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2023 Division C Event Descriptions

This is a list of all events available in the 2023 Science Olympiad Rules Manual.

For Regional Tournaments, we expect to hold 12-15 of these events at each location. Specific events for each tournament will be posted to the tournament page.

For the State Tournament, we attempt to hold all events.

Anatomy and Physiology
(Respiratory, Digestive, and Immune)

Participants will be assessed on their understanding of the anatomy and physiology for the human Respiratory, Digestive, and Immune systems.

(Stellar Evolution and Variability)

Teams will demonstrate an understanding of Stellar Evolution and Variability.
Bridge Teams will design and build a Bridge (Structure) meeting requirement specified in these rules to achieve the highest structural efficiency.
Cell Biology This event integrates content knowledge and process skills in the areas of cell biology and cellular biochemistry.

Chem Lab
(Oxidation/Reduction and Periodicity)

Teams will complete one or more tasks and answer a series of questions involving the science processes of chemistry focused in the areas of Oxidation/Reduction and Periodicity.
Codebusters Teams will cryptanalyze and decode encrypted messages using cryptanalysis techniques for historical and modern advanced ciphers.
Detector Building Teams will build a durable Mass/Force Sensing Device that will accurately measure and display both voltage and actual masses of different solid samples ranging from 20 to 1,000 grams.
Disease Detectives Students will use investigative skills in the scientific study of disease, injury, health and disability in populations or groups of people.
Dynamic Planet Students will use process skills to complete tasks related to Earth's fresh waters.
Environmental Chemistry This event will focus on fresh water (e.g., residential, industrial or natural), the identified pages of The Clean Water Act (1972 and 1977), wastewater operator's certification manual (Indiana March 2018 revision) and its applications, various testing of particular analytes using standardized curves (either interpreted or created), and stabilization ponds, and introduction to the National Pretreatment Program.
Experimental Design This event will determine a participant's ability to design, conduct and report the findings of an experiment entirely on-site.
Fermi Questions

Teams provide answers to a series of "Fermi Questions"; science related questions that seek fast, rough estimates of a quantity, which is either difficult or impossible to measure directly.

Flight Prior to the tournament, teams will design, construct and test free flight rubber-powered aircraft to achieve maximum time aloft.

Given a scenario and some possible suspects, students will perform a series of tests. These tests, along with other evidence or test results, will be used to solve a crime.

Forestry Participants will be assessed on their knowledge of trees found in the United States that are on the Official Science Olympiad National Tree List.
Green Generation

Students will demonstrate an understanding of general ecological principles, the history and consequences of human impact on our environment, solutions to reversing trends and sustainability concepts.

It's About Time

Teams will answer questions related to time and they may construct and bring one non-electrical device that triggers a single signal to occur three times at equally spaced time intervals.

Remote Sensing Participants will use remote sensing imagery, data, and computational process skills to complete tasks related to climate change processes in the Earth system.
Rocks and Minerals Teams will demonstrate their knowledge of rocks and minerals.

Teams design, build, and test a mechanical device, which uses the energy from a falling mass to transport an egg along a straight track as quickly as possible and stop as close to the center of a Terminal Barrier (TB) without breaking the egg.


Prior to the competition, teams will design, construct and calibrate a single device capable of launching projectiles onto a target and collect data regarding device parameters and performance.

WiFi Lab

Teams must construct an antenna device prior to the tournament that is designed to transmit a signal at 2.4GHz and complete a written test on the principles of electromagnetic wave propagation.

Write It Do It One student will write a description of an object and how to build it, and then the other student will attempt to construct the object from the description.