click below
click below
Normal Size Small Size show me how
Vocab 1.3-1.5
chapter 1 vocabulary
| Term | Definition |
|---|---|
| observation | the process of obtaining information by using the senses; the information obtained by it |
| data | observations and measurements recorded during an experiment |
| hypothesis | a testable idea or explanation that leads to scientific investigation |
| experiment | a procedure that is carried out under controlled conditions to discover, demonstrate, or test a fact, theory, or general truth |
| independent variable | condition or factor that is manipulated by a scientist during an experiment |
| dependent variable | experimental data collected through observation and measurement |
| constant | condition that is controlled so that it doesn't change during an experiment |
| theory | a system of ideas that explains many related observations and is supported by a large body of evidence acquired through scientific investigation |
| measurement | a determination of the dimensions of something using a standard unit |
| accuracy | a description of how close a measurement is to the true value of the quantity measured |
| precision | the exactness of a measurement |
| microscope | tool that provides an enlarged image of an object |
| gene | the most basic physical unit of heredity; a segment of nucleic acids that codes for a functional unit of RNA and/or a protein |
| molecular genetics | study of DNA structure and function on the molecular level |
| genomics | the study of entire genomes, especially by using the technology to compare genes within and between species |
| biotechnology | use and application of living things and biological processes |
| transgenic | organism whose genome has been altered to contain one or more genes from another organism or species |