This science fair project idea examines whether people can decode scrambled messages.

Using scherenschnitte, your science-savvy second grader will be able to create and display each part of a vegetable!

Science fair project that compares the properties of different fabrics to determine whether natural or synthetic fabrics are better at wicking away moisture.

Create a double-slit interference out of cardboard. Produce an interference pattern that demonstrates the wave and particle characteristics of light.

Observe trends in the properties of writing materials over past 5000 years and extrapolate to future time. Prepare a table that compares writing material.

This science project is to discover which Black Walnut tree tissue contains the most concentrated amount of Juglone, a substance that works like an herbicide.

Compare animal and plant fats and observe, and record, and draw conclusions about their similarities and differences.

Science fair project that determines the correlation between the ability of selected materials to conduct heat and a material's density.

Science fair project that evaluates how well clothing fabrics block UV radiation by examining the properties of different fabrics.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

This science fair project compares the allelopathic chemical produced by the Black Walnut tree to a commercial herbicide in stopping the growth of a shrub.

This science fair idea project identifies the active ingredients in soap and experiments with the properties of soap.

The objective of this science fair project is to assess the benefits of the game system for improving player performance following use.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

Salmonella and E.coli are common food contaminates. This experiment measures the time it takes for E.coli and Salmonella to reach hazardous levels in fish.

Compare ability of selected materials to block UV-A radiation. Shine black light though glass at detecting beads underneath. Note color intensity.

Determine if âdouble dippingâ chips really spreads more germs than dipping only once per chip.

This project investigates several commercially decaffeinated tea types (black, green, oolong, white) for the presence of detectable traces of caffeine.

This science fair project idea determines what household items are good conductors of electricity.

Free science fair project idea that measures change in flexibility with age, using a variety of flexibility tests like Sit & Reach.

This science fair project idea focuses on the production of oxygen by plants during the photosynthesis process.

This project involves the programming and development of a 3D Rubik's Cube application using C++.

The objective of this science fair project is to understand the effects of multitasking on the quality of work that is produced.

This project examines the amount of saltwater required to affect the growth of plants and subsequent effects on growth and development.

The project determines determine if a sports drink affects the heart rate of a student athlete during exercise.

In this science fair project caffeine will be extracted from Gunpowder Green Tea, illustrating the isolation of a naturally occurring product from a plant.

The objective of this science fair project is to examine the cleanliness of salad preparation techniques.

Examine the influence of the phase of the moon on moisture capillarity in garden soil. Measure and record the depth at which water is first detected.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.