The Scientific Method: Tutorial
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Analyzing an Experiment
This activity will help you meet these educational goals:
. You will develop a detailed explanation of a process using well-chosen examples.
. You will state what happens to a dependent variable when an independent variable is changed.
Directions
Read the instructions for this self-checked activity. Type in your response to each question, and check your answers. At the
end of the activity, write a brief evaluation of your work.
Activity
In this activity, you'll watch a video of an experiment that relates to climate change. The experiment compares the effects
of heat on carbon dioxide and air. Watch the video e now. Then answer the series of questions below.
Part A
In the video, the experimenter used a model to represent a phenomenon observed in the natural world. What did the
light and each of the flasks represent in this model?
An atom of sodium-23 (atomic number = 11) has a positive charge of +1. give this information, how many electrons does it have? how many proteins and neutrons does this atom have