The study of earth science is very easy to understand. It is very possible to get confused when studying for a test. The right thing to do is to be calm, meet someone who can put you through in areas you don't understand and also take you time in using different methods of comphenesion.
Earth science is known to be the study of the structure or the form of the Earth along with its properties and its processes. Knowing this will help you known more about maintenance of life on our planet.
Most times when people have test, they often have tension and other kinds of things that tends to make them not to focus on their studies. But you don't have to worry. Be calm, ask a much older and learned person for help in areas you do not understand and read it over again.
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