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In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

The purpose of this science fair project is to investigate which food wrapping works best to keep refrigerated and non-refrigerated foods from spoiling.

Create an organic plastic product using vinegar and cream. Track decomposition over course of several weeks. Compare decomposition with traditional plastics.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

This project compares test subjects' responses to whining and other "attachment" and attention-getting sounds to determine which sounds are most distracting.

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

The goal of this science fair project was to evaluate the ElectroMagnetic Field produced by Radio Frequency Identification transmitters.

In this cool experiment, learn about the forces of resistance in a liquid and race marbles in a cylinder to find out which fluids have a high viscosity.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

This science fair project idea raises awareness of a real ecological issue.

This science fair project determines which of two chemical agents can be used to release the drug (tea) from hydrogel crystals.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

Construct and experiment with a periscope using reflected light rays to gather an image.

Illustrate the idea of light refraction with this exciting and mystifying experiment.

Check out this cool science project idea to explore how temperature creates annual rhythms that govern plant growth.

This science fair project idea explores the fastest average speed a human can talk.

Create your own light bulb and test filaments of different thicknesses to see which keeps the bulb burning for the longest time.

This science fair project compares the abilities of men and women to understand subtle communication through body language.

This science fair project idea examines various dead zones and investigates the cause and how it can be fixed.

In this science project idea learn about working of different types of smoke detectors and find out which one is the most effective for you.

Check out this fun science fair project idea to explore fun facts about fruit juices and learn why do juices turn bad in the fridge.

This science fair project idea tests whether it is true that humans are in the morning than later during the day/night.

The objective of this science fair project is to observe the properties of friction and apply this knowledge to search for a near-frictionless surface.

This fun elementary school science fair project idea helps students in designing an amusement park using their knowledge of forces and simple machines.

Study history of aerodynamics of arrow design to create a perfect arrow. Test arrows by shooting at an archery target.