| A | B |
|---|
| Matter- | Anything that has mass and takes up space |
| Model- | An explanation or representation of something that cannot be seen |
| Element | All atoms that contain the same number of protons |
| Molecules | Chemicals that result from atoms linking together |
| Physical change | A change that affects the appearance but not the chemical makeup of a substance |
| Chemical Change- | A change that alters the makeup of the elements or molecules of a substance |
| Phase | One of three forms- solid, liquid or gas- which every substance is capable of attaining |
| Diffusion | The random motion of molecules from an area of high concentration to an area of low concentration |
| Dehydration Reaction | A chemical reaction in witch molecules combine by ejecting water |
| Hydrolysis | Breaking down complex molecules by the chemicals addition of water |
| Hydrophobic | Leaking any affinity water |
| Saturated fat | A liquid from fatty acids that have no double bonds between carbon atoms |
| Unsaturated fat | A liquid from fatty acids that have at least one double bond between carbon atoms. |
| Peptide bond | a bond that links amino acids together in a protein. |
| Hydrogen bond | a strong attraction between hydrogen atoms and certain other atoms. |
| Polysacchardies | carbohydrates that are made up of several monosaccharides. |
| Disacchardies | Carbohydrates that are made up of 2 different monosaccharides. |
| Monosaccharides- | Simple carbohydrates that contain 3 – 10 carbon atoms. |
| Isomers- | 2 different molecules that have the same chemical formula. |
| Biosynthesis | The process by which living organisms produce molecules |
| Concentration- | A measurement of how much substance exists within a certain volume. |
| Semipermeable membrane | A membrane that allows some molecules to pass through but doesn’t allow others. |
| Osmosis- | The tendency of a solvent to travel across a semipermeable membrane into areas of higher solute concentration. |
| Catalyst- | A substance that alters the speed of a chemical reaction but doesn’t get used up in the process. |
| Organic molecule- | A molecule that contains only carbon and any of the following: hydrogen, oxygen, nitrogen, sulfur, or phosphorous |
