This science research project challenges students to think of more effective lobster farming methods.

This science project allows students to study the psychology of happiness.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

This science fair project idea explores how length affects the weight a bridge can hold.

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

This science fair project idea explores the different properties & interactions of sugar molecules.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

Word color association is just a fancy way to talk about the way we connect colors with words.

This science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

This project investigates the affect of storage temperature on microwave popcorn.

This science fair project idea explores whether talking to a plant will help it grow.

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

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

In this project, different childproof containers are tested to see how childproof they really are.

Find out whether matte or shiny nail polish lasts longer.

This science fair project idea explores which fruit molds the fastest.

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

Explore if planting seeds in a certain direction will affect how fast it germinates.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

This science fair project idea examines which type of insulation holds in the most heat.