What is another word for hypothesis?

How many variables should be tested at one time in a scientific investigation?

A scientist using scientific methods would NOT

What should you be sure to do to stay safe when performing science activities?

Information from which a conclusion can be drawn or a prediction can be made are called

For a scientific conclusion to be valid, what must it be based on?

A valid scientific investigation must be able to be

A scientific conclusion is based on

Which of these are appropriate reference materials?

Why should scientists not base investigations on opinions?

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