Science

Definition

Science is a systematic approach to understanding the natural world through observation and experimentation. It relies on evidence-based methods to develop theories and laws.

5 Must Know Facts For Your Next Test

1. The scientific method involves making observations, forming hypotheses, conducting experiments, and drawing conclusions.
2. In astronomy, science helps us understand celestial objects and phenomena through telescopic observations and theoretical models.
3. Scientific theories in astronomy must be testable and falsifiable to be considered valid.
4. Peer review is an essential part of the scientific process, ensuring that research findings are credible and reliable.
5. Astronomy has evolved from ancient practices of stargazing into a modern science using advanced technology like space telescopes and satellites.

Review Questions

• What are the key steps in the scientific method?
• How does science contribute to our understanding of the universe?
• Why is peer review important in scientific research?

Related terms

Hypothesis: A proposed explanation made on the basis of limited evidence as a starting point for further investigation.

Theory: A well-substantiated explanation of some aspect of the natural world that is based on a body of evidence.

Observation: The active acquisition of information from a primary source, typically used as the first step in the scientific method.