Terms : Hide Images
| 14748605514 | Element | A substance that cannot be broken down into simpler substances | 0 | |
| 14748605515 | Compounds | a thing that is composed of two or more separate elements; a mixture. | 1 | |
| 14748605516 | Molecules | Groups of two or more atoms held together by chemical bonds | 2 | |
| 14748605517 | Atoms | Basic unit of matter (smallest) | 3 | |
| 14748605518 | Ions | Charged atoms ( positive and negative) | 4 | |
| 14748605519 | Nucleus | Center of an atom | 5 | |
| 14748605520 | Protons | Positively charged particles | 6 | |
| 14748605521 | Electrons | Negatively charged particles | 7 | |
| 14748605522 | Nuetrons | no charge | 8 | |
| 14748605523 | organic compounds | Compounds that contain carbon | 9 | |
| 14748605524 | inorganic compounds | Compounds that do not contain carbon | 10 | |
| 14748605525 | natural selection | the principle that, among the range of inherited trait variations, those contributing to reproduction and survival will most likely be passed on to succeeding generations | 11 | |
| 14748605565 | synthetic | 12 | ||
| 14748605526 | electromagnetic radiation | a form of energy that exhibits wavelike behavior as it travels through space | 13 | |
| 14748605527 | Energy | the ability to do work | 14 | |
| 14748605528 | Matter | Anything that has mass and takes up space | 15 | |
| 14748605529 | kinetic energy | energy of motion | 16 | |
| 14748605530 | potential energy | stored energy | 17 | |
| 14748605531 | radioactive decay | The breakdown of a radioactive element, releasing particles and energy | 18 | |
| 14748605532 | half-life | length of time required for half of the radioactive atoms in a sample to decay | 19 | |
| 14748605533 | Law of Conservation of Matter | matter cannot be created or destroyed | 20 | |
| 14748605534 | 1st law of thermodynamics | Energy cannot be created or destroyed | 21 | |
| 14748605535 | 2nd law of thermodynamics | Every energy transfer or transformation increases the entropy of the universe. | 22 | |
| 14748605536 | Entropy | A measure of disorder or randomness. | 23 | |
| 14748605537 | Metabolism | All of the chemical reactions that occur within an organism | 24 | |
| 14748605538 | Mutation | A change in a gene or chromosome. | 25 | |
| 14748605539 | Orgnaism | Any living thing | 26 | |
| 14748605540 | Species | A group of similar organisms that can breed and produce fertile offspring. | 27 | |
| 14748605541 | Population | A group of individuals that belong to the same species and live in the same area | 28 | |
| 14748605542 | Community | All the different populations that live together in an area | 29 | |
| 14748605543 | Autotroph | An organism that makes its own food | 30 | |
| 14748605544 | Heterotroph | An organism that cannot make its own food. | 31 | |
| 14748605545 | Photosynthesis | Conversion of light energy from the sun into chemical energy. | 32 | |
| 14748605546 | cellular respiration | Process that releases energy by breaking down glucose and other food molecules in the presence of oxygen | 33 | |
| 14748605547 | Aerobic | Process that requires oxygen | 34 | |
| 14748605548 | Anaerobic | Process that does not require oxygen | 35 | |
| 14748605549 | Adaptation | A trait that helps an organism survive and reproduce | 36 | |
| 14748605550 | Trait | A characteristic that an organism can pass on to its offspring through its genes. | 37 | |
| 14748605551 | Gene | A segment of DNA on a chromosome that codes for a specific trait | 38 | |
| 14748605552 | Chromosones | threadlike structures contain genetic information passes through cells | 39 | |
| 14748605553 | gene pool | Combined genetic information of all the members of a particular population | 40 | |
| 14748605554 | Evolution | Change over time | 41 | |
| 14748605555 | Extinction | A term that typically describes a species that no longer has any known living individuals. | 42 | |
| 14748605556 | Core | Center of the earth | 43 | |
| 14748605557 | Mantle | the layer of the earth between the crust and the core | 44 | |
| 14748605558 | Crust | Earth's outermost layer. | 45 | |
| 14748605559 | fault | A break in the earth's crust | 46 | |
| 14748605560 | Weathering | The breaking down of rocks and other materials on the Earth's surface. | 47 | |
| 14748605561 | Erosion | Processes by which rock, sand, and soil are broken down and carried away (i.e. weathering, glaciation) | 48 | |
| 14748605562 | Rocks | made up of one or more minerals | 49 | |
| 14748605563 | Minerals | A solid inorganic substance of natural occurrence. | 50 |
