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Chemistry test
Chapter 1 review
Question | Answer |
---|---|
Define science | is a system of knowledge and the methods you use to find that knowledge |
Science and technology depend on each other- | advances in one lead to advances in the other |
technology | is the use of knowledge to solve practical problems |
Natural science is divided into 3 branches: | physical science, Earth & space science, and life science |
Physical science has 2 main branches: | chemistry & physics |
chemistry | the study of composition, structure, properties & reactions of matter |
physics | the study of matter & energy, and the interactions between the two through forces & motion |
The foundation of earth science is | geology |
geology | the study of the origin, history & structure of Earth |
Astronomy is the.. | the foundation of space science |
astronomy | the study of the universe beyond Earth |
biology | the study of living things |
scientific method | an organized plan for gathering, organizing and communicating information |
The goal of any sci method is to | solve a problem or to better understand an observed event |
scientific theory | a well tested explanation for a set of observations or experimental results |
scientific law | a statement that summarizes a pattern found in nature |
model | a representation of an object or event |