Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

This science fair project investigates why the number of visible stars changes from place to place.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

Blend science and math to explore a very important first grade social studies question: does our planet contain more land or more water?

This science fair project idea determines the most effective method of preserving food.

This science fair project idea investigates the difference in reaction times between boys and girls.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Find out whether a longer airplane will fly farther or a wider paper airplane.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

If your science savy third grader is up for a challenge, let her bend light with a casserole dish!

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Stir up some enthusiasm for experimentation with this candy-cracking science experiment!

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

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

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

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.