11. PS.1 - Understanding Scientific Practices - Flashcards

Front

What is a variable in a scientific experiment?

Back

A factor that can change

Front

In our classroom experiment, which of the following would be considered the dependent variable: amount of sunlight, plant growth, room temperature.

Back

The growth of a plant

Front

What type of graph is best used to show the relationship between two variables?

Back

Line graph

Front

What is the first step in the scientific method?

Back

Asking a question or making an observation

Front

What is the independent variable in an experiment testing the effect of light on plant growth?

Back

The amount of light to which plants are exposed.

Front

How do you convert kilometers to meters using the metric staircase?

Back

Multiply by 1,000

Front

Which graph would best represent the distribution of a single variable, such as test scores?

Back

Histogram

Front

What is the purpose of a control group in an experiment?

Back

To serve as a standard for comparison

Front

If a hypothesis is not supported by the data, what should a scientist do next?

Back

Change the hypothesis and repeat the experiment.

Front

Which of the following best describes a scientific theory?

Back

A well-substantiated explanation of some aspect of the natural world