Scientific Method: Variables and Controls

Another word for prediction or educated guess is: ________________

• hypothesis

• conclusion

• experiment

• data

The information you record in an experiment is called your ____________.

• data

• conclusions

• notebook

• inquiry

What is an inference?

• An observation

• Conclusions or deductions based on observation

• A safety rule

• The unit of measurement for mass

The variable the is changed on purpose is..

• Constant

• Control

• Independent Variable

• Dependent Variable

The variable that is being tested, counted, or measured and is responding to the independent variable is known as 

• Control

• Constant

• Independent Variable

• Dependent Variable

The variable the is changed on purpose is..

• Constant

• Control

• Independent Variable

• Dependent Variable

What is a constant/control in an experiment?

• Things that do not change in a experiment. It's the variable that stays the same. You can have many variables stay the same.

• It's the variables that the scientist changes in the experiment

• It's the variables that are being measured in an experiment

What is the DEPENDENT variable (effect) in this experiment?

"Does eating breakfast improve test scores?"

• eating breakfast or not

• the grade you got on the test

• what time you get up in the morning

• how tasty the breakfast is

You are testing how the amount you water a plant affects its growth. What would be the INDEPENDENT VARIABLE in this experiment.

• They type of pot you put the plants in.

• The amount you water each plant.

• The amount of sunlight the plants get.

• The amount the plant grows.

An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is ...

• The type of plant

• The amount of sunlight

• The type of music

• The type of liquid