response:

	how the world began
	the boiling point of water
	how children learn
	why some people behave violently

Score 3 of 3

Question:

Multiple choice question


	a system of principles which helps us understand something
	a fact which has been proven
	a set of ideas about how variables are related
	a network of assumptions to explain how something works

Which answers below best describe the meaning of theory? Choose the 3 correct answers.

Response:

	a system of principles which helps us understand something
	a network of assumptions to explain how something works
	a set of ideas about how variables are related
	a fact which has been proven