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

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

Help your child create a working lung model that fills with air just like the lungs inside of his own chest when he breathes.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

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.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

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

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

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

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

This science experiment tests if dog saliva can really help heal wounds.

In this activity your child will create their very own marble maze!

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.