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theory

You got 7 of 9 possible points.

Your score was: 78 %

Question Results

Score 1 of 3

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

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

Response:

	a set of claims based on evidence
	a set of principles that explain something
	a set of assumptions
	a set of questions
	Feedback: A theory is a set of assumptions, claims or principles that give possible answers to a set of questions. Good questions lead to a theory, until enough evidence either supports the theory or leads to a new theory.

Score 3 of 3

Question:

Multiple choice question

The examples below illustrate the meaning of theory.


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

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

Response:

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

Score 3 of 3

Question:

Multiple choice question


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