DDC 500: Science

The Public Library of Westland uses the Dewey Decimal Classification (DDC) System to classify our non-fiction materials. A top level overview is here. Below is a look at the 500s.

500 | 510 | 520 | 530 | 540 | 550 | 560 | 570 | 580 | 590

500: Natural sciences and mathematics

• 501: Philosophy and theory
• 502: Miscellany
• 503: Dictionaries and encyclopedias
• 504: [Unassigned]
• 505: Serial publications
• 506: Organizations and management
• 507: Education, research and related topics
• 508: Natural history
• 509: Historical, geographic and persons treatment

510: Mathematics

• 511: General principles of mathematics
• 512: Algebra
• 513: Arithmetic
• 514: Topology
• 515: Analysis
• 516: Geometry
• 517: [Unassigned]
• 518: Numerical analysis
• 519: Probabilities and applied mathematics

520: Astronomy and allied sciences

• 521: Celestial mechanics
• 522: Techniques, equipment and materials
• 523: Specific celestial bodies and phenomena
• 524: [Unassigned]
• 525: Earth (Astronomical geography)
• 526: Mathematical geography
• 527: Celestial navigation
• 528: Ephemerides
• 529: Chronology

530: Physics

• 531: Classical mechanics; solid mechanics
• 532: Fluid mechanics; liquid mechanics
• 533: Gas mechanics
• 534: Sound and related vibrations
• 535: Light and infrared and ultraviolent phenomena
• 536: Heat
• 537: Electricity and electronics
• 538: Magnetism
• 539: Modern physics

540: Chemistry and allied sciences

• 541: Physical chemistry
• 542: Techniques, equipment and materials
• 543: Analytical chemistry
• 544: [Unassigned]
• 545: [Unassigned]
• 546: Inorganic chemistry
• 547: Organic chemistry
• 548: Crystallography
• 549: Mineralogy

550: Earth sciences

• 551: Geology, hydrology and meteorology
• 552: Petrology
• 553: Economic geology
• 554: Earth Sciences of Europe
• 555: Earth Sciences of Asia
• 556: Earth Sciences of Africa
• 557: Earth Sciences of North America
• 558: Earth Sciences of South America
• 559: Earth Sciences of other areas

560: Paleontology; paleozoology

• 561: Paleobotany; fossil microorganisms
• 562: Fossil invertebrates
• 563: Fossil marine and seashore invertebrates
• 564: Fossil mollusks and molluscoids
• 565: Fossil arthropods
• 566: Fossil chordates
• 567: Fossil cold-blooded vertebrates; fossil fishes
• 568: Fossil birds
• 569: Fossil mammals

570: Life sciences; biology

• 571: Physiology and related subjects
• 572: Biochemistry
• 573: Specific physiological
• 574: [Unassigned]
• 575: Specific parts of and systems in plants
• 576: Genetics and evolution
• 577: Ecology
• 578: Natural history of organisms
• 579: Microorganisms, fungi and algae

580: Plants (Botany)

• 581: Specific topics in natural history
• 582: Plants noted for characteristics and flowers
• 583: Dictyledons
• 584: Monocotyledons
• 585: Gymnosperms; conifers
• 586: Seedless plants
• 587: Vascular seedless plants
• 588: Bryophytes
• 589: [Unassigned]

590: Animals (Zoology)

• 591: Specific topics in natural history
• 592: Invertebrates
• 593: Marine and seashore invertebrates
• 594: Mollusks and molluscoids
• 595: Arthropods
• 596: Chrodates
• 597: Cold-blooded vertebrates; fishes
• 598: Birds
• 599: Mammals

(Please note: All copyright rights in the Dewey Decimal Classification system are owned by OCLC. Dewey, Dewey Decimal Classification, DDC and WebDewey are registered trademarks of OCLC, and these schedules are reprinted here by express permission from OCLC.)