Scientific Method

What is the first step in the scientific method?

• experimentation

• hypothesis

• problem or purpose

• research

An experiment or problem is valid only if it

• is answerable

• is solvable

• can be tested

• may be answered by a yes or no

The chronological steps in the scientific method are

• ask question, make hypothesis, experiment, conclusion

• questions, observation , conclusion, hypothesis

• communicated, testing , conclusion, hypothesis

• analysis, hypothesis, conclusion, problem

What is the rule when creating a hypothesis?

• it should be based on previous knowledge or observation

• based on the solution to the problem

• written after experiment is completed

• written in if and then statement

An independent variable is the

• changed or modified

• observed variable

• controlled

• measured

The control variable is

• is manipulated

• is observed

• does not change

• is concluded

How many controls should there be in an experiment?

• 1

• all but the dependent variable should be controlled

• as many as you want

• the same number as independent variable

Can you leave out data when doing your analysis and drawing your conclusion?

• yes

• no

The most common tool that we use is the

• beaker

• cylinder

• watch glass

• balance

Which instrument is used to measure volume?

• beaker

• flask

• graduated cylinder

• erlenmeyer flask