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Chs_Biology_1

Definitions from Unit 1.

QuestionAnswer
1. Observation the process of obtaining information by using the senses; the information obtained by using the senses.
2. Hypothesis a testable idea or explanation that leads to scientific investigation.
3. Prediction a statement made in advance that expresses the results that will be obtained from testing a hypothesis if the hypothesis is supported; the expected outcome if a hypothesis is accurate.
4. Experiment a procedure that is carried out under controlled conditions to discover, demonstrate, or test a fact, theory, or general truth.
5. Atom the smallest unit of an element that maintains the chemical properties of that element.
6. Molecule a group of atoms that are held together by chemical forces; a molecule is the smallest unit of matter that can exist by itself and retain all of a substance's chemical properties.
7. Organelle one of the small bodies that are found in the cytoplasm of a cell and that are specialized to perform a specific function.
8. Cell in biology, the smallest unit that can perform all life processes; cells are covered by a membrane and contain DNA and cytoplasm.
9. Tissue a group of similar cells that perform a common function.
10. Organ a collection of tissues that carry out a specialized function of the body.
11. Organ system a group of organs that work together to perform body functions.
12. Organism a living thing; anything that can carry out life processes independently.
13. Control group in an experiment, a group that serves as a standard of comparison with another group to which the control group is identical except for one factor.
14. Controlled experiment an experiment that tests only one factor at a time by using a comparison of a control group with an experimental group.
15. Dependent variable in an experiment, the factor that changes as a result of manipulation of one or more other factors (the independent variables).
16. Independent variable in an experiment, the factor that is deliberately manipulated.
17. Sampling the act or process of selecting a sample for testing, analyzing, etc.
18. Theory a system of ideas that explains many related observations and is supported by a large body of evidence acquired through scientific investigation.
19. Inference a conclusion that is based on facts but that is not the direct and absolute result of those facts.
20. Qualitative pertaining to or concerned with quality or qualities.
21. Quantitative of or pertaining to the describing or measuring of quantity.
1. Bios life.
2. Ge, geo earth.
3. A, an no, not.
4. Logy, ology study.
5. Scrib, script write.
6. Vita life.
7. Metabole changing.
8. Organon an organ.
9. Ex, e in; out of, from.
10. Cyto cell.
11. Cent one hundred.
12. Deca ten.
13. Giga billion.
14. Graph writing, record, written.
15. Kilo thousand.
16. Mega great, large, million.
17. Nano One billionth.
18. Pico One millionth.
Created by: Conmiro
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