Search past science fair projects

CYSF · 2025

does baking soda really matter

I decided to look at baking with and withort baking soda

CYSF · 2025

Does sleep improves academic performance

This project is about putting to the test if sleep improves academic performance

CYSF · 2025

Does Temperature Affect The bounce of a Basketball

Does temperature affect the bounce of a basketball we took a basketball and we heated and made it cold. We after dropped it from 5ft 3 times

Does Temperature and Oxygenation Method in a Deep-Water Culture Hydroponic System Affect Lactuca sativa Growth?

Plant Sciences

The agricultural industry is striving to increase the world's food supply systems to meet future needs, and hydroponics can be a crucial tool in this endeavor. This study aimed to enhance th…

CYSF · 2025

Does The Size Of A Button Battery Affect The Burning In A Child's Esophagus?

This project explores how different sizes of button batteries impact the level of burning in a child’s esophagus if swallowed. It aims to understand the risks and raise awareness about batte…

CYSF · 2025

Does Washing Your Rice Really Matter? The Effects of Not Washing Rice.

This science project aims to determine whether washing rice a different number of times affects the amount of bacteria, using a microscope and petri dishes. It also examines whether the bact…

CYSF · 2025

Do Greenhouses Improve Plant Growth

Grow plants from seed in greenhouses in different environment to see how plant growth changes.

CYSF · 2025

Dogs vs human saliva. which one has the most bacteria?

Dogs and human saliva can be different so we thought we could do the project and we can see what is dirty

Don't Sweat the Small Stuff

Animal Sciences

In the 21st century, microplastics have become an increasingly common anthropogenic environmental pollutant. While the effects of microplastic contamination on many large species have been e…

Dopamine Induction Within Teen Cognitive Function: The Effects of Differing Dopamine Induction Strategies on Adolescent Working Memory and Neural Activity

Behavioral and Social Sciences

The current youth has been experiencing a decline in cognitive functioning, and many have attributed this to a Dopamine (DA) rewiring stemming from “easy” DA induction from online habits. Ho…

Dopavision: A Novel Supervised Machine Learning Model for Predicting Post-Cocaine Phasic Mesolimbic Dopamine Activity in Male C57BL/6J Mice

Computational Biology and Bioinformatics

Dysregulated dopamine in the mesolimbic system is linked to disorders like schizophrenia, depression, and addiction. Low phasic dopamine release correlates with reduced drug reward sensitivi…

CYSF · 2025

Do people working in different professions hear differently?

To test the maximum hearing frequency for professionals working in the high sound exposure professions like military, construction, manufacturing, and music industry as compared to normal so…

Do pH Levels Affect Pea Plant Growth?

Plant Sciences

My science fair project is to see how pea plants would grow to different liquids on the pH scale. In this world there are many countries with the lack of clean water or just having the abili…

CYSF · 2025

Do Traffic Controlling Measures Work in School Zones?

We will test to see if calming curbs are more effective at slowing vehicles than just having a crosswalk sign/in road pedestrian sign in school zones.

Double-Extended Reticular Framework via Localized Covalent Cross-Linking in a Mercaptoaldehydate-Based Metal-Organic Framework for Redox-Modulated Electrochemical Carbon Dioxide Reduction to Ethylene

Chemistry

Electrochemical CO2 reduction (CO2RR) has emerged as a foremost strategy for commercial-scale production of carbon-based derivatives via proton-coupled electron transfers, yet overcoming the…

CYSF · 2025

Draining Batteries.

Testing how long will it take for different batteries to lose all their energy at different temperature

CYSF · 2025

Dr. Fear

I will interview about 60 grade 6 students and see if they think their fear would be scarier if they were diagnosed with the phobia relative to that fear

CYSF · 2025

Dried fruit power! By Shyla and Everleigh

Simple yummy sour dough starters with dried fruit.

CYSF · 2025

Driving Robot

An attempt to build a remote controlled car.

Drone-Based Aerial Thermal Imaging: Novel Failure Detection Algorithms for Power Line Maintenance Utilizing Fiber Optic Communication

Engineering Technology: Statics & Dynamics

Power lines are critical components of modern infrastructure. Traditional methods of wireless drone-based maintenance are both expensive and vulnerable to electromagnetic interference emitte…

CYSF · 2025

Drone Dynamics

My project explores the aerodynamics of drones and tests the rotor speed of a drone at different flight modes to see how the rotor speed changes.

Drone Dynamometer

Robotics and Intelligent Machines

The Drone Dynamometer introduces a cost-effective real-time drone dynamometer aiming to provide reliable flight performance data while significantly reducing risks and expenses, since curren…

Drone-enabled H2S Gas Leak Detection With Geofencing for Enhanced Worker Safety

Embedded Systems

Hydrogen sulfide (H2S) is a highly toxic gas that poses a significant health hazard in oil and gas industries. Traditional H2S gas leak detection methods are often time-consuming, labor-inte…

Drone for 3D Radiation Mapping With Radioactive Source NaI-Spectroscopy Identification, and Polyurethane Decontamination & LiPo Battery Neutron-Shielding Using 5% Borated Polyethelene

Embedded Systems

Since 1993, the IAEA and UNSCEAR have reported 4,243 radioactive incidents, each caused deaths and hundreds of contamination. Therefore, surveying extensive areas during radiation leaks and…

Dual Functional Catalyst for Green Hydrogen Production

Energy: Sustainable Materials and Design

This study presents a novel approach to fabricate dual-functional catalysts with 3D hierarchical nanoarray structures for efficient urea-oxidation reaction and hydrogen evolution reaction in…

Dual-Mode Soft Gripper With Tunable Stiffness Achieving Large-Scale Robust Grasping Tasks

Embedded Systems

Soft pneumatic grippers, structures created from silicone rubber and powered by air pressure, can grasp and transfer items with remarkable stability and precision. Their light weight, flexib…

Dual-Purpose Biological Photovoltaic: Optimizing Power Output and Wastewater Treatment

Environmental Engineering

Only half of global wastewater is treated—dropping to just 4.3% in low-income countries—while treatment consumes 4% of global electricity. With the energy sector already accounting for 75% o…

CYSF · 2025

DU-eye: AI-Based Drunk Driver Detection System

Drunk drivers kill thousands every year. What if we could spot them before they cause harm?

Dye-ing to Discover: Investigating the Production of BETA-Carotene in the Yeast Rhodotorula mucilaginosa as Natural Pigments

Biomedical and Health Sciences

Beta-carotene is found in most living organisms and contributes to the red, orange, and yellow coloration in various life forms. In humans, beta-carotene is converted into vitamin A, which p…

Dynamic Aero-Adaptation: A Biomimetic Approach to Active Vehicle Wings

Engineering Technology: Statics & Dynamics

This research explores a biomimetic adaptive spoiler that dynamically adjusts individual panels to optimize vehicle aerodynamics. Inspired by bird feathers and fish fins, the spoiler consist…