1. Write a brief summary of how an idea may proceed in science (the scientific method). Include an example listing the steps, in order. Clearly show the difference between a hypothesis and a theory.

2. What is a controlled experiment? In your answer, define the term ‘variable’ and describe the importance and use of controls in an experiment. Give examples.

3. List the 5 theories under which life can be understood. Write about the major statements of each theory. Include examples where appropriate.

Answer the questions throughly and fully!