|---|---|

| Astronomer | Solar System, Stars, Galaxies,Planets |

| Botanist | Plants and Plant Life |

| Chemist | Chemical Reactions and Properties of Matter |

| Ecologist | Ecosystems and Interaction of Organisms |

| Entomologist | Insects and Arthropods |

| Geologist | Earth's Physical Structure, Layers and Processes |

| Marine Biologist | Marine Organisms, Ecosystems, and Environments |

| Meteorologist | Weather and Atmospheric Processes |

| Microbiologist | Microorganisms and their Impact |

| Paleontologist | Fossils and Ancient Life Forms |

| Physicist | Laws and Properties of the Physical Universe |

| Zoologist | Animals and Animal Behavior |