| Term | Definition |
|---|
| experiment | the act of conducting a controlled test or investigation |
| theory | a well-substantiated explanation of some aspect of the natural world |
| natural law | an explanation to a naturla phenomenon |
| hypothesis | a proposal intended to explain certain facts or observations |
| control | the comparison group in an experiment |
| independent variable | the experimental factor that is manipulated; the variable whose effect is being studied |
| scientific method | a method of investigation involving observation and theory to test scientific hypotheses |
| descriptive data | Data in the form of words |
| quantitative data | numerical data |
| organic | chemical compounds having a carbon basis (carbohydrates, proteins, lipids, nucleic acids) |
| proton | positively charged particle |
| neutron | neutral particle of an atom |
| nucleus of atom | contains protons and neutrons |
| chemical compound | (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion (CO2) |
| polymer | large molecule formed when many smaller molecules bond together |
| carbon | the element that is the chemical basis for all life on earth, can make 4 bonds |
| amino acid | basic building blocks of protein molecules |
| hydrolysis | water is used to break down a polymer |
| dehydration (condensation) | when monomers are joined and a water molecule is released |
| enzyme | specialized proteins that speed up chemical reactions |
| isomer | compounds with the same chemical formula but different arrangements of atoms |
| Carbohydrate | compound made up of carbon, hydrogen, and oxygen atoms; major source of energy for the human body |
| monosaccharide | single sugar molecule |
| polysaccharide | long polymer chain made up of simple sugar monomers |
Combine with other sets
Share on Facebook
Share on MySpace