In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

Have fun with bubbles and find out why there are bubbles in your tap water in this cool science fair project idea.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

Test whether spot magnets can help improve the symptoms of an injury.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

In this science fair project, young children notice and track changes in trees throughout the year.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

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!

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

The purpose of this science fair project is to build a basic radio.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

Free science fair project idea examining how different types of water affect plant germination and growth.

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

In this experiment we will be determining whether birds prefer certain colors of seed.

This science fair project idea investigates whether rocks containing geodes can be determined from the outside.

Ethanol can be used as an alternative fuel! The purpose of this experiment is to identify a starch plant that produces the largest quantity of ethanol.

Examine the effect of pressure on carbonation in soda.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

Discover whether cold or hot water from the faucet will boil faster on the stove.

Discover the interactions of synthetic dyes and natural dyes on natural and artificially-made fabrics.

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

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

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

Scavenger Hunt! Check out this fun science fair project idea to explore the difference between opaque, translucent, and transparent objects around your house.

This science fair project idea studies past and current fads and trends.

.Have you ever had problems with your wifi signal strength? In this experiment you will learn about how wireless signals pass through the air and solid objects.

Research fruits and their ripening stages, follow and document the different stages. Analyze what causes fruit to continue ripening after being picked.

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

Examine the impact of insecticides on plant growth.