Science (study of drills)

• Natural science - study of nature
• Physical science - study of nonliving matter
• Physical science - study of the physical world
• Physics - study of matter, its properties, and its behavior
• Chemistry - study of matter, its composition, and the changes it undergoes
• Climatology - study of climate or longer weather patterns
• Meteorology - study of atmospheric conditions or weather
• Volcanology - study of volcanoes and their activities
• Mineralogy - study of minerals, their nature, properties, and distribution
• Astronomy - study of heavenly bodies; of anything beyond the Earth's atmosphere
• Geology - study of rocks and minerals
• Biological science - science of life
• Botany - study of plants
• Zoology - study of animals
• Morphology - study of structures and forms of organisms
• Anatomy - study of the parts or structures of organisms
• Physiology - study of normal functions of parts of an organism
• Cytology - study of structures and functions of cells
• Histology - study of tissues
• Embryology - study of growth and development of new organisms
• Ecology - study of the environment and the interrelationship of organisms in it
• Taxonomy - study of classification and naming of plants and animals
• Genetics - study of heredity or how an organism's characteristics are transmitted from parents to offsprings
• Evolution - study of the origin and differentiation of different kinds of organisms
• Paleontology - study of fossils of living things and their distribution in time
• Microbiology - study of microorganisms
• Bacteriology - study of bacteria
• Virology - study of viruses
• Protozoology - study of protozoa or one-celled animals
• Biochemistry - study of chemistry of living things
• Biogeography - study of distribution of plants and animals on earth
• Phycology - study of algae
• Hematology - study of blood and blood disorders
• Cosmology - study of the origin and structure of the universe.
• Entomology - study of insects
• Helminthology - study of (parasitic) worms
• Ichthyology - study of fish
• Ornithology - study of birds
• Mammaology - study of mammals
• Conchology - study of shells