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Investigating the Effects of Automotive Fluids on the Hatching Rate of African Dwarf Frog Eggs

CSEF · 2010 Toxicology (Junior Division Only)

Tori C. Nishimoto · Washington Academic Middle School, Sanger, Fresno County

Overview

Objectives/Goals I wanted to determine which automotive fluids are the most and least harmful to our environment. Methods/Materials Three African Dwarf frog eggs were placed into each compartment of a silicone ice cube making tray containing 15 slots. Each ice cube tray had 45 frog eggs that were each exposed to an automotive fluid. Each ice cube tray contained a different automotive fluid. I recorded the hatching rate of each pollutant. Results Zero percent of the frog eggs exposed to the used antifreeze hatched. The eggs in the unused antifreeze also had a hatching rate of zero. The unused motor oil had the highest hatching rate at about 49% out of all the pollutants I tested. Conclusions/Discussion All automotive pollutants,if not properly disposed, can be very harmful to our environment.

Summary statement

All automotive pollutants are harmful to our environment, so we need to make sure we properly dispose of them.

Help received

Parents helped put board together and make revisions; retired science teacher helped get frog eggs for me

Competition history

  • CSEF 2010 Toxicology (Junior Division Only) · Entry J2316

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