Experimental Design & Variables

Front

What step does every scientific experiment begin with?

Back

question/problem

Front

What is an if....then... statement that predicts the outcome of an experiment?

Back

Hypothesis

Front

Identify the independent variable: If I water the plant more often, then it will grow taller. Options: The height of the plant, The size of the pot, The amount of water, The amount of light.

Back

The amount of water

Front

Dependent variable in: If I water the plant more often, then it will grow taller.

Back

The height of the plant.

Front

Identify the variable that is not controlled when watering a plant more often to make it grow taller. Options: The amount of soil, The pot size, The type of plant, The amount of water.

Back

The amount of water.

Front

When writing your hypothesis, what information follows IF?

Back

independent variable

Front

The summary at the end of an experiment that explains the results.

Back

conclusion

Front

What is the effect of salt water on the growth of grass? The above question is an example of: Hypothesis, Conclusion, Experiment, Problem/Question

Back

Problem/Question

Front

A possible explanation for a set of testable observations, an educated guess.

Back

hypothesis

Front

What you change in an experiment...

Back

Independent variable