This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

Science fair project that guides you through how to test the humidity in the environment using a homemade psychrometer.

This experiment researches if you gave different amounts of food to mosquito larvae would they grow faster or slower

Determine if each hemisphere specializes in dealing with specific functions. Include illustrations of the brain, it hemispheres.

Leave your computer on 24/7. Will this lead to to more frequent crashes, freezes, and a slower processing speed? Find out in this science fair project idea.

Science fair project in which you will create your electricity by making a homemade battery using salt water, a nail, and a copper wire.

This science fair project idea quantifies the effect of weather- in this case temperature and humidity- on musical instruments.

This experiment will evaluate how texting and talking on cell phones influence reaction time.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Science fair project which examines how stopping a tomato's ripening process using the enzyme ethylene effects the tomato plant and its reproduction cycle.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

Kids make strong bubbles to investigate the effect different additives have on bubble life in this cool science fair project idea.

Science fair project that examines the biodiversity of ant populations in various locations.

Science fair project in which you will graft branches from different fruit tree onto a root stalk.

Science fair project that studies how perfumes are made in order to determine how we can capture a scent.

Assess physical and mental states of subject before and after drinking coffee. Compare initial expectations with their reported conditions.

This science fair project idea examines reptile behavior and to determine whether reptiles are more active during warmer temperatures.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Learn about the Atwood Machine and Newton's 2nd Law with a pulley and masses of different weights in this physics science project.

The goal of this science fair project was to examine how different angles of decline affect the tipping point of a vehicle.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

This science project examines the thermal properties of several major greenhouse gases.

Help your child explore chromatography, which is the process of separating colors or pigments, and create a neat art project in the process!

Explore the electrical energy present in energy drinks.

In this experiment, you will find out how human error can cause faults in any science task. This includes experiments conducted by famous scientists also.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.