Chapter 1 Test Flashcards
(3 cards)
1.1 What is Science?
-Science is a process—an organized way of observing and asking questions about the natural world. The goal of science is to provide natural and testable explanations for events in the natural world. Science also aims to use these explanations to make useful predictions about natural events.
-Scientific methodology involves observing and asking questions, forming hypotheses, conducting controlled experiments, collecting and analyzing data, and drawing conclusions.
-In science, the word theory applies to a tested, highly-reliable scientific explanation of events in the natural world that unifies many repeated observations and incorporates durable, well-supported hypotheses that enable scientists to make accurate predictions.
1.2 Science in Context
-Often the testing of ideas in science begins with observations and questions. Curiosity, skepticism, open-mindedness, and creativity help scientists and engineers ask new questions and define new problems.
-Once ideas are identified, scientists often work in groups to collaborate and communicate. Publishing articles in peer-reviewed scientific journals allows researchers to share ideas. It also allows other scientists to evaluate and test the data and analysis.
-Scientists, engineers, and scientific information interact with society, economy, laws, and moral principles. Applying scientific information involves understanding the role of science context in society and its limitations.
-Although some of the specifics vary, the steps in scientific inquiry and engineering design are basically the same.
Lesson 1.3
Living things are made up of basic units called cells, are based on a universal genetic code, obtain and use materials and energy, grow and develop, reproduce, respond to their environment, maintain a stable internal environment, and change over time.
The study of biology revolves around several crosscutting concepts: cause and effect; systems and system models; stability and change; patterns; scale, proportion, and quantity; energy and matter; and structure and function.
Biology includes many overlapping fields that use different tools to study life from the molecular level to the planetary level.
Scientists use the metric system when collecting data and performing experiments.
