Vocabulary from Module 5, from Apologia's High School Biology Course Exploring Creation With Biology, by Dr. Jay Wile and Marilyn F. Durnell (2nd edition). There is also a crossword puzzle with these vocabulary words at e-learninglinks.com.
61423366 | Matter | Anything that has mass and takes up space | 0 | |
61423367 | Model | An explanation or representation of something that cannot be seen | 1 | |
61423368 | Element | A collection of atoms that all have the same number of protons | 2 | |
61423369 | Molecules | Chemicals that result from atoms linking together | 3 | |
61423370 | Physical change | A change that affects the appearance but not the chemical makeup of a substance | 4 | |
61423371 | Chemical change | A change that alters the makeup of the elements or molecules of a substance | 5 | |
61423372 | Phase | One of three forms- solid, liquid, or gas- which every substance is capable of attaining | 6 | |
61423373 | Diffusion | The random motion of molecules from an area of high concentration to an area of low concentration | 7 | |
61423374 | Concentration | A measurement of how much solute exists within a certain volume of solvent | 8 | |
61423375 | Semipermeable membrane | A membrane that allows some molecules to pass through but does not allow other molecules pass through | 9 | |
61423376 | Osmosis | The tendency of a solvent to travel across a semipermeable membrane into areas of higher solute concentration | 10 | |
61423377 | Catalyst | A substance that alters the speed of a chemical reaction but is not used up in the process | 11 | |
61423378 | Organic molecule | A molecule that contains only carbon and any of the following: hydrogen, oxygen, nitrogen, sulfer, and/or phosphorous | 12 | |
61423379 | Biosynthesis | The process by which living organisms produce larger molecules from smaller ones | 13 | |
61423380 | Isomers | Two different molecules that have the same chemical formula | 14 | |
61423381 | Monosaccharides | Simple carbohydrates that contain 3 to 10 atoms | 15 | |
61423382 | Disaccharides | Carbohydrates that are made up of two monosaccharides | 16 | |
61423383 | Polysaccharides | Carbohydrates that are made up of more than two monosaccharides | 17 | |
61423384 | Dehydration Reaction | A chemical reaction in which molecules combine by moving water | 18 | |
61423385 | Hydrolysis | Breaking down complex molecules by the chemical addition of water | 19 | |
61423386 | Hydrophobic | Lacking any affinity to water | 20 | |
61423387 | Saturated fat | A lipid made from fatty acids that have no double bonds between carbon atoms | 21 | |
61423388 | Unsaturated fat | A lipid made from fatty acids that have at least one double bond between carbon atoms | 22 | |
61423389 | Peptide bond | A bond that links amino acids together in a protein | 23 | |
61423390 | Hydrogen bond | A strong attraction between hydrogen atoms and certain other atoms (usually oxygen or nitrogen) in specific molecules | 24 |