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Chemistry Test 1 & 2
Term | Definition |
---|---|
Creation Mandate | Reveals why God made humans |
Dominion Science | Scientific activity that exercises dominion for the glory of God and the benefit of other humans |
Scientific Models | Are simplified representations that characterize a system or explain a phenomenon |
Presuppositions | Ideas that a person assumes to be true without proof |
Bias | Scientist's presuppositions affect his interpretation of scientific phenomena by causing him to prefer certain conclusions over other conclusions |
Christian Worldview | Based on the teachings of the Christian Scriptures |
Chemisrty | The study of matter and the changes that it undergoes |
Matter | Anything that takes up space and has mass |
Science | The total collection of knowledge gained through the systematic observation of nature |
Applied Science | Explores natural products and processes for specific applications |
Pure Science | Probes nature simply to learn new thing about the universe we live in |
Quantitative Data | Describes observations using numerical data |
Qualitative Data | Describes observations using nonnumerical data |
Controlled Experiment | Only one condition is varied at a time to isolate and measure its effect on the outcome |
Theory | Scientists has discovered and tested some idea which consistently explains a certain phenomenon |
Scientific Law | A statement which describes observations made under many different conditions as a recognizable, repeating pattern in nature |
Scientific Method | One specific process within scientific inquiry that uses a general, inductive approach to discover information about our universe |
Physical Properties | A material determined by how the particles that compose the material relate to one another |
Density | The amount of matter packed into a given volume |
Malleability | The ability of a substance to be hammered easily into shapes or thin sheets |
Ductility | The ability of a substance to be drawn into long thin wires |
Chemical Properties | Describes how matter acts in the presence of other material or how it changes composition when sufficient energy is added to it |
Physical Changes | Changes that occur in a material without changing the identity of materials |
Pure Substances | Consists of only one type of matter |
Mixture | A material that can be separated into two or more pure substances by physical changes |
Heterogeneous Mixture | Appear to consist of two or more materials segregated into distinct regions, called phases |
Homogeneous Mixture | Appear the same throughout and have on phase |