Science variables and scientific method

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A hypothesis is ...

An educated guess

Which of these is not a step of the scientific method?

Analogy

When completing an experiment you are testing your hypothesis. What are the three kinds of variables that you need to identify I your experiments?

Dependent control independent

What do you do to test a hypothesis

Design an experiment

A control group is used as a comparison to the group where variables are changing

False

Experiments often test multiple independent variables

False

What are the steps of the scientific method in order from fist to last

Problem research hypothesis experiment analysis conclusion

If your results do not support your hypothesis you should

Repeat the experiment

The scientific method is a process for experimentation that is used to explore observations and answer questions. What is the first step in completing the scientific method

State a problem

A scientist testing the effects of a cemical on apple yeild sprays an orchard with the chemical. A second orchard does not receive the chemical. In the fall, the number of apples harvested from each forest is counted. Which of the following is the independent variable in the experiment?

The chemical

What is a controlled variable

The variable that stays the same

A dependent variable is a factor influenced by changes made to the independent variable

True


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