Terms : Hide Images
| 2046491267 | compound | a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight | 0 | |
| 2046491941 | atom | Smallest particle of an element | 1 | |
| 2046492247 | matter | Anything that has mass and occupies space. | 2 | |
| 2046493505 | element | A pure substance made of only one kind of atom | 3 | |
| 2046503768 | energy | Is the ability to do work | 4 | |
| 2046504270 | neutron | A subatomic particle that has no charge and that is found in the nucleus of an atom | 5 | |
| 2046504847 | proton | A subatomic particle that has a positive charge and that is found in the nucleus of an atom | 6 | |
| 2046505314 | electron | A subatomic particle that has a negative charge | 7 | |
| 2046505795 | molecule | the simplest structural unit of an element or compound | 8 | |
| 2046506499 | organic compound | Compounds that contain carbon | 9 | |
| 2046509757 | inorganic compound | Compounds that do not contain carbon | 10 | |
| 2046511990 | carbohydrates | Broken down to simple sugars | 11 | |
| 2046513117 | lipids | Fats | 12 | |
| 2046514675 | proteins | an organic compound containing the elements of carbon, hydrogen, oxygen, nitrogen and most times, phosphorus and sulphur | 13 | |
| 2046516081 | intracellular | Within a cell or cells. | 14 | |
| 2046520730 | subatomic particles | Particles found within the atom, mainly protons, neutrons, and electrons. | 15 | |
| 2046541739 | extracellular | The chemical substances located between connective tissue cells | 16 | |
| 2046651039 | Calcium | Ca | 17 | |
| 2046654457 | Carbon | C | 18 | |
| 2046655432 | Chlorine | Cl | 19 | |
| 2046658044 | Hydrogen | H | 20 | |
| 2046659206 | Iodine | I | 21 | |
| 2046660619 | Iron | Fe | 22 | |
| 2046664510 | Magnesium | Mg | 23 | |
| 2046666026 | Nitrogen | N | 24 | |
| 2046667287 | Oxygen | O | 25 | |
| 2046669285 | Phosphorus | P | 26 | |
| 2046671385 | Potassium | K | 27 | |
| 2046672647 | Sodium | Na | 28 | |
| 2046673480 | Zinc | Zn | 29 | |
| 2046702827 | electrolytes | electrically charged particles that help determine the fluid and acid base balance | 30 | |
| 2046708940 | DNA | A,T,G,C | 31 | |
| 2046711896 | RNA | A,U,G,C | 32 | |
| 2046714047 | isotopes | Atoms of the same element that have different numbers of neutrons. | 33 | |
| 2046715544 | ion | A particle that is electrically charged (positive or negative) | 34 | |
| 2046717061 | hydrogen bond | explains most specifically the attraction of water molecules to one another through negative oxygen atoms and positive hydrogen atoms | 35 | |
| 2046739338 | covalent bond | A chemical bond that involves sharing a pair of electrons between atoms in a molecule | 36 | |
| 2046743449 | ionic bond | Formed when one or more electrons are transferred from one atom to another | 37 | |
| 2046748255 | pH scale | measurement system used to indicate the concentration of hydrogen ions (H+) in solution; ranges from 0 to 14 | 38 | |
| 2046795391 | acids | compounds that form hydrogen ions when dissolved in water ionize into positive charged hydrogen (H1) and negatively charged ions of some element; yields hydrogen | 39 | |
| 2046812336 | base | compound that produces hydroxide ions (OH-) in a solution and positively charged ions of metal when dissolved in water; bitter taste; Litmus paper testing | 40 | |
| 2047599514 | mitosis | cells dividing into two new cells; the usual process of cell reproduction of human tissues. | 41 | |
| 2047599515 | meiosis | cell division of gametes or cells; reduces the number of chromosomes; growth and maintenance | 42 | |
| 2052136958 | osmosis | passage of fluid through a membrane | 43 | |
| 2052152905 | filtration | movement of water and particles across a semipermeable membrane by a mechanical force such as blood pressure | 44 |
