1.1 What Is Science Answer Key Biology

Question: What science is and what it is not

Answer: Science is not rigid; it is always changing and facts are open to testing, discussion, and revision.

Question: Science as a way of knowing

Answer: Science is an organized way of gathering and analyzing evidence about the natural world. It also refers to the body of knowledge itself. Features that specify science include only dealing with the natural world, collecting and analyzing data, and explanations based on evidence, not belief.

Question: Goals of Science

Answer: Universe is composed of parts and processes that interact, and these interactions are governed by natural laws, as is everything. Greek philosophers aimed to explain the world in processes they could study.

Question: Science, Change, and Uncertainty

Answer: We know an enormous amount of scientific knowledge, but most still remains a mystery because science is always changing. Discoveries raise more questions than they answer, and science continues to advance. We have to understand both what we do and do not know bc science rarely proves anything.

Question: Scientific Methodology: Heart of science

Answer: We use scientific thinking in everyday life. It is a general style of investigation.

Question: Scientific Method

Answer: Observations

Hypothesis and inferences

Experiments (controlled)

Data (collection)

conclusion

Question: Observing and asking Questions

Answer: Observation is the act of noticing and describing events in a careful orderly way. Questions that have never been asked before.

Question: Inferring and Forming a hypothesis

Answer: Use observations to make inferences, logical explanations based on previous knowledge. These lead to hypotheses, scientific explanation for a set of observations that can be tested in ways that support or reject it.

Question: Designing a controlled experiment

Answer: Testing a hypothesis with a controlled experiment with changing experiments. A controlled experiment is one where only one variable is changed

Question: Controlling variables

Answer: Results would be unclear if more than one variable changed. An independent variable is deliberately changed, and a dependent variable changes as a result.